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DUKDuke Energy

Utilities · Electric & Gas Utilities · NYSE
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Earnings releases

Latest results release: Nov 5, 2026

8-K item 2.02, exhibit 99
Latest releaseRead ↓
Nov 5, 2026
Media Contact: Gillian Moore
Releases kept
13
13 documents, oldest Nov 2, 2023
Adjusted EPS against GAAPEach quarter ↓
+4%
$1.43 adjusted, $1.38 GAAP, Aug 4, 2026

What DUK's management wrote with each quarter's results: the press release and, when the company files them, its prepared remarks or the call transcript. The call itself is not filed with SEC, so most quarters have the release only.

In the company's own words

Adjusted vs GAAP earnings per share

Each release

In its release of 2026-08-04, DUK reported $1.38 per share under GAAP and $1.43 on its own adjusted basis: the adjusted number is +4% above GAAP.

The company's words, latest release
News Release Media Contact: Gillian Moore 24-Hour: 800.559.3853 Analyst Contact: Mike Switzer Office: 704.382.6473 August 4, 2026 Duke Energy reports second-quarter 2026 financial results ▪ Second-quarter 2026 reported EPS of $1.38 and adjusted EPS of $1.43 release

What the company says its adjusted numbers leave out:

Adjusted EPS excludes the impact of certain items that are included in reported EPS. release Nov 5, 2026

Both numbers are read from the words of each release (usually the highlights), never computed by us; hover a number for its sentence. Quarters where the release gives them only in a table are not shown. The company decides what "adjusted" leaves out; the full reconciliation is in the release.

Read and search

Every release, in full

Linked to sec.gov
Press release Nov 5, 2026 · EX-99.1

Media Contact: Gillian Moore

Open on SEC ↗

▪ Company narrows 2026 adjusted EPS guidance range to $6.70 to $6.80; strong year-to-date performance positions company to deliver results near the top end

▪ Executing record generation build to add 16 gigawatts of capacity by 2031, supporting customer value, economic growth and reliable service

CHARLOTTE, N.C. – Duke Energy (NYSE: DUK) today announced third-quarter 2026 reported EPS, prepared in accordance with Generally Accepted Accounting Principles (GAAP), and adjusted EPS of $1.99. This is compared to reported and adjusted EPS of $1.81 for the third quarter of 2025. Adjusted EPS excludes the impact of certain items that are included in reported EPS.

Higher third-quarter 2026 adjusted results were driven by recovery of infrastructure investments to reliably serve customers in our growing jurisdictions and favorable weather. These items were partially offset by higher depreciation on a growing asset base, impacts from minority interest investments, higher interest expense, and a higher effective tax rate.

The company is narrowing its 2026 adjusted EPS guidance range to $6.70 to $6.80 and reaffirming its long-term adjusted EPS growth rate of 5% to 7% through 2030 off the 2025 guidance range midpoint of $6.30, with confidence to earn in the top half of the range beginning in 2028. Management does not forecast reported GAAP EPS and related long-term growth rates.

“We delivered strong results through the first three quarters of the year, reflecting disciplined execution as we continue investing in the reliable service our customers depend on while keeping costs as low as possible,” said Harry Sideris, Duke Energy president and chief executive officer. “The growth across our states creates a significant opportunity, and our focus is on making sure that growth benefits everyone – protecting existing customers, strengthening reliability and supporting the communities we serve. We are well positioned to deliver on our 2026 priorities and create lasting value for our customers, communities and shareholders.” 1 Duke Energy News Release 2

In addition to the following summary of third-quarter 2026 business segment performance, comprehensive tables with detailed EPS drivers for the third quarter compared to prior year are provided at the end of this news release.

The discussion below of third-quarter results includes both GAAP segment income and adjusted segment income, which is a non-GAAP financial measure. The tables at the end of this news release present a full reconciliation of GAAP reported results to adjusted results.

On a reported basis and adjusted basis, Electric Utilities and Infrastructure recognized third-quarter 2026 segment income of $1,817 million, compared to segment income of $1,658 million in the third quarter of 2025. This represents an increase of $0.20 per share. Higher quarterly results were primarily driven by recovery of infrastructure investments to reliably serve customers in our growing jurisdictions and favorable weather, partially offset by higher depreciation on a growing asset base, impacts from minority interest investments, and higher interest expense.

On a reported and adjusted basis, Gas Utilities and Infrastructure recognized third-quarter 2026 segment loss of $19 million, compared to segment loss of $26 million in the third quarter of 2025. This represents an increase of $0.01 per share. Higher quarterly results were primarily driven by lower O&M expense.

Other primarily includes interest expense on holding company debt, other unallocated corporate costs and results from Duke Energy’s captive insurance company.

On a reported and adjusted basis, Other recognized a third-quarter 2026 segment loss of $247 million, compared to segment loss of $225 million in the third quarter of 2025. This represents a decrease of $0.03 per share. Lower quarterly results were primarily driven by higher captive claims and lower returns on investments.

Duke Energy's consolidated reported effective tax rate for the third quarter of 2026 was 15.3% compared to 10.8% in the third quarter of 2025. The increase in the reported effective tax rate was primarily due to a decrease in the amortization of excess deferred income taxes.

Duke Energy's consolidated adjusted effective tax rate was 15.5% for the third quarter of 2026 compared to 10.8% in the third quarter of 2025. The increase in the adjusted effective tax rate was primarily due to a decrease in the amortization of excess deferred income taxes.

The tables at the end of this news release present a reconciliation of the reported effective tax rate to the adjusted effective tax rate. 2 Duke Energy News Release 3

An earnings conference call for analysts is scheduled at 10 a.m. ET today to discuss third-quarter 2026 financial results and other business and financial updates. The conference call will be hosted by Harry Sideris, president and chief executive officer, and Brian Savoy, executive vice president and chief financial officer.

The call can be accessed via the investors' section (duke-energy.com/investors) of Duke Energy’s website or by dialing 833.461.5787 in the U.S. or 585.542.9983 outside the U.S. The confirmation code is 463805206. Please call in 10 to 15 minutes prior to the scheduled start time.

Management evaluates financial performance in part based on non-GAAP financial measures, including adjusted earnings, adjusted EPS and adjusted effective tax rate. Adjusted earnings and adjusted EPS represent income (loss) from continuing operations available to Duke Energy Corporation common stockholders in dollar and basic per share amounts, adjusted for the dollar and per share impact of special items. The adjusted effective tax rate is calculated using pretax earnings and income tax expense, both adjusted to include the impact of noncontrolling interests and preferred dividends and to exclude the impact of special items. Special items represent certain charges and credits, which management believes are not indicative of Duke Energy's ongoing performance. There were no special items included in the periods presented.

Management uses these non-GAAP financial measures for planning, forecasting, and to report financial results to the Board of Directors, employees, and stockholders, as well as analysts and investors. The most directly comparable GAAP measures for adjusted earnings, adjusted EPS and the adjusted effective tax rate are Net Income (Loss) Available to Duke Energy Corporation common stockholders (GAAP reported earnings (loss)), Basic earnings (loss) per share Available to Duke Energy Corporation common stockholders (GAAP reported earnings (loss) per share), and the reported effective tax rate, respectively.

Due to the forward-looking nature of forecasted adjusted EPS and related growth rates, the information to reconcile those amounts to the most directly comparable GAAP financial measure is not available, as management is unable to project special items, such as legal settlements, impacts of regulatory orders or asset impairments, for future periods. 3 Duke Energy News Release 4 Management evaluates segment performance based on segment income and other net loss. Segment income and other net loss are defined as income (loss) from continuing operations net of income attributable to noncontrolling interests and preferred stock dividends. Segment income and other net loss include intercompany revenues and expenses that are eliminated in the Condensed Consolidated Financial Statements. Management also uses adjusted segment income and adjusted other net loss as measures of historical and anticipated future segment performance. Adjusted segment income and adjusted other net loss are non-GAAP financial measures, as they represent segment income and other net loss adjusted for special items, as discussed above. Management believes the presentation of adjusted segment income and adjusted other net loss provide useful information to investors, as they provide additional relevant comparison of a segment’s or Other's performance across periods. The most directly comparable GAAP measures for adjusted segment income and adjusted other net loss are segment income and other net loss.

Due to the forward-looking nature of forecasted adjusted segment income and forecasted adjusted other net loss and related growth rates, the information to reconcile these amounts to the most directly comparable GAAP financial measures are not available, as management is unable to project special items, as discussed above.

Duke Energy’s adjusted earnings, adjusted EPS, adjusted effective tax rate, adjusted segment income, and adjusted other net loss may not be comparable to similarly titled measures of another company because other companies may not calculate the measures in the same manner.

Duke Energy (NYSE: DUK), a Fortune 150 company headquartered in Charlotte, N.C., is one of America’s largest energy holding companies. The company's electric utilities serve 8.7 million customers in North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky, and collectively own 55,700 megawatts of energy capacity. Its natural gas utilities serve 1.6 million customers in North Carolina, South Carolina, Ohio and Kentucky.

Duke Energy is executing an energy modernization strategy, keeping customer value at the forefront as it invests in electric grid upgrades and efficient generation resources to strengthen the system and serve growing energy needs.

More information is available at duke-energy.com. Follow Duke Energy on X, LinkedIn, Instagram, TikTok and Facebook for stories about the people and innovations powering its communities.

This document includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are based on management’s beliefs and assumptions and can often be identified by terms and phrases that include “anticipate,” “believe,” “intend,” “estimate,” “expect,” “continue,” “should,” “could,” “may,” “plan,” “project,” “predict,” “will,” “potential,” “forecast,” “target,” “guidance,” “outlook” or other similar terminology. Various factors may cause actual results to be materially different than the suggested outcomes within forward-looking statements; accordingly, there is no assurance that such results will be realized. These factors include, but are not limited to: 4 Duke Energy News Release 5 ◦ The ability to implement our business strategy, including meeting forecasted load growth demand, grid and fleet modernization objectives, and reducing carbon emissions, while balancing customer reliability and keeping costs as low as possible for our customers;

◦ State, federal and foreign legislative and regulatory initiatives, including costs of compliance with existing and future environmental requirements and/or uncertainty of applicability or changes to such legislative and regulatory initiatives, including those related to climate change, as well as rulings that affect cost and investment recovery or have an impact on rate structures or market prices;

◦ The extent and timing of costs and liabilities to comply with federal and state laws, regulations and legal requirements related to coal ash remediation, including amounts for required closure of certain ash impoundments, are uncertain and difficult to estimate;

◦ The ability to timely recover eligible costs, including amounts associated with coal ash impoundment retirement obligations, asset retirement and construction costs related to carbon emissions reductions, and costs related to significant weather events, particularly in periods of heightened customer affordability concerns, bill volatility or public and political scrutiny, and to earn an adequate return on investment through rate case proceedings and the regulatory process;

◦ The costs associated with life extension, power uprate projects, fuel-cycle extensions or decommissioning nuclear facilities could prove to be more extensive than amounts estimated and all costs may not be fully recoverable through the regulatory process;

◦ The impact of extraordinary external events, such as a global pandemic, trade wars or military conflict, and their collateral consequences, including the disruption of global supply chains or the economic activity in our service territories;

◦ Costs and effects of legal and administrative proceedings, settlements, investigations and claims;

◦ Industrial, commercial and residential decline in service territories or customer bases resulting from sustained downturns of the economy, storm damage, reduced customer usage due to cost pressures from inflation, tariffs, or fuel costs, worsening economic health of our service territories, reductions in customer usage patterns, or lower than anticipated load growth, particularly if usage of electricity by data centers is less than currently projected, energy efficiency efforts, natural gas building and appliance electrification, and use of alternative energy sources, such as self-generation and distributed generation technologies;

◦ Federal and state regulations, laws and other efforts designed to promote and expand the use of energy efficiency measures, natural gas electrification, and distributed generation technologies, such as private solar and battery storage, in Duke Energy service territories could result in a reduced number of customers, excess generation resources as well as stranded costs;

◦ Additional competition in electric and natural gas markets, municipalization and continued industry consolidation;

◦ The influence of weather and other natural phenomena on operations, financial position, and cash flows, including the economic, operational and other effects of severe storms, hurricanes, droughts, earthquakes and tornadoes, including extreme weather associated with climate change;

◦ Changing or conflicting investor, customer and other stakeholder expectations and demands, particularly regarding environmental, social and governance matters and costs related thereto;

◦ The ability to successfully operate electric generating facilities and deliver electricity to customers, including direct or indirect effects to the Company resulting from an incident that affects the United States electric grid or generating resources;

◦ Operational interruptions to our natural gas distribution and transmission activities;

◦ The availability of adequate interstate pipeline transportation capacity and natural gas supply;

◦ The impact on facilities and business from a terrorist or other attack, war, vandalism, cybersecurity threats, data security breaches, operational events, information technology failures or other catastrophic events, such as severe storms, fires, explosions, pandemic health events or other similar occurrences;

◦ The inherent risks associated with the operation of nuclear facilities, including environmental, health, safety, regulatory and financial risks, including the financial stability of third-party service providers; 5 Duke Energy News Release 6 ◦ The timing and extent of changes in commodity prices, including any impact from increased tariffs, export controls and interest rates, and the ability to timely recover such costs through the regulatory process, where appropriate, and their impact on liquidity positions and the value of underlying assets;

◦ The results of financing efforts, including the ability to obtain financing on favorable terms, which can be affected by various factors, including credit ratings, interest rate fluctuations, compliance with debt covenants and conditions, an individual utility’s generation portfolio, and general market and economic conditions;

◦ Credit ratings of the Duke Energy Registrants may be different from what is expected;

◦ Declines in the market prices of equity and fixed-income securities and resultant cash funding requirements for defined benefit pension plans, other post-retirement benefit plans and nuclear decommissioning trust funds;

◦ Construction and development risks associated with the completion of the Duke Energy Registrants’ capital investment projects, including risks related to financing, timing and receipt of necessary regulatory approvals, obtaining and complying with terms of permits, meeting construction budgets and schedules, obtaining sufficient skilled labor and satisfying operating and environmental performance standards, as well as the ability to recover costs from customers in a timely manner, or at all;

◦ Changes in rules for regional transmission organizations, including changes in rate designs and new and evolving capacity markets, and risks related to obligations created by the default of other participants;

◦ The ability to obtain adequate insurance at acceptable costs and recover on claims made;

◦ Employee workforce factors, including the potential inability to attract and retain key personnel;

◦ The ability of subsidiaries to pay dividends or distributions to Duke Energy Corporation holding company (the Parent);

◦ The performance of projects undertaken by our businesses and the success of efforts to invest in and develop new opportunities;

◦ The effect of accounting and reporting pronouncements issued periodically by accounting standard-setting bodies and the SEC;

◦ The impact of United States tax legislation to our financial condition, results of operations or cash flows and our credit ratings;

◦ The impacts from potential impairments of goodwill or investment carrying values;

◦ Asset or business acquisitions and dispositions may not be consummated or yield the anticipated benefits, which could adversely affect our financial condition, credit metrics or ability to execute strategic and capital plans;

◦ The (i) failure to realize the anticipated benefits, synergies and value creation expected from the utility combination by which Duke Energy Progress will merge into Duke Energy Carolinas (the Combination), including as a result of difficulties or delays in integrating the contributed assets and operations and/or the incurring of significant costs in connection with the Combination; and (ii) the risk that the combined entity may not perform as expected following the consummation of the Combination due to unforeseen liabilities, its level of indebtedness, integration challenges, market conditions, ratings downgrades or other factors beyond the control of the parties; and

◦ The actions of activist shareholders could disrupt our operations, impact our ability to execute on our business strategy, or cause fluctuations in the trading price of our common stock.

Additional risks and uncertainties are identified and discussed in the Duke Energy Registrants' reports filed with the SEC and available at the SEC's website at sec.gov. In light of these risks, uncertainties and assumptions, the events described in the forward-looking statements might not occur or might occur to a different extent or at a different time than described. Forward- looking statements speak only as of the date they are made and the Duke Energy Registrants expressly disclaim an obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. 6

– Duke Energy Carolinas and Duke Energy Progress recorded a total of $248 million pretax within Operations, maintenance and other, Impairment of assets and other charges, and Operating Revenues on the Condensed Consolidated Statements of Operations due to certain legal settlements, as well as regulatory settlements related to the Duke Energy Carolinas' and Duke Energy Progress' North Carolina rate cases and establishment of a regulatory liability associated with an energy efficiency program. Segment income amount for these matters is net of a $59 million tax benefit.

– Net of $196 million tax expense, which includes the impact of nondeductible goodwill related to the sale of Piedmont's Tennessee business.

• $368 million recorded within Gains on Sales of Other Assets and Other, net, and $7 million recorded within Property and other taxes on the Condensed Consolidated Statements of Operations related to the sale of Piedmont's Tennessee business.

• $6 million recorded within Gains on Sales of Other Assets and Other, net on the Condensed Consolidated Statements of Operations related to the sale of certain renewable natural gas investments.

– Recorded in Income (Loss) from Discontinued Operations, net of tax, on the Condensed Consolidated Statements of Operations.

– Recorded in Income (Loss) from Discontinued Operations, net of tax, on the Condensed Consolidated Statements of Operations.

(b) Electric Utilities and Infrastructure includes higher grid modernization riders and transmission revenues (+$0.03), North Carolina Power Bill Reduction Act (SB266) impacts (+$0.02), and the DEI Generation Cost Tracker (+$0.01).

(c) Electric Utilities and Infrastructure includes impacts from DEP North Carolina Year 3 rates, effective October 2025, and DEP South Carolina rates, effective February 2026 (+$0.05), DEC North Carolina Year 3 rates, effective January 2026, and DEC South Carolina rates, effective March 2026 (+$0.04), DEI Step 2 rates, effective March 2026 (+$0.04) and DEF Year 2 rates, effective January 2026 (+$0.03).

(e) Electric Utilities and Infrastructure includes timing of PTCs (-$0.08), minority interest impacts (-$0.07) and higher property taxes (-$0.02). 12

(b) Electric Utilities and Infrastructure includes higher grid modernization riders and transmission revenues (+$0.10), SB266 impacts (+$0.09), and the DEI Generation Cost Tracker (+$0.02). Gas Utilities and Infrastructure includes higher capital riders and higher rates in South Carolina, partially offset by lower earnings due to the sale of the Tennessee business.

(c) Electric Utilities and Infrastructure includes impacts from DEP North Carolina Year 3 rates, effective October 2025, and DEP South Carolina rates, effective February 2026 (+$0.10), DEI Step 2 rates, effective March 2026 (+$0.10), DEC North Carolina Year 3 rates, effective January 2026, and DEC South Carolina rates, effective March 2026 (+$0.09), DEF Year 2 rates, effective January 2026 (+$0.08), and DEK rates, effective July 2025 (+$0.02). Gas Utilities and Infrastructure includes impacts from DEK rates, effective January 2026.

(f) Electric Utilities and Infrastructure includes minority interest impacts (-$0.12) and higher property taxes (-$0.06). 13

DUKE ENERGY CORPOR… CONDEN… CONSOL… STATEM… OF OPERAT… (Unaud… (In millio… except Three Nine per Months Months share Ended Ended amount… Septem… Septemb… Operat… 30, 30, Revenu… 2026 2025 2026 2025 ────────────────────────────────────────────────────────────────────────────── Regula… $ 8,677 $ 8,106 $ 23,583 $ 22,138 electr… Regula… natural 358 361 2,073 1,928 gas Nonreg… electr… 69 75 218 233 and other Total operat… 9,104 8,542 25,874 24,299 revenu… Operat… Expens… Fuel used in electr… genera… 2,738 2,289 7,072 6,266 and purcha… power Cost of natural 117 110 772 642 gas Operat… mainte… 1,373 1,762 4,510 4,916 and other Deprec… and 1,709 1,626 5,098 4,721 amorti… Proper… and 433 438 1,259 1,281 other taxes Impair… of assets -2 — 47 3 and other charges Total operat… 6,368 6,225 18,758 17,829 expens… Gains (Losse… on Sales of 11 17 405 37 Other Assets and Other, net Operat… 2,747 2,334 7,521 6,507 Income Other Income and Expens… Equity in earnin… (losse… 22 16 39 38 of uncons… affili… Other income and 147 182 483 497 expens… net Total other income 169 198 522 535 and expens… Intere… 967 902 2,892 2,688 Expense Income From Contin… Operat… 1,949 1,630 5,151 4,354 Before Income Taxes Income Tax Expense 299 176 792 488 From Contin… Operat… Income From 1,650 1,454 4,359 3,866 Contin… Operat… Income (Loss) From Discon… — — 13 -1 Operat… net of tax Net 1,650 1,454 4,372 3,865 Income Less: Net Income 85 33 165 81 Attrib… to NCI Net Income Attrib… 1,565 1,421 4,207 3,784 to Duke Energy Corpor… Less: Prefer… 14 14 43 41 Divide… Net Income Availa… to Duke $ 1,551 $ 1,407 $ 4,164 $ 3,743 Energy Corpor… Common Stockh… Earnin… Per Share – Basic and Diluted Income from contin… operat… availa… to Duke Energy Corpor… common stockh… Basic and $ 1.99 $ 1.81 $ 5.32 $ 4.81 Diluted Income (loss) from discon… operat… attrib… to Duke Energy Corpor… common stockh… Basic and $ — $ — $ 0.02 $ — Diluted Net income availa… to Duke Energy Corpor… common stockh… Basic and $ 1.99 $ 1.81 $ 5.34 $ 4.81 Diluted Weight… average shares outsta… Basic and 780 778 779 777 Diluted

September 30, December 31, (In millions) 2026 2025 ────────────────────────────────────────────────────────────────────────────── ASSETS Current Assets Cash and cash $ 451 $ 245 equivalents Receivables (net of allowance for doubtful 4,994 4,230 accounts of $213 at 2026 and $194 at 2025) Inventory (includes $1,137 at 2026 and 4,734 4,569 $669 at 2025 related to VIEs) Regulatory assets (includes $205 at 2026 2,563 1,934 and $204 at 2025 related to VIEs) Assets held for — 109 sale Other (includes $86 at 2026 and $88 at 644 526 2025 related to VIEs) Total current 13,386 11,613 assets Property, Plant and Equipment Cost (includes $6,188 at 2026 and $2,913 200,880 190,409 at 2025 related to VIEs) Accumulated depreciation and amortization (includes ($164) -63,127 -60,450 at 2026 and ($89) at 2025 related to VIEs) Net property, plant and 137,753 129,959 equipment Other Noncurrent Assets Goodwill 19,010 19,010 Regulatory assets (includes $2,970 at 14,355 14,379 2026 and $3,108 at 2025 related to VIEs) Nuclear decommissioning 13,281 12,889 trust funds Operating lease right-of-use 1,189 1,241 assets, net Investments in equity method 350 330 unconsolidated affiliates Assets held for — $ 2,148 sale Other 4,539 4,167 Total other noncurrent 52,724 54,164 assets Total Assets $ 203,863 $ 195,736 LIABILITIES AND EQUITY Current Liabilities Accounts payable (includes $374 at 2026 $ 5,018 $ 5,223 and $296 at 2025 related to VIEs) Notes payable and commercial 2,341 2,624 paper Taxes accrued 1,160 975 Interest accrued 842 922 Current maturities of long-term debt (includes $167 6,116 7,104 at 2026 and $118 at 2025 related to VIEs) Asset retirement 462 579 obligations Regulatory 1,365 1,271 liabilities Liabilities associated with — 84 assets held for sale Other 2,341 2,265 Total current 19,645 21,047 liabilities Long-Term Debt (includes $3,136 at 2026 84,332 80,108 and $3,308 at 2025 related to VIEs) Other Noncurrent Liabilities Deferred income 13,740 12,377 taxes Asset retirement 8,870 9,046 obligations Regulatory 15,410 15,682 liabilities Operating lease 991 1,033 liabilities Accrued pension and other 340 396 post-retirement benefit costs Investment tax 1,019 969 credits Liabilities associated with — $ 170 assets held for sale Other 1,974 1,889 Total other noncurrent 42,344 41,562 liabilities Commitments and Contingencies Equity Preferred stock, Series A, $0.001 par value, 40 million depositary 973 973 shares authorized and outstanding at 2026 and 2025 Common stock, $0.001 par value, 2 billion shares authorized; 780 1 1 million and 778 million shares outstanding at 2026 and 2025 Additional 47,397 45,614 paid-in capital Retained 6,708 5,056 earnings Accumulated other comprehensive 298 198 income (loss) Total Duke Energy Corporation 55,377 51,842 stockholders' equity Noncontrolling 2,165 1,177 Interests Total equity 57,542 53,019 Total Liabilities and $ 203,863 $ 195,736 Equity

DUKE ENERGY CORPORATION CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (In millions) Nine Months Ended CASH FLOWS FROM September 30, OPERATING ACTIVITIES 2026 2025 ────────────────────────────────────────────────────────────────────────────── Net Income $ 4,372 $ 3,865 Adjustments to reconcile net income to net cash provided by 3,517 4,807 operating activities Net cash provided by operating 7,889 8,672 activities CASH FLOWS FROM INVESTING ACTIVITIES Net cash used in -10,824 -9,976 investing activities CASH FLOWS FROM FINANCING ACTIVITIES Net cash provided by financing 3,130 1,622 activities Net increase (decrease) in cash, cash 195 318 equivalents and restricted cash Cash, cash equivalents and restricted 363 421 cash at beginning of period Cash, cash equivalents and restricted $ 558 $ 739 cash at end of period

(a) See Reported to Adjusted Earnings Reconciliation for a detailed reconciliation of Segment Income/Other Net Loss to Adjusted Earnings. 18

(b) Includes an equity component of allowance for funds used during construction of $51 million for Duke Energy Carolinas, $32 million for Duke Energy Progress, $5 million for Duke Energy Florida, $2 million for Duke Energy Ohio and $7 million for Duke Energy Indiana.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida Progress. 23

(b) Includes an equity component of allowance for funds used during construction of $136 million for Duke Energy Carolinas, $90 million for Duke Energy Progress, $11 million for Duke Energy Florida, $9 million for Duke Energy Ohio and $23 million for Duke Energy Indiana.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida Progress. 24

(b) Includes the elimination of intercompany balances, purchase accounting adjustments, and Duke Energy Indiana Holdco, LLC balances. 25

(b) Includes the elimination of intercompany balances, purchase accounting adjustments and Duke Energy Indiana Holdco, LLC balances.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida Progress. 26

(b) Primarily earnings from investments in Sabal Trail and Cardinal pipelines, as well as Hardy and Pine Needle storage facilities. 27

(b) Includes earnings from investments in Sabal Trail and Cardinal pipelines, as well as Hardy and Pine Needle storage facilities.

(c) The gain on sale is $284 million lower at the Gas Utilities and Infrastructure segment level due to higher allocated goodwill related to the Piedmont Tennessee Disposal Group than at Piedmont Natural Gas LDC. 28

(b) Includes the elimination of intercompany balances and purchase accounting adjustments. 29

(b) Includes the elimination of intercompany balances and purchase accounting adjustments. 30

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations.

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations.

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations.

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations. 34

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations. 35

(a) Except as indicated in footnote (b), represents non-weather-normalized billed sales, with energy delivered but not yet billed (i.e., unbilled sales) reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and unbilled sales).

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations, and nameplate capacity for Renewable generation stations. 36

(a) Piedmont has a margin decoupling mechanism in North Carolina, weather normalization mechanisms in South Carolina and Tennessee and fixed-price contracts with most power generation customers that significantly eliminate the impact of throughput changes on earnings. Duke Energy Ohio's rate design also serves to offset this impact. On March 31, 2026, Piedmont closed on the sale of its Tennessee business. 37

Full text with the tables
                
  News Release  
                
Media Contact: Gillian Moore

24-Hour: 800.559.3853

Analyst Contact: Mike Switzer

Office: 704.382.6473

November 5, 2026
                                                                                
   Duke Energy reports third-quarter 2026 financial results                     
                                                                                
▪ Third-quarter 2026 reported and adjusted EPS of $1.99

▪ Company narrows 2026 adjusted EPS guidance range to $6.70 to $6.80; strong
year-to-date performance positions company to deliver results near the top end

▪ Executing record generation build to add 16 gigawatts of capacity by 2031,
supporting customer value, economic growth and reliable service

CHARLOTTE, N.C. – Duke Energy (NYSE: DUK) today announced third-quarter 2026
reported EPS, prepared in accordance with Generally Accepted Accounting
Principles (GAAP), and adjusted EPS of $1.99. This is compared to reported and
adjusted EPS of $1.81 for the third quarter of 2025. Adjusted EPS excludes the
impact of certain items that are included in reported EPS.

Higher third-quarter 2026 adjusted results were driven by recovery of
infrastructure investments to reliably serve customers in our growing
jurisdictions and favorable weather. These items were partially offset by higher
depreciation on a growing asset base, impacts from minority interest
investments, higher interest expense, and a higher effective tax rate.

The company is narrowing its 2026 adjusted EPS guidance range to $6.70 to $6.80
and reaffirming its long-term adjusted EPS growth rate of 5% to 7% through 2030
off the 2025 guidance range midpoint of $6.30, with confidence to earn in the
top half of the range beginning in 2028. Management does not forecast reported
GAAP EPS and related long-term growth rates.

“We delivered strong results through the first three quarters of the year,
reflecting disciplined execution as we continue investing in the reliable
service our customers depend on while keeping costs as low as possible,” said
Harry Sideris, Duke Energy president and chief executive officer. “The growth
across our states creates a significant opportunity, and our focus is on making
sure that growth benefits everyone – protecting existing customers,
strengthening reliability and supporting the communities we serve. We are well
positioned to deliver on our 2026 priorities and create lasting value for our
customers, communities and shareholders.”
                                       1                                        
                                                      Duke Energy News Release 2
                                                                                
  Business segment results                                                      
                                                                                
In addition to the following summary of third-quarter 2026 business segment
performance, comprehensive tables with detailed EPS drivers for the third
quarter compared to prior year are provided at the end of this news release.

The discussion below of third-quarter results includes both GAAP segment income
and adjusted segment income, which is a non-GAAP financial measure. The tables
at the end of this news release present a full reconciliation of GAAP reported
results to adjusted results.
                                                                                
  Electric Utilities and Infrastructure                                         
                                                                                
On a reported basis and adjusted basis, Electric Utilities and Infrastructure
recognized third-quarter 2026 segment income of $1,817 million, compared to
segment income of $1,658 million in the third quarter of 2025. This represents
an increase of $0.20 per share. Higher quarterly results were primarily driven
by recovery of infrastructure investments to reliably serve customers in our
growing jurisdictions and favorable weather, partially offset by higher
depreciation on a growing asset base, impacts from minority interest
investments, and higher interest expense.
                                                                                
  Gas Utilities and Infrastructure                                              
                                                                                
On a reported and adjusted basis, Gas Utilities and Infrastructure recognized
third-quarter 2026 segment loss of $19 million, compared to segment loss of $26
million in the third quarter of 2025. This represents an increase of $0.01 per
share. Higher quarterly results were primarily driven by lower O&M expense.
                                                                                
  Other                                                                         
                                                                                
Other primarily includes interest expense on holding company debt, other
unallocated corporate costs and results from Duke Energy’s captive insurance
company.

On a reported and adjusted basis, Other recognized a third-quarter 2026 segment
loss of $247 million, compared to segment loss of $225 million in the third
quarter of 2025. This represents a decrease of $0.03 per share. Lower quarterly
results were primarily driven by higher captive claims and lower returns on
investments.
                                                                                
  Effective tax rate                                                            
                                                                                
Duke Energy's consolidated reported effective tax rate for the third quarter of
2026 was 15.3% compared to 10.8% in the third quarter of 2025. The increase in
the reported effective tax rate was primarily due to a decrease in the
amortization of excess deferred income taxes.

Duke Energy's consolidated adjusted effective tax rate was 15.5% for the third
quarter of 2026 compared to 10.8% in the third quarter of 2025. The increase in
the adjusted effective tax rate was primarily due to a decrease in the
amortization of excess deferred income taxes.

The tables at the end of this news release present a reconciliation of the
reported effective tax rate to the adjusted effective tax rate.
                                       2                                        
                                                      Duke Energy News Release 3
                                                                                
  Earnings conference call for analysts                                         
                                                                                
An earnings conference call for analysts is scheduled at 10 a.m. ET today to
discuss third-quarter 2026 financial results and other business and financial
updates. The conference call will be hosted by Harry Sideris, president and
chief executive officer, and Brian Savoy, executive vice president and chief
financial officer.

The call can be accessed via the investors' section (duke-energy.com/investors)
of Duke Energy’s website or by dialing 833.461.5787 in the U.S. or 585.542.9983
outside the U.S. The confirmation code is 463805206. Please call in 10 to 15
minutes prior to the scheduled start time.
                                                                                
  Non-GAAP financial measures                                                   
                                                                                
Management evaluates financial performance in part based on non-GAAP financial
measures, including adjusted earnings, adjusted EPS and adjusted effective tax
rate. Adjusted earnings and adjusted EPS represent income (loss) from continuing
operations available to Duke Energy Corporation common stockholders in dollar
and basic per share amounts, adjusted for the dollar and per share impact of
special items. The adjusted effective tax rate is calculated using pretax
earnings and income tax expense, both adjusted to include the impact of
noncontrolling interests and preferred dividends and to exclude the impact of
special items. Special items represent certain charges and credits, which
management believes are not indicative of Duke Energy's ongoing performance.
There were no special items included in the periods presented.

Management uses these non-GAAP financial measures for planning, forecasting, and
to report financial results to the Board of Directors, employees, and
stockholders, as well as analysts and investors. The most directly comparable
GAAP measures for adjusted earnings, adjusted EPS and the adjusted effective tax
rate are Net Income (Loss) Available to Duke Energy Corporation common
stockholders (GAAP reported earnings (loss)), Basic earnings (loss) per share
Available to Duke Energy Corporation common stockholders (GAAP reported earnings
(loss) per share), and the reported effective tax rate, respectively.

Due to the forward-looking nature of forecasted adjusted EPS and related growth
rates, the information to reconcile those amounts to the most directly
comparable GAAP financial measure is not available, as management is unable to
project special items, such as legal settlements, impacts of regulatory orders
or asset impairments, for future periods.
                                       3                                        
                                                      Duke Energy News Release 4
Management evaluates segment performance based on segment income and other net
loss. Segment income and other net loss are defined as income (loss) from
continuing operations net of income attributable to noncontrolling interests and
preferred stock dividends. Segment income and other net loss include
intercompany revenues and expenses that are eliminated in the Condensed
Consolidated Financial Statements. Management also uses adjusted segment income
and adjusted other net loss as measures of historical and anticipated future
segment performance. Adjusted segment income and adjusted other net loss are
non-GAAP financial measures, as they represent segment income and other net loss
adjusted for special items, as discussed above. Management believes the
presentation of adjusted segment income and adjusted other net loss provide
useful information to investors, as they provide additional relevant comparison
of a segment’s or Other's performance across periods. The most directly
comparable GAAP measures for adjusted segment income and adjusted other net loss
are segment income and other net loss.

Due to the forward-looking nature of forecasted adjusted segment income and
forecasted adjusted other net loss and related growth rates, the information to
reconcile these amounts to the most directly comparable GAAP financial measures
are not available, as management is unable to project special items, as
discussed above.

Duke Energy’s adjusted earnings, adjusted EPS, adjusted effective tax rate,
adjusted segment income, and adjusted other net loss may not be comparable to
similarly titled measures of another company because other companies may not
calculate the measures in the same manner.
                                                                                
  Duke Energy                                                                   
                                                                                
Duke Energy (NYSE: DUK), a Fortune 150 company headquartered in Charlotte, N.C.,
is one of America’s largest energy holding companies. The company's electric
utilities serve 8.7 million customers in North Carolina, South Carolina,
Florida, Indiana, Ohio and Kentucky, and collectively own 55,700 megawatts of
energy capacity. Its natural gas utilities serve 1.6 million customers in North
Carolina, South Carolina, Ohio and Kentucky.

Duke Energy is executing an energy modernization strategy, keeping customer
value at the forefront as it invests in electric grid upgrades and efficient
generation resources to strengthen the system and serve growing energy needs.

More information is available at duke-energy.com. Follow Duke Energy on X,
LinkedIn, Instagram, TikTok and Facebook for stories about the people and
innovations powering its communities.
                                                                                
  Forward-Looking Information                                                   
                                                                                
This document includes forward-looking statements within the meaning of Section
27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act
of 1934. Forward-looking statements are based on management’s beliefs and
assumptions and can often be identified by terms and phrases that include
“anticipate,” “believe,” “intend,” “estimate,” “expect,” “continue,” “should,”
“could,” “may,” “plan,” “project,” “predict,” “will,” “potential,” “forecast,”
“target,” “guidance,” “outlook” or other similar terminology. Various factors
may cause actual results to be materially different than the suggested outcomes
within forward-looking statements; accordingly, there is no assurance that such
results will be realized. These factors include, but are not limited to:
                                       4                                        
                                                      Duke Energy News Release 5
◦ The ability to implement our business strategy, including meeting forecasted
load growth demand, grid and fleet modernization objectives, and reducing carbon
emissions, while balancing customer reliability and keeping costs as low as
possible for our customers;

◦ State, federal and foreign legislative and regulatory initiatives, including
costs of compliance with existing and future environmental requirements and/or
uncertainty of applicability or changes to such legislative and regulatory
initiatives, including those related to climate change, as well as rulings that
affect cost and investment recovery or have an impact on rate structures or
market prices;

◦ The extent and timing of costs and liabilities to comply with federal and
state laws, regulations and legal requirements related to coal ash remediation,
including amounts for required closure of certain ash impoundments, are
uncertain and difficult to estimate;

◦ The ability to timely recover eligible costs, including amounts associated
with coal ash impoundment retirement obligations, asset retirement and
construction costs related to carbon emissions reductions, and costs related to
significant weather events, particularly in periods of heightened customer
affordability concerns, bill volatility or public and political scrutiny, and to
earn an adequate return on investment through rate case proceedings and the
regulatory process;

◦ The costs associated with life extension, power uprate projects, fuel-cycle
extensions or decommissioning nuclear facilities could prove to be more
extensive than amounts estimated and all costs may not be fully recoverable
through the regulatory process;

◦ The impact of extraordinary external events, such as a global pandemic, trade
wars or military conflict, and their collateral consequences, including the
disruption of global supply chains or the economic activity in our service
territories;

◦ Costs and effects of legal and administrative proceedings, settlements,
investigations and claims;

◦ Industrial, commercial and residential decline in service territories or
customer bases resulting from sustained downturns of the economy, storm damage,
reduced customer usage due to cost pressures from inflation, tariffs, or fuel
costs, worsening economic health of our service territories, reductions in
customer usage patterns, or lower than anticipated load growth, particularly if
usage of electricity by data centers is less than currently projected, energy
efficiency efforts, natural gas building and appliance electrification, and use
of alternative energy sources, such as self-generation and distributed
generation technologies;

◦ Federal and state regulations, laws and other efforts designed to promote and
expand the use of energy efficiency measures, natural gas electrification, and
distributed generation technologies, such as private solar and battery storage,
in Duke Energy service territories could result in a reduced number of
customers, excess generation resources as well as stranded costs;

◦ Advancements in technology, including artificial intelligence;

◦ Additional competition in electric and natural gas markets, municipalization
and continued industry consolidation;

◦ The influence of weather and other natural phenomena on operations, financial
position, and cash flows, including the economic, operational and other effects
of severe storms, hurricanes, droughts, earthquakes and tornadoes, including
extreme weather associated with climate change;

◦ Changing or conflicting investor, customer and other stakeholder expectations
and demands, particularly regarding environmental, social and governance matters
and costs related thereto;

◦ The ability to successfully operate electric generating facilities and deliver
electricity to customers, including direct or indirect effects to the Company
resulting from an incident that affects the United States electric grid or
generating resources;

◦ Operational interruptions to our natural gas distribution and transmission
activities;

◦ The availability of adequate interstate pipeline transportation capacity and
natural gas supply;

◦ The impact on facilities and business from a terrorist or other attack, war,
vandalism, cybersecurity threats, data security breaches, operational events,
information technology failures or other catastrophic events, such as severe
storms, fires, explosions, pandemic health events or other similar occurrences;

◦ The inherent risks associated with the operation of nuclear facilities,
including environmental, health, safety, regulatory and financial risks,
including the financial stability of third-party service providers;
                                       5                                        
                                                      Duke Energy News Release 6
◦ The timing and extent of changes in commodity prices, including any impact
from increased tariffs, export controls and interest rates, and the ability to
timely recover such costs through the regulatory process, where appropriate, and
their impact on liquidity positions and the value of underlying assets;

◦ The results of financing efforts, including the ability to obtain financing on
favorable terms, which can be affected by various factors, including credit
ratings, interest rate fluctuations, compliance with debt covenants and
conditions, an individual utility’s generation portfolio, and general market and
economic conditions;

◦ Credit ratings of the Duke Energy Registrants may be different from what is
expected;

◦ Declines in the market prices of equity and fixed-income securities and
resultant cash funding requirements for defined benefit pension plans, other
post-retirement benefit plans and nuclear decommissioning trust funds;

◦ Construction and development risks associated with the completion of the Duke
Energy Registrants’ capital investment projects, including risks related to
financing, timing and receipt of necessary regulatory approvals, obtaining and
complying with terms of permits, meeting construction budgets and schedules,
obtaining sufficient skilled labor and satisfying operating and environmental
performance standards, as well as the ability to recover costs from customers in
a timely manner, or at all;

◦ Changes in rules for regional transmission organizations, including changes in
rate designs and new and evolving capacity markets, and risks related to
obligations created by the default of other participants;

◦ The ability to control operation and maintenance costs;

◦ The level of creditworthiness of counterparties to transactions;

◦ The ability to obtain adequate insurance at acceptable costs and recover on
claims made;

◦ Employee workforce factors, including the potential inability to attract and
retain key personnel;

◦ The ability of subsidiaries to pay dividends or distributions to Duke Energy
Corporation holding company (the Parent);

◦ The performance of projects undertaken by our businesses and the success of
efforts to invest in and develop new opportunities;

◦ The effect of accounting and reporting pronouncements issued periodically by
accounting standard-setting bodies and the SEC;

◦ The impact of United States tax legislation to our financial condition,
results of operations or cash flows and our credit ratings;

◦ The impacts from potential impairments of goodwill or investment carrying
values;

◦ Asset or business acquisitions and dispositions may not be consummated or
yield the anticipated benefits, which could adversely affect our financial
condition, credit metrics or ability to execute strategic and capital plans;

◦ The (i) failure to realize the anticipated benefits, synergies and value
creation expected from the utility combination by which Duke Energy Progress
will merge into Duke Energy Carolinas (the Combination), including as a result
of difficulties or delays in integrating the contributed assets and operations
and/or the incurring of significant costs in connection with the Combination;
and (ii) the risk that the combined entity may not perform as expected following
the consummation of the Combination due to unforeseen liabilities, its level of
indebtedness, integration challenges, market conditions, ratings downgrades or
other factors beyond the control of the parties; and

◦ The actions of activist shareholders could disrupt our operations, impact our
ability to execute on our business strategy, or cause fluctuations in the
trading price of our common stock.

Additional risks and uncertainties are identified and discussed in the Duke
Energy Registrants' reports filed with the SEC and available at the SEC's
website at sec.gov. In light of these risks, uncertainties and assumptions, the
events described in the forward-looking statements might not occur or might
occur to a different extent or at a different time than described. Forward-
looking statements speak only as of the date they are made and the Duke Energy
Registrants expressly disclaim an obligation to publicly update or revise any
forward-looking statements, whether as a result of new information, future
events or otherwise.
                                       6                                        
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                  REPORTED TO ADJUSTED EARNINGS RECONCILIATION                  
                                                                                
                                                                                
                     Three Months Ended September 30, 2026                      
                                                                                
                (Dollars in millions, except per share amounts)                 
                                                                                
  SEGMENT                                                                       
  INCOME     Reported           Discont…       Total           Adjusted         
  (LOSS)     Earnings           Operati…       Adjustme…       Earnings         
 ────────────────────────────────────────────────────────────────────────────── 
  Electr…                                                                       
  Utilit…    $         1,817    $         —    $          —    $         1,817  
  and                                                                           
  Infras…                                                                       
  Gas                                                                           
  Utilit…                -19              —               —                -19  
  and                                                                           
  Infras…                                                                       
  Total                                                                         
  Report…              1,798              —               —              1,798  
  Segment                                                                       
  Income                                                                        
  Other                 -247              —               —               -247  
  Net                                                                           
  Income                                                                        
  Availa…                                                                       
  to Duke    $         1,551    $         —    $          —    $         1,551  
  Energy                                                                        
  Corpor…                                                                       
  Common                                                                        
  Stockh…                                                                       
  EPS                                                                           
  AVAILA…                                                                       
  TO DUKE                                                                       
  ENERGY     $          1.99    $         —    $          —    $          1.99  
  CORPOR…                                                                       
  COMMON                                                                        
  STOCKH…                                                                       
                                                                                
Note: Total EPS adjustments may not cross-foot due to rounding.

Weighted Average Shares, basic (reported and adjusted) – 780 million
                                       7                                        
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                  REPORTED TO ADJUSTED EARNINGS RECONCILIATION                  
                                                                                
                                                                                
                      Nine Months Ended September 30, 2026                      
                                                                                
                (Dollars in millions, except per share amounts)                 
                                                                                
                 S…                                                             
                 I…                                                             
                 L…                                                             
  …              a…                                                             
  …    R…        R…             A…             D…             T…        A…      
  …    E…        S…             S…             O…             A…        E…      
 ────────────────────────────────────────────────────────────────────────────── 
  …                                                                             
  …    $   4…    $   1…    A    $    —         $    —         $   1…    $   4…  
  …                                                                             
  …                                                                             
  …                                                                             
  …        5…         —             -…    B         —             -…        3…  
  …                                                                             
  …                                                                             
  …                                                                             
  …        4…        1…             -…              —             18        4…  
  …                                                                             
  …                                                                             
  …        -…         —                             —              —        -…  
  …        13         —              —             -…    C        -…         —  
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   4…    $   1…         $   -…         $   -…         $    5    $   4…  
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   5…    $   0…         $   -…         $   -…         $   0…    $   5…  
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
                                                                                
Note: Total EPS adjustments may not cross-foot due to rounding.
                                                                                
  A                                                                             
                                                                                
– Duke Energy Carolinas and Duke Energy Progress recorded a total of $248
million pretax within Operations, maintenance and other, Impairment of assets
and other charges, and Operating Revenues on the Condensed Consolidated
Statements of Operations due to certain legal settlements, as well as regulatory
settlements related to the Duke Energy Carolinas' and Duke Energy Progress'
North Carolina rate cases and establishment of a regulatory liability associated
with an energy efficiency program. Segment income amount for these matters is
net of a $59 million tax benefit.
                                                                                
  B                                                                             
                                                                                
– Net of $196 million tax expense, which includes the impact of nondeductible
goodwill related to the sale of Piedmont's Tennessee business.

• $368 million recorded within Gains on Sales of Other Assets and Other, net,
and $7 million recorded within Property and other taxes on the Condensed
Consolidated Statements of Operations related to the sale of Piedmont's
Tennessee business.

• $6 million recorded within Gains on Sales of Other Assets and Other, net on
the Condensed Consolidated Statements of Operations related to the sale of
certain renewable natural gas investments.
                                                                                
  C                                                                             
                                                                                
– Recorded in Income (Loss) from Discontinued Operations, net of tax, on the
Condensed Consolidated Statements of Operations.

Weighted Average Shares, basic (reported and adjusted) –
                                                                                
  779 million                                                                   
                                                                                
                                       8                                        
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                  REPORTED TO ADJUSTED EARNINGS RECONCILIATION                  
                                                                                
                                                                                
                     Three Months Ended September 30, 2025                      
                                                                                
                (Dollars in millions, except per share amounts)                 
                                                                                
  SEGMENT                                                                       
  INCOME     Reported           Discont…       Total           Adjusted         
  (LOSS)     Earnings           Operati…       Adjustme…       Earnings         
 ────────────────────────────────────────────────────────────────────────────── 
  Electr…                                                                       
  Utilit…    $         1,658    $         —    $          —    $         1,658  
  and                                                                           
  Infras…                                                                       
  Gas                                                                           
  Utilit…                -26              —               —                -26  
  and                                                                           
  Infras…                                                                       
  Total                                                                         
  Report…              1,632              —               —              1,632  
  Segment                                                                       
  Income                                                                        
  Other                 -225              —               —               -225  
  Net                                                                           
  Income                                                                        
  Availa…                                                                       
  to Duke    $         1,407    $         —    $          —    $         1,407  
  Energy                                                                        
  Corpor…                                                                       
  Common                                                                        
  Stockh…                                                                       
  EPS                                                                           
  AVAILA…                                                                       
  TO DUKE                                                                       
  ENERGY     $          1.81    $         —    $          —    $          1.81  
  CORPOR…                                                                       
  COMMON                                                                        
  STOCKH…                                                                       
                                                                                
Note: Total EPS adjustments may not cross-foot due to rounding.

Weighted Average Shares, basic (reported and adjusted) – 778 million
                                       9                                        
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                  REPORTED TO ADJUSTED EARNINGS RECONCILIATION                  
                                                                                
                                                                                
                      Nine Months Ended September 30, 2025                      
                                                                                
                (Dollars in millions, except per share amounts)                 
                                                                                
  SEGME…                                                                        
  INCOME    Report…           Discon…            Total         Adjusted         
  (LOSS)    Earnin…           Operat…            Adjust…       Earnings         
 ────────────────────────────────────────────────────────────────────────────── 
  Elect…                                                                        
  Utili…    $        4,128    $        —         $        —    $         4,128  
  and                                                                           
  Infra…                                                                        
  Gas                                                                           
  Utili…               329             —                  —                329  
  and                                                                           
  Infra…                                                                        
  Total                                                                         
  Repor…             4,457             —                  —              4,457  
  Segme…                                                                        
  Income                                                                        
  Other               -713             —                  —               -713  
  Disco…                -1             1    A             1                  —  
  Opera…                                                                        
  Net                                                                           
  Income                                                                        
  Avail…                                                                        
  to                                                                            
  Duke      $        3,743    $        1         $        1    $         3,744  
  Energy                                                                        
  Corpo…                                                                        
  Common                                                                        
  Stock…                                                                        
  EPS                                                                           
  AVAIL…                                                                        
  TO                                                                            
  DUKE      $         4.81    $        —         $        —    $          4.81  
  ENERGY                                                                        
  CORPO…                                                                        
  COMMON                                                                        
  STOCK…                                                                        
                                                                                
Note: Total EPS adjustments may not cross-foot due to rounding.
                                                                                
  A                                                                             
                                                                                
– Recorded in Income (Loss) from Discontinued Operations, net of tax, on the
Condensed Consolidated Statements of Operations.

Weighted Average Shares, basic (reported and adjusted) – 777 million
                                       10                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                          EFFECTIVE TAX RECONCILIATION                          
                                                                                
                                                                                
                                 September 2026                                 
                                                                                
                             (Dollars in millions)                              
                                                                                
                   Three                               Nine                     
                  Months                              Mont…                     
                   Ended                              Ended                     
                  Septe…                              Sept…                     
                     30,                                30,                     
                    2026                               2026                     
 ────────────────────────────────────────────────────────────────────────────── 
                            Effe…                              Effec…           
           Bala…            Tax               Balan…           Tax              
                            Rate                               Rate             
  Repo…                                                                         
  Inco…                                                                         
  From                                                                          
  Cont…    $       1,949                      $       5,151                     
  Oper…                                                                         
  Befo…                                                                         
  Inco…                                                                         
  Taxes                                                                         
  Legal                                                                         
  and                  —                                248                     
  Regu…                                                                         
  Sett…                                                                         
  Asset                —                               -367                     
  Sales                                                                         
  Nonc…             -100                               -196                     
  Inte…                                                                         
  Pref…              -14                                -43                     
  Divi…                                                                         
  Adju…                                                                         
  Pret…    $       1,835                      $       4,793                     
  Inco…                                                                         
  Repo…                                                                         
  Inco…                                                                         
  Tax                                                                           
  Expe…    $         299           15.3  %    $         792            15.4  %  
  From                                                                          
  Cont…                                                                         
  Oper…                                                                         
  Legal                                                                         
  and                  —                                 59                     
  Regu…                                                                         
  Sett…                                                                         
  Asset                —                               -196                     
  Sales                                                                         
  Nonc…                                                                         
  Inte…                                                                         
  Port…              -15                                -31                     
  of                                                                            
  Inco…                                                                         
  Taxe…                                                                         
  Adju…                                                                         
  Tax      $         284           15.5  %    $         624            13.0  %  
  Expe…                                                                         
                                                                                
                                                                                
                   Three                               Nine                     
                  Months                              Mont…                     
                   Ended                              Ended                     
                  Septe…                              Sept…                     
                     30,                                30,                     
                    2025                               2025                     
 ────────────────────────────────────────────────────────────────────────────── 
                            Effe…                              Effec…           
           Bala…            Tax               Balan…           Tax              
                            Rate                               Rate             
  Repo…                                                                         
  Inco…                                                                         
  From                                                                          
  Cont…    $       1,630                      $       4,354                     
  Oper…                                                                         
  Befo…                                                                         
  Inco…                                                                         
  Taxes                                                                         
  Nonc…              -38                                -93                     
  Inte…                                                                         
  Pref…              -14                                -41                     
  Divi…                                                                         
  Adju…                                                                         
  Pret…    $       1,578                      $       4,220                     
  Inco…                                                                         
  Repo…                                                                         
  Inco…                                                                         
  Tax                                                                           
  Expe…    $         176           10.8  %    $         488            11.2  %  
  From                                                                          
  Cont…                                                                         
  Oper…                                                                         
  Nonc…                                                                         
  Inte…                                                                         
  Port…               -5                                -12                     
  of                                                                            
  Inco…                                                                         
  Taxe…                                                                         
  Adju…                                                                         
  Tax      $         171           10.8  %    $         476            11.3  %  
  Expe…                                                                         
                                                                                
(a) Income tax related to non-pass-through entities for tax purposes.
                                       11                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                               EARNINGS VARIANCES                               
                                                                                
                                                                                
                       September 2026 QTD vs. Prior Year                        
                                                                                
                                                                                
           Elect…           Gas                                                 
  (Dol…    Utili…           Utili…                                              
  per      and              and                                                 
  shar…    Infra…           Infra…           Other           Cons…              
 ────────────────────────────────────────────────────────────────────────────── 
  2025                                                                          
  QTD                                                                           
  Repo…                                                                         
  and      $        2.13    $       -0.03    $      -0.29             $   1.81  
  Adju…                                                                         
  Earn…                                                                         
  Per                                                                           
  Share                                                                         
  Weat…             0.08                —               —                 0.08  
  Volu…             0.10                —               —                 0.10  
  Ride…                                                                         
  and                                                                           
  Other             0.10            -0.01               —                 0.09  
  Reta…                                                                         
  Marg…                                                                         
  Rate                                                                          
  case              0.16                —               —                 0.16  
  impa…                                                                         
  net(…                                                                         
  Whol…             0.03                —               —                 0.03  
  Oper…                                                                         
  and                                                                           
  main…                —             0.01               —                 0.01  
  net                                                                           
  of                                                                            
  reco…                                                                         
  Inte…            -0.04                —               —                -0.04  
  Expe…                                                                         
  AFUDC             0.02                —               —                 0.02  
  Equi…                                                                         
  Depr…                                                                         
  and              -0.08                —               —                -0.08  
  amor…                                                                         
  Othe…            -0.17             0.01           -0.03                -0.19  
  Total    $        0.20    $        0.01    $      -0.03             $   0.18  
  vari…                                                                         
  2026                                                                          
  QTD                                                                           
  Repo…                                                                         
  and      $        2.33    $       -0.02    $      -0.32             $   1.99  
  Adju…                                                                         
  Earn…                                                                         
  Per                                                                           
  Share                                                                         
  Note:                                                                         
  Earn…                                                                         
  Per                                                                           
  Share                                                                         
  amou…                                                                         
  are                                                                           
  calc…                                                                         
  using                                                                         
  the                                                                           
  cons…                                                                         
  stat…                                                                         
  inco…                                                                         
  tax                                                                           
  rate                                                                          
  for                                                                           
  all                                                                           
  driv…                                                                         
  Basic                                                                         
  weig…                                                                         
  aver…                                                                         
  shar…                                                                         
  outs…                                                                         
  incr…                                                                         
  from                                                                          
  778                                                                           
  mill…                                                                         
  to                                                                            
  780                                                                           
  mill…                                                                         
  Tota…                                                                         
  may                                                                           
  not                                                                           
  foot                                                                          
  or                                                                            
  cros…                                                                         
  due                                                                           
  to                                                                            
  roun…                                                                         
                                                                                
(a) Includes block and seasonal pricing.

(b) Electric Utilities and Infrastructure includes higher grid modernization
riders and transmission revenues (+$0.03), North Carolina Power Bill Reduction
Act (SB266) impacts (+$0.02), and the DEI Generation Cost Tracker (+$0.01).

(c) Electric Utilities and Infrastructure includes impacts from DEP North
Carolina Year 3 rates, effective October 2025, and DEP South Carolina rates,
effective February 2026 (+$0.05), DEC North Carolina Year 3 rates, effective
January 2026, and DEC South Carolina rates, effective March 2026 (+$0.04), DEI
Step 2 rates, effective March 2026 (+$0.04) and DEF Year 2 rates, effective
January 2026 (+$0.03).

(d) Electric Utilities and Infrastructure excludes rate case impacts.

(e) Electric Utilities and Infrastructure includes timing of PTCs (-$0.08),
minority interest impacts (-$0.07) and higher property taxes (-$0.02).
                                       12                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                               EARNINGS VARIANCES                               
                                                                                
                       September 2026 YTD vs. Prior Year                        
                                                                                
         Ele…          Gas                                                      
  (D…    Uti…          Uti…                                                     
  per    and           and                           Dis…                       
  sh…    Inf…          Inf…           Oth…           Ope…          Cons…        
 ────────────────────────────────────────────────────────────────────────────── 
  20…                                                                           
  YTD                                                                           
  Re…                                                                           
  and    $     5.31    $      0.42    $     -0.92    $        —    $      4.81  
  Ad…                                                                           
  Ea…                                                                           
  Per                                                                           
  Sh…                                                                           
  We…          0.09              —              —             —           0.09  
  Vo…          0.22              —              —             —           0.22  
  Ri…                                                                           
  and                                                                           
  Ot…          0.31           0.01              —             —           0.32  
  Re…                                                                           
  Ma…                                                                           
  Ra…                                                                           
  ca…          0.39           0.01              —             —           0.40  
  im…                                                                           
  ne…                                                                           
  Wh…          0.08              —              —             —           0.08  
  Op…                                                                           
  and                                                                           
  ma…          -0.…              —              —             —           -0.…  
  net                                                                           
  of                                                                            
  re…                                                                           
  In…          -0.…              —          -0.02             —           -0.…  
  Ex…                                                                           
  AF…          0.07              —              —             —           0.07  
  Eq…                                                                           
  De…                                                                           
  and          -0.…          -0.01              —             —           -0.…  
  am…                                                                           
  Ot…          -0.…           0.02           0.02             —           -0.…  
  To…    $     0.51    $      0.03    $         —    $        —    $      0.54  
  va…                                                                           
  20…                                                                           
  YTD                                                                           
  Ad…    $     5.82    $      0.45    $     -0.92    $        —    $      5.35  
  Ea…                                                                           
  Per                                                                           
  Sh…                                                                           
  Le…                                                                           
  and          -0.…              —              —             —           -0.…  
  Re…                                                                           
  Se…                                                                           
  As…             —           0.22              —             —           0.22  
  Sa…                                                                           
  Di…             —              —              —          0.02           0.02  
  Op…                                                                           
  20…                                                                           
  YTD                                                                           
  Re…    $     5.58    $      0.67    $     -0.92    $     0.02    $      5.34  
  Ea…                                                                           
  Per                                                                           
  Sh…                                                                           
  No…                                                                           
  Ea…                                                                           
  Per                                                                           
  Sh…                                                                           
  am…                                                                           
  are                                                                           
  ca…                                                                           
  us…                                                                           
  the                                                                           
  co…                                                                           
  st…                                                                           
  in…                                                                           
  tax                                                                           
  ra…                                                                           
  for                                                                           
  all                                                                           
  dr…                                                                           
  Ba…                                                                           
  we…                                                                           
  av…                                                                           
  sh…                                                                           
  ou…                                                                           
  in…                                                                           
  fr…                                                                           
  777                                                                           
  mi…                                                                           
  to                                                                            
  779                                                                           
  mi…                                                                           
  To…                                                                           
  may                                                                           
  not                                                                           
  fo…                                                                           
  or                                                                            
  cr…                                                                           
  due                                                                           
  to                                                                            
  ro…                                                                           
                                                                                
(a) Includes block and seasonal pricing.

(b) Electric Utilities and Infrastructure includes higher grid modernization
riders and transmission revenues (+$0.10), SB266 impacts (+$0.09), and the DEI
Generation Cost Tracker (+$0.02). Gas Utilities and Infrastructure includes
higher capital riders and higher rates in South Carolina, partially offset by
lower earnings due to the sale of the Tennessee business.

(c) Electric Utilities and Infrastructure includes impacts from DEP North
Carolina Year 3 rates, effective October 2025, and DEP South Carolina rates,
effective February 2026 (+$0.10), DEI Step 2 rates, effective March 2026
(+$0.10), DEC North Carolina Year 3 rates, effective January 2026, and DEC South
Carolina rates, effective March 2026 (+$0.09), DEF Year 2 rates, effective
January 2026 (+$0.08), and DEK rates, effective July 2025 (+$0.02). Gas
Utilities and Infrastructure includes impacts from DEK rates, effective January
2026.

(d) Electric Utilities and Infrastructure includes higher storm costs (-$0.03)
and increased bad debt expense (-$0.02) in the current year.

(e) Electric Utilities and Infrastructure excludes rate case impacts.

(f) Electric Utilities and Infrastructure includes minority interest impacts
(-$0.12) and higher property taxes (-$0.06).
                                       13                                       
                                                                                
  DUKE                                                                          
  ENERGY                                                                        
  CORPOR…                                                                       
  CONDEN…                                                                       
  CONSOL…                                                                       
  STATEM…                                                                       
  OF                                                                            
  OPERAT…                                                                       
  (Unaud…                                                                       
  (In                                                                           
  millio…                                                                       
  except     Three                            Nine                              
  per        Months                           Months                            
  share      Ended                            Ended                             
  amount…    Septem…                          Septemb…                          
  Operat…    30,                              30,                               
  Revenu…    2026              2025           2026                2025          
 ────────────────────────────────────────────────────────────────────────────── 
  Regula…    $        8,677    $     8,106    $         23,583    $     22,138  
  electr…                                                                       
  Regula…                                                                       
  natural               358            361               2,073           1,928  
  gas                                                                           
  Nonreg…                                                                       
  electr…                69             75                 218             233  
  and                                                                           
  other                                                                         
  Total                                                                         
  operat…             9,104          8,542              25,874          24,299  
  revenu…                                                                       
  Operat…                                                                       
  Expens…                                                                       
  Fuel                                                                          
  used in                                                                       
  electr…                                                                       
  genera…             2,738          2,289               7,072           6,266  
  and                                                                           
  purcha…                                                                       
  power                                                                         
  Cost of                                                                       
  natural               117            110                 772             642  
  gas                                                                           
  Operat…                                                                       
  mainte…             1,373          1,762               4,510           4,916  
  and                                                                           
  other                                                                         
  Deprec…                                                                       
  and                 1,709          1,626               5,098           4,721  
  amorti…                                                                       
  Proper…                                                                       
  and                   433            438               1,259           1,281  
  other                                                                         
  taxes                                                                         
  Impair…                                                                       
  of                                                                            
  assets                 -2              —                  47               3  
  and                                                                           
  other                                                                         
  charges                                                                       
  Total                                                                         
  operat…             6,368          6,225              18,758          17,829  
  expens…                                                                       
  Gains                                                                         
  (Losse…                                                                       
  on                                                                            
  Sales                                                                         
  of                     11             17                 405              37  
  Other                                                                         
  Assets                                                                        
  and                                                                           
  Other,                                                                        
  net                                                                           
  Operat…             2,747          2,334               7,521           6,507  
  Income                                                                        
  Other                                                                         
  Income                                                                        
  and                                                                           
  Expens…                                                                       
  Equity                                                                        
  in                                                                            
  earnin…                                                                       
  (losse…                22             16                  39              38  
  of                                                                            
  uncons…                                                                       
  affili…                                                                       
  Other                                                                         
  income                                                                        
  and                   147            182                 483             497  
  expens…                                                                       
  net                                                                           
  Total                                                                         
  other                                                                         
  income                169            198                 522             535  
  and                                                                           
  expens…                                                                       
  Intere…               967            902               2,892           2,688  
  Expense                                                                       
  Income                                                                        
  From                                                                          
  Contin…                                                                       
  Operat…             1,949          1,630               5,151           4,354  
  Before                                                                        
  Income                                                                        
  Taxes                                                                         
  Income                                                                        
  Tax                                                                           
  Expense               299            176                 792             488  
  From                                                                          
  Contin…                                                                       
  Operat…                                                                       
  Income                                                                        
  From                1,650          1,454               4,359           3,866  
  Contin…                                                                       
  Operat…                                                                       
  Income                                                                        
  (Loss)                                                                        
  From                                                                          
  Discon…                 —              —                  13              -1  
  Operat…                                                                       
  net of                                                                        
  tax                                                                           
  Net                 1,650          1,454               4,372           3,865  
  Income                                                                        
  Less:                                                                         
  Net                                                                           
  Income                 85             33                 165              81  
  Attrib…                                                                       
  to NCI                                                                        
  Net                                                                           
  Income                                                                        
  Attrib…             1,565          1,421               4,207           3,784  
  to Duke                                                                       
  Energy                                                                        
  Corpor…                                                                       
  Less:                                                                         
  Prefer…                14             14                  43              41  
  Divide…                                                                       
  Net                                                                           
  Income                                                                        
  Availa…                                                                       
  to Duke    $        1,551    $     1,407    $          4,164    $      3,743  
  Energy                                                                        
  Corpor…                                                                       
  Common                                                                        
  Stockh…                                                                       
  Earnin…                                                                       
  Per                                                                           
  Share –                                                                       
  Basic                                                                         
  and                                                                           
  Diluted                                                                       
  Income                                                                        
  from                                                                          
  contin…                                                                       
  operat…                                                                       
  availa…                                                                       
  to Duke                                                                       
  Energy                                                                        
  Corpor…                                                                       
  common                                                                        
  stockh…                                                                       
  Basic                                                                         
  and        $         1.99    $      1.81    $           5.32    $       4.81  
  Diluted                                                                       
  Income                                                                        
  (loss)                                                                        
  from                                                                          
  discon…                                                                       
  operat…                                                                       
  attrib…                                                                       
  to Duke                                                                       
  Energy                                                                        
  Corpor…                                                                       
  common                                                                        
  stockh…                                                                       
  Basic                                                                         
  and        $            —    $         —    $           0.02    $          —  
  Diluted                                                                       
  Net                                                                           
  income                                                                        
  availa…                                                                       
  to Duke                                                                       
  Energy                                                                        
  Corpor…                                                                       
  common                                                                        
  stockh…                                                                       
  Basic                                                                         
  and        $         1.99    $      1.81    $           5.34    $       4.81  
  Diluted                                                                       
  Weight…                                                                       
  average                                                                       
  shares                                                                        
  outsta…                                                                       
  Basic                                                                         
  and                   780            778                 779             777  
  Diluted                                                                       
                                                                                
                                       14                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                     CONDENSED CONSOLIDATED BALANCE SHEETS                      
                                                                                
                                  (Unaudited)                                   
                                                                                
                                          September 30,           December 31,  
                    (In millions)                  2026                   2025  
 ────────────────────────────────────────────────────────────────────────────── 
  ASSETS                                                                        
  Current Assets                                                                
  Cash and cash                    $                451    $               245  
  equivalents                                                                   
  Receivables (net                                                              
  of allowance for                                                              
  doubtful                                        4,994                  4,230  
  accounts of $213                                                              
  at 2026 and                                                                   
  $194 at 2025)                                                                 
  Inventory                                                                     
  (includes $1,137                                                              
  at 2026 and                                     4,734                  4,569  
  $669 at 2025                                                                  
  related to VIEs)                                                              
  Regulatory                                                                    
  assets (includes                                                              
  $205 at 2026                                    2,563                  1,934  
  and $204 at 2025                                                              
  related to VIEs)                                                              
  Assets held for                                     —                    109  
  sale                                                                          
  Other (includes                                                               
  $86 at 2026 and                                                               
  $88 at                                            644                    526  
  2025 related to                                                               
  VIEs)                                                                         
  Total current                                  13,386                 11,613  
  assets                                                                        
  Property, Plant                                                               
  and Equipment                                                                 
  Cost (includes                                                                
  $6,188 at 2026                                                                
  and $2,913                                    200,880                190,409  
  at 2025 related                                                               
  to VIEs)                                                                      
  Accumulated                                                                   
  depreciation and                                                              
  amortization                                                                  
  (includes ($164)                              -63,127                -60,450  
  at 2026                                                                       
  and ($89) at                                                                  
  2025 related to                                                               
  VIEs)                                                                         
  Net property,                                                                 
  plant and                                     137,753                129,959  
  equipment                                                                     
  Other Noncurrent                                                              
  Assets                                                                        
  Goodwill                                       19,010                 19,010  
  Regulatory                                                                    
  assets (includes                                                              
  $2,970 at                                      14,355                 14,379  
  2026 and $3,108                                                               
  at 2025 related                                                               
  to VIEs)                                                                      
  Nuclear                                                                       
  decommissioning                                13,281                 12,889  
  trust funds                                                                   
  Operating lease                                                               
  right-of-use                                    1,189                  1,241  
  assets, net                                                                   
  Investments in                                                                
  equity method                                     350                    330  
  unconsolidated                                                                
  affiliates                                                                    
  Assets held for                                     —    $             2,148  
  sale                                                                          
  Other                                           4,539                  4,167  
  Total other                                                                   
  noncurrent                                     52,724                 54,164  
  assets                                                                        
  Total Assets                     $            203,863    $           195,736  
  LIABILITIES AND                                                               
  EQUITY                                                                        
  Current                                                                       
  Liabilities                                                                   
  Accounts payable                                                              
  (includes $374                                                                
  at 2026                          $              5,018    $             5,223  
  and $296 at 2025                                                              
  related to VIEs)                                                              
  Notes payable                                                                 
  and commercial                                  2,341                  2,624  
  paper                                                                         
  Taxes accrued                                   1,160                    975  
  Interest accrued                                  842                    922  
  Current                                                                       
  maturities of                                                                 
  long-term debt                                                                
  (includes $167                                  6,116                  7,104  
  at 2026 and $118                                                              
  at 2025                                                                       
  related to VIEs)                                                              
  Asset retirement                                  462                    579  
  obligations                                                                   
  Regulatory                                      1,365                  1,271  
  liabilities                                                                   
  Liabilities                                                                   
  associated with                                     —                     84  
  assets held                                                                   
  for sale                                                                      
  Other                                           2,341                  2,265  
  Total current                                  19,645                 21,047  
  liabilities                                                                   
  Long-Term Debt                                                                
  (includes $3,136                                                              
  at 2026                                        84,332                 80,108  
  and $3,308 at                                                                 
  2025 related to                                                               
  VIEs)                                                                         
  Other Noncurrent                                                              
  Liabilities                                                                   
  Deferred income                                13,740                 12,377  
  taxes                                                                         
  Asset retirement                                8,870                  9,046  
  obligations                                                                   
  Regulatory                                     15,410                 15,682  
  liabilities                                                                   
  Operating lease                                   991                  1,033  
  liabilities                                                                   
  Accrued pension                                                               
  and other                                         340                    396  
  post-retirement                                                               
  benefit costs                                                                 
  Investment tax                                  1,019                    969  
  credits                                                                       
  Liabilities                                                                   
  associated with                                     —    $               170  
  assets held                                                                   
  for sale                                                                      
  Other                                           1,974                  1,889  
  Total other                                                                   
  noncurrent                                     42,344                 41,562  
  liabilities                                                                   
  Commitments and                                                               
  Contingencies                                                                 
  Equity                                                                        
  Preferred stock,                                                              
  Series A, $0.001                                                              
  par                                                                           
  value, 40                                                                     
  million                                                                       
  depositary                                        973                    973  
  shares                                                                        
  authorized and                                                                
  outstanding at                                                                
  2026 and                                                                      
  2025                                                                          
  Common stock,                                                                 
  $0.001 par                                                                    
  value, 2                                                                      
  billion shares                                                                
  authorized; 780                                     1                      1  
  million                                                                       
  and 778 million                                                               
  shares                                                                        
  outstanding at                                                                
  2026 and 2025                                                                 
  Additional                                     47,397                 45,614  
  paid-in capital                                                               
  Retained                                        6,708                  5,056  
  earnings                                                                      
  Accumulated                                                                   
  other                                                                         
  comprehensive                                     298                    198  
  income                                                                        
  (loss)                                                                        
  Total Duke                                                                    
  Energy                                                                        
  Corporation                                    55,377                 51,842  
  stockholders'                                                                 
  equity                                                                        
  Noncontrolling                                  2,165                  1,177  
  Interests                                                                     
  Total equity                                   57,542                 53,019  
  Total                                                                         
  Liabilities and                  $            203,863    $           195,736  
  Equity                                                                        
                                                                                
                                       15                                       
                                                                                
  DUKE ENERGY CORPORATION                                                       
  CONDENSED CONSOLIDATED                                                        
  STATEMENTS OF CASH                                                            
  FLOWS                                                                         
  (Unaudited)                                                                   
  (In millions)              Nine Months Ended                                  
  CASH FLOWS FROM            September 30,                                      
  OPERATING ACTIVITIES       2026                                 2025          
 ────────────────────────────────────────────────────────────────────────────── 
  Net Income                 $                           4,372    $      3,865  
  Adjustments to                                                                
  reconcile net income to                                                       
  net cash provided by                                   3,517           4,807  
  operating                                                                     
  activities                                                                    
  Net cash provided by                                                          
  operating                                              7,889           8,672  
  activities                                                                    
  CASH FLOWS FROM                                                               
  INVESTING ACTIVITIES                                                          
  Net cash used in                                     -10,824          -9,976  
  investing activities                                                          
  CASH FLOWS FROM                                                               
  FINANCING ACTIVITIES                                                          
  Net cash provided by                                                          
  financing                                              3,130           1,622  
  activities                                                                    
  Net increase (decrease)                                                       
  in cash, cash                                            195             318  
  equivalents and                                                               
  restricted cash                                                               
  Cash, cash equivalents                                                        
  and restricted                                           363             421  
  cash at beginning of                                                          
  period                                                                        
  Cash, cash equivalents                                                        
  and restricted             $                             558    $        739  
  cash at end of period                                                         
                                                                                
                                       16                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS                
                                                                                
                                  (Unaudited)                                   
                                                                                
        Th…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
        30,                                                                     
        20…                                                                     
 ────────────────────────────────────────────────────────────────────────────── 
                  El…          Gas                                              
  (…              Ut…          Uti…            Oth…          El…           Du…  
  m…              and          and                                         En…  
                  In…          Inf…                                             
  O…                                                                            
  R…                                                                            
  R…    $    8,…       $    —          $    —        $  -14       $  8,6…       
  e…                                                                            
  R…                                                                            
  n…           —          380               —           -22           358       
  g…                                                                            
  N…                                                                            
  e…          56           10              41           -38            69       
  a…                                                                            
  o…                                                                            
  T…                                                                            
  o…         8,…          390              41           -74          9,1…       
  r…                                                                            
  O…                                                                            
  E…                                                                            
  F…                                                                            
  u…                                                                            
  in                                                                            
  e…         2,…            —               —           -18          2,7…       
  g…                                                                            
  a…                                                                            
  p…                                                                            
  p…                                                                            
  C…                                                                            
  of           —          117               —             —           117       
  n…                                                                            
  g…                                                                            
  O…                                                                            
  m…         1,…          114             -35           -55          1,3…       
  a…                                                                            
  o…                                                                            
  D…                                                                            
  a…         1,…          107              88            -6          1,7…       
  a…                                                                            
  P…                                                                            
  a…         396           35               2             —           433       
  o…                                                                            
  t…                                                                            
  I…                                                                            
  of                                                                            
  a…          -2            —               —             —            -2       
  a…                                                                            
  o…                                                                            
  c…                                                                            
  T…                                                                            
  o…         6,…          373              55           -79          6,3…       
  e…                                                                            
  G…                                                                            
  (…                                                                            
  on                                                                            
  S…                                                                            
  of           6            —               6            -1            11       
  O…                                                                            
  A…                                                                            
  a…                                                                            
  O…                                                                            
  n…                                                                            
  O…                                                                            
  I…         2,…           17              -8             4          2,7…       
  (…                                                                            
  O…                                                                            
  I…                                                                            
  a…                                                                            
  E…                                                                            
  E…                                                                            
  in                                                                            
  e…                                                                            
  (…           —            7              15             —            22       
  of                                                                            
  u…                                                                            
  a…                                                                            
  O…                                                                            
  i…                                                                            
  a…         154           12               2           -21           147       
  e…                                                                            
  n…                                                                            
  T…                                                                            
  O…                                                                            
  I…         154           19              17           -21           169       
  a…                                                                            
  E…                                                                            
  I…         592           63             329           -17           967       
  E…                                                                            
  I…                                                                            
  (…                                                                            
  f…                                                                            
  C…         2,…          -27             -3…             —          1,9…       
  O…                                                                            
  b…                                                                            
  I…                                                                            
  T…                                                                            
  I…                                                                            
  T…                                                                            
  E…                                                                            
  (…         394           -8             -87             —           299       
  f…                                                                            
  C…                                                                            
  O…                                                                            
  I…                                                                            
  (…                                                                            
  f…         1,…          -19             -2…             —          1,6…       
  C…                                                                            
  O…                                                                            
  L…                                                                            
  N…                                                                            
  I…                                                                            
  A…          85            —               —             —            85       
  to                                                                            
  N…                                                                            
  I…                                                                            
  N…                                                                            
  I…                                                                            
  (…                                                                            
  A…         1,…          -19             -2…             —          1,5…       
  to                                                                            
  D…                                                                            
  E…                                                                            
  C…                                                                            
  L…                                                                            
  P…           —            —              14             —            14       
  D…                                                                            
  S…                                                                            
  I…    $    1,…       $  -19          $  -2…        $    —       $  1,5…       
  N…                                                                            
  L…                                                                            
                                                                                
                                       17                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS                
                                                                                
                                  (Unaudited)                                   
                                                                                
        Ni…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
        30,                                                                     
        20…                                                                     
 ────────────────────────────────────────────────────────────────────────────── 
                  El…          Gas                                              
  (…              Ut…          Ut…             Ot…           El…           Du…  
  m…              and          and                                         En…  
                  In…          In…                                              
  O…                                                                            
  R…                                                                            
  R…    $    23…       $    —         $     —       $   -43       $  23,…       
  e…                                                                            
  R…                                                                            
  n…           —          2,…               —           -66          2,0…       
  g…                                                                            
  N…                                                                            
  e…         174           33             123          -112           218       
  a…                                                                            
  o…                                                                            
  T…                                                                            
  o…         23…          2,…             123          -221          25,…       
  r…                                                                            
  O…                                                                            
  E…                                                                            
  F…                                                                            
  u…                                                                            
  in                                                                            
  e…         7,…            —               —           -57          7,0…       
  g…                                                                            
  a…                                                                            
  p…                                                                            
  p…                                                                            
  C…                                                                            
  of           —          772               —             —           772       
  n…                                                                            
  g…                                                                            
  O…                                                                            
  m…         4,…          376            -105          -158          4,5…       
  a…                                                                            
  o…                                                                            
  D…                                                                            
  a…         4,…          332             254           -20          5,0…       
  a…                                                                            
  P…                                                                            
  a…         1,…          120               7             —          1,2…       
  o…                                                                            
  t…                                                                            
  I…                                                                            
  of                                                                            
  a…          47            —               —             —            47       
  a…                                                                            
  o…                                                                            
  c…                                                                            
  T…                                                                            
  o…         17…          1,…             156          -235          18,…       
  e…                                                                            
  G…                                                                            
  (…                                                                            
  on                                                                            
  S…                                                                            
  of          13          374              18             —           405       
  O…                                                                            
  A…                                                                            
  a…                                                                            
  O…                                                                            
  n…                                                                            
  O…                                                                            
  I…         6,…          946             -15            14          7,5…       
  (…                                                                            
  O…                                                                            
  I…                                                                            
  a…                                                                            
  E…                                                                            
  E…                                                                            
  in                                                                            
  e…                                                                            
  (…           —           17              22             —            39       
  of                                                                            
  u…                                                                            
  a…                                                                            
  O…                                                                            
  i…                                                                            
  a…         446           40              66           -69           483       
  e…                                                                            
  n…                                                                            
  T…                                                                            
  O…                                                                            
  I…         446           57              88           -69           522       
  a…                                                                            
  E…                                                                            
  I…         1,…          191             991           -55          2,8…       
  E…                                                                            
  I…                                                                            
  (…                                                                            
  f…                                                                            
  C…         5,…          812            -918             —          5,1…       
  O…                                                                            
  b…                                                                            
  I…                                                                            
  T…                                                                            
  I…                                                                            
  T…                                                                            
  E…                                                                            
  (…         750          289            -247             —           792       
  f…                                                                            
  C…                                                                            
  O…                                                                            
  I…                                                                            
  (…                                                                            
  f…         4,…          523            -671             —          4,3…       
  C…                                                                            
  O…                                                                            
  L…                                                                            
  N…                                                                            
  I…                                                                            
  A…         165            —               —             —           165       
  to                                                                            
  N…                                                                            
  I…                                                                            
  N…                                                                            
  I…                                                                            
  (…                                                                            
  A…         4,…          523            -671             —          4,1…       
  to                                                                            
  D…                                                                            
  E…                                                                            
  C…                                                                            
  L…                                                                            
  P…           —            —              43             —            43       
  D…                                                                            
  S…                                                                            
  I…    $    4,…       $  523         $  -714       $     —       $  4,1…       
  N…                                                                            
  L…                                                                            
  D…                                                                   13       
  O…                                                                            
  N…                                                                            
  I…                                                                            
  A…                                                                            
  to                                                                            
  D…                                                              $  4,1…       
  E…                                                                            
  C…                                                                            
  C…                                                                            
  S…                                                                            
  S…                                                                            
  I…    $    4,…       $  523         $  -714       $     —       $  4,1…       
  N…                                                                            
  L…                                                                            
  S…         189          -1…               —             —            18       
  I…                                                                            
  A…    $    4,…       $  352         $  -714       $     —       $  4,1…       
  E…                                                                            
                                                                                
(a) See Reported to Adjusted Earnings Reconciliation for a detailed
reconciliation of Segment Income/Other Net Loss to Adjusted Earnings.
                                       18                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS                
                                                                                
                                  (Unaudited)                                   
                                                                                
        Th…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
        30,                                                                     
        20…                                                                     
 ────────────────────────────────────────────────────────────────────────────── 
                  El…          Gas                                              
  (…              Ut…          Uti…            Oth…          El…           Du…  
  m…              and          and                                         En…  
                  In…          Inf…                                             
  O…                                                                            
  R…                                                                            
  R…    $    8,…       $    —          $    —        $  -16       $  8,1…       
  e…                                                                            
  R…                                                                            
  n…           —          384               —           -23           361       
  g…                                                                            
  N…                                                                            
  e…          58           10              40           -33            75       
  a…                                                                            
  o…                                                                            
  T…                                                                            
  o…         8,…          394              40           -72          8,5…       
  r…                                                                            
  O…                                                                            
  E…                                                                            
  F…                                                                            
  u…                                                                            
  in                                                                            
  e…         2,…            —               —           -20          2,2…       
  g…                                                                            
  a…                                                                            
  p…                                                                            
  p…                                                                            
  C…                                                                            
  of           —          110               —             —           110       
  n…                                                                            
  g…                                                                            
  O…                                                                            
  m…         1,…          125             -38           -53          1,7…       
  a…                                                                            
  o…                                                                            
  D…                                                                            
  a…         1,…          106              79            -7          1,6…       
  a…                                                                            
  P…                                                                            
  a…         394           41               2             1           438       
  o…                                                                            
  t…                                                                            
  I…                                                                            
  of                                                                            
  a…          -1            —               —             1             —       
  a…                                                                            
  o…                                                                            
  c…                                                                            
  T…                                                                            
  o…         5,…          382              43           -78          6,2…       
  e…                                                                            
  G…                                                                            
  (…                                                                            
  on                                                                            
  S…                                                                            
  of          12            —               5             —            17       
  O…                                                                            
  A…                                                                            
  a…                                                                            
  O…                                                                            
  n…                                                                            
  O…                                                                            
  I…         2,…           12               2             6          2,3…       
  (…                                                                            
  O…                                                                            
  I…                                                                            
  a…                                                                            
  E…                                                                            
  E…                                                                            
  in                                                                            
  e…                                                                            
  (…           —            5              12            -1            16       
  of                                                                            
  u…                                                                            
  a…                                                                            
  O…                                                                            
  i…                                                                            
  a…         164           14              28           -24           182       
  e…                                                                            
  n…                                                                            
  T…                                                                            
  O…                                                                            
  I…         164           19              40           -25           198       
  a…                                                                            
  E…                                                                            
  I…         522           67             332           -19           902       
  E…                                                                            
  I…                                                                            
  (…                                                                            
  f…                                                                            
  C…         1,…          -36             -2…             —          1,6…       
  O…                                                                            
  b…                                                                            
  I…                                                                            
  T…                                                                            
  I…                                                                            
  T…                                                                            
  E…                                                                            
  (…         264          -10             -79             1           176       
  f…                                                                            
  C…                                                                            
  O…                                                                            
  I…                                                                            
  (…                                                                            
  f…         1,…          -26             -2…            -1          1,4…       
  C…                                                                            
  O…                                                                            
  L…                                                                            
  N…                                                                            
  I…                                                                            
  A…          34            —               —            -1            33       
  to                                                                            
  N…                                                                            
  I…                                                                            
  N…                                                                            
  I…                                                                            
  (…                                                                            
  A…         1,…          -26             -2…             —          1,4…       
  to                                                                            
  D…                                                                            
  E…                                                                            
  C…                                                                            
  L…                                                                            
  P…           —            —              14             —            14       
  D…                                                                            
  S…                                                                            
  I…    $    1,…       $  -26          $  -2…        $    —       $  1,4…       
  N…                                                                            
  L…                                                                            
                                                                                
                                       19                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS                
                                                                                
                                  (Unaudited)                                   
                                                                                
        Ni…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
        30,                                                                     
        20…                                                                     
 ────────────────────────────────────────────────────────────────────────────── 
                  El…          Gas                                              
  (…              Ut…          Ut…             Ot…           El…           Du…  
  m…              and          and                                         En…  
                  In…          In…                                              
  O…                                                                            
  R…                                                                            
  R…    $    22…       $    —         $     —       $   -45       $  22,…       
  e…                                                                            
  R…                                                                            
  n…           —          1,…               —           -68          1,9…       
  g…                                                                            
  N…                                                                            
  e…         182           31             122          -102           233       
  a…                                                                            
  o…                                                                            
  T…                                                                            
  o…         22…          2,…             122          -215          24,…       
  r…                                                                            
  O…                                                                            
  E…                                                                            
  F…                                                                            
  u…                                                                            
  in                                                                            
  e…         6,…            —               —           -60          6,2…       
  g…                                                                            
  a…                                                                            
  p…                                                                            
  p…                                                                            
  C…                                                                            
  of           —          642               —             —           642       
  n…                                                                            
  g…                                                                            
  O…                                                                            
  m…         4,…          379             -59          -150          4,9…       
  a…                                                                            
  o…                                                                            
  D…                                                                            
  a…         4,…          325             233           -21          4,7…       
  a…                                                                            
  P…                                                                            
  a…         1,…          129               8             1          1,2…       
  o…                                                                            
  t…                                                                            
  I…                                                                            
  of                                                                            
  a…          -2            —               5             —             3       
  a…                                                                            
  o…                                                                            
  c…                                                                            
  T…                                                                            
  o…         16…          1,…             187          -230          17,…       
  e…                                                                            
  G…                                                                            
  (…                                                                            
  on                                                                            
  S…                                                                            
  of          21            —              16             —            37       
  O…                                                                            
  A…                                                                            
  a…                                                                            
  O…                                                                            
  n…                                                                            
  O…                                                                            
  I…         5,…          552             -49            15          6,5…       
  (…                                                                            
  O…                                                                            
  I…                                                                            
  a…                                                                            
  E…                                                                            
  E…                                                                            
  in                                                                            
  e…                                                                            
  (…           —           11              27             —            38       
  of                                                                            
  u…                                                                            
  a…                                                                            
  O…                                                                            
  i…                                                                            
  a…         461           40              75           -79           497       
  e…                                                                            
  n…                                                                            
  T…                                                                            
  O…                                                                            
  I…         461           51             102           -79           535       
  a…                                                                            
  E…                                                                            
  I…         1,…          197             968           -64          2,6…       
  E…                                                                            
  I…                                                                            
  (…                                                                            
  F…                                                                            
  C…         4,…          406            -915             —          4,3…       
  O…                                                                            
  B…                                                                            
  I…                                                                            
  T…                                                                            
  I…                                                                            
  T…                                                                            
  E…                                                                            
  (…         653           77            -243             1           488       
  f…                                                                            
  C…                                                                            
  O…                                                                            
  I…                                                                            
  (…                                                                            
  f…         4,…          329            -672            -1          3,8…       
  C…                                                                            
  O…                                                                            
  L…                                                                            
  N…                                                                            
  I…                                                                            
  A…          82            —               —            -1            81       
  to                                                                            
  N…                                                                            
  I…                                                                            
  N…                                                                            
  I…                                                                            
  (…                                                                            
  A…         4,…          329            -672             —          3,7…       
  to                                                                            
  D…                                                                            
  E…                                                                            
  C…                                                                            
  L…                                                                            
  P…           —            —              41             —            41       
  D…                                                                            
  L…                                                                            
  P…           —            —               —             —             —       
  R…                                                                            
  C…                                                                            
  S…                                                                            
  I…    $    4,…       $  329         $  -713       $     —       $  3,7…       
  N…                                                                            
  L…                                                                            
  D…                                                                   -1       
  O…                                                                            
  N…                                                                            
  I…                                                                            
  A…                                                                            
  to                                                                            
  D…                                                              $  3,7…       
  E…                                                                            
  C…                                                                            
  C…                                                                            
  S…                                                                            
                                                                                
                                       20                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
                                                                                
                CONDENSED CONSOLIDATING BALANCE SHEETS – ASSETS                 
                                                                                
                                  (Unaudited)                                   
                                                                                
        Sep…                                                                    
        30,                                                                     
        2026                                                                    
 ────────────────────────────────────────────────────────────────────────────── 
                   Ele…          Gas                                            
  (…               Uti…          Uti…  Ot…                  Eli…          Duke  
  m…               and           and                        Adj…          Ene…  
                   Inf…          Inf…                                           
  C…                                                                            
  A…                                                                            
  C…                                                                            
  a…    $     105        $    9        $     337    $    —        $  451        
  c…                                                                            
  e…                                                                            
  R…          4,…           217                6         —           4,…        
  n…                                                                            
  R…                                                                            
  f…          208           108             1,2…       -1…             —        
  a…                                                                            
  c…                                                                            
  N…                                                                            
  r…                                                                            
  f…          929             —               85       -1…             —        
  a…                                                                            
  c…                                                                            
  I…          4,…           122               35         —           4,…        
  R…          2,…           152               85         —           2,…        
  a…                                                                            
  O…          512            42              127       -37           644        
  T…                                                                            
  c…          13…           650             1,9…       -2…           13…        
  a…                                                                            
  P…                                                                            
  P…                                                                            
  a…                                                                            
  E…                                                                            
  C…          18…           17…             2,4…       -68           20…        
  A…                                                                            
  d…          -5…           -3…             -1,…        -1           -6…        
  a…                                                                            
  a…                                                                            
  N…                                                                            
  p…                                                                            
  p…          12…           13…             1,4…       -69           13…        
  a…                                                                            
  e…                                                                            
  O…                                                                            
  N…                                                                            
  A…                                                                            
  G…          17…           1,…                —         —           19…        
  R…          13…           665              455         1           14…        
  a…                                                                            
  N…                                                                            
  d…          13…             —                —         —           13…        
  t…                                                                            
  f…                                                                            
  O…                                                                            
  l…                                                                            
  r…          639             1              549         —           1,…        
  a…                                                                            
  n…                                                                            
  I…                                                                            
  in                                                                            
  e…            1           184              165         —           350        
  m…                                                                            
  u…                                                                            
  a…                                                                            
  I…                                                                            
  in          598             6             82,…       -8…             —        
  c…                                                                            
  s…                                                                            
  O…          2,…           340             1,9…       -6…           4,…        
  T…                                                                            
  o…          47…           2,…             85,…       -8…           52…        
  n…                                                                            
  a…                                                                            
  T…          18…           17…             89,…       -8…           20…        
  A…                                                                            
  S…                                                                            
  r…                                                                            
  i…          -1…           -1…             -84…       86…             —        
  b…                                                                            
  a…                                                                            
  o…                                                                            
  S…    $     18…        $  17…        $    4,5…    $    —        $  20…        
  A…                                                                            
                                                                                
                                       21                                       
                                                                                
                            DUKE ENERGY CORPORATION                             
                                                                                
        CONDENSED CONSOLIDATING BALANCE SHEETS – LIABILITIES AND EQUITY         
                                                                                
                                  (Unaudited)                                   
                                                                                
        Se…                                                                     
        30,                                                                     
        20…                                                                     
 ────────────────────────────────────────────────────────────────────────────── 
                  El…          Gas                                              
  (…              Ut…          Uti…    Ot…                  Eli…          Duke  
  m…              and          and                          Adj…          Ene…  
                  In…          Inf…                                             
  C…                                                                            
  L…                                                                            
  A…    $    3,…       $  306          $     887    $    —        $  5,…        
  p…                                                                            
  A…                                                                            
  p…                                                                            
  to         825           47                549       -1…             —        
  a…                                                                            
  c…                                                                            
  N…                                                                            
  p…                                                                            
  to          47          542                426       -1…             —        
  a…                                                                            
  c…                                                                            
  N…                                                                            
  p…                                                                            
  a…           —            —               2,3…         —           2,…        
  c…                                                                            
  p…                                                                            
  T…         1,…           69                -31        11           1,…        
  a…                                                                            
  I…         563           58                221         —           842        
  a…                                                                            
  C…                                                                            
  m…                                                                            
  of         3,…          376               1,7…        -8           6,…        
  l…                                                                            
  d…                                                                            
  A…                                                                            
  r…         462            —                  —         —           462        
  o…                                                                            
  R…         1,…           71                  —         —           1,…        
  l…                                                                            
  O…         1,…           82                712       -1…           2,…        
  T…                                                                            
  c…         13…          1,…               6,8…       -2…           19…        
  l…                                                                            
  L…         53…          4,…               26,…       -60           84…        
  D…                                                                            
  L…                                                                            
  D…                                                                            
  P…         618            7                  —       -6…             —        
  to                                                                            
  A…                                                                            
  C…                                                                            
  O…                                                                            
  N…                                                                            
  L…                                                                            
  D…                                                                            
  i…         13…          1,…               -1,…        -4           13…        
  t…                                                                            
  A…                                                                            
  r…         8,…           95                  —         —           8,…        
  o…                                                                            
  R…         14…          1,…                 27         —           15…        
  l…                                                                            
  O…                                                                            
  l…         585            1                405         —           991        
  l…                                                                            
  A…                                                                            
  p…                                                                            
  a…                                                                            
  o…         -67           29                379        -1           340        
  p…                                                                            
  b…                                                                            
  c…                                                                            
  I…                                                                            
  t…         1,…            —                  —         1           1,…        
  c…                                                                            
  O…         1,…          121                679       -1…           1,…        
  T…                                                                            
  o…         39…          2,…                -31       -1…           42…        
  n…                                                                            
  l…                                                                            
  E…                                                                            
  T…                                                                            
  D…                                                                            
  E…         73…          8,…               56,…       -8…           55…        
  C…                                                                            
  s…                                                                            
  e…                                                                            
  N…         2,…            2                  —         —           2,…        
  i…                                                                            
  T…         75…          8,…               56,…       -8…           57…        
  e…                                                                            
  T…                                                                            
  L…         18…          17…               89,…       -8…           20…        
  a…                                                                            
  E…                                                                            
  S…                                                                            
  r…                                                                            
  i…         -1…          -1…               -84…       86…             —        
  b…                                                                            
  a…                                                                            
  o…                                                                            
  S…                                                                            
  L…    $    18…       $  17…          $    4,5…    $    —        $  20…        
  a…                                                                            
  E…                                                                            
                                                                                
                                       22                                       
                                                                                
                     ELECTRIC UTILITIES AND INFRASTRUCTURE                      
                                                                                
                                                                                
                     CONDENSED CONSOLIDATING SEGMENT INCOME                     
                                                                                
                                  (Unaudited)                                   
                                                                                
       T…                                                                       
       M…                                                                       
       E…                                                                       
       S…                                                                       
       3…                                                                       
       2…                                                                       
 ────────────────────────────────────────────────────────────────────────────── 
               D…         D…         D…  …              D…                  E…  
  …            E…         E…         E…  …              E…        E…        U…  
  …            C…         P…         F…  …              I…        O…        a…  
                                                                            I…  
  …    $   3…      $  2…      $  1…      $  5…    $  …      $  …      $  …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        9…         8…         5…         1…       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        4…         3…         2…         1…       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        5…         3…         3…         84       …         3         …      
  …                                                                             
  …                                                                             
  …        1…         53         1…         93       …         —         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —         -2          —          —       —         —         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        2…         1…         1…         4…       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         3          —          2          2       —         …         6      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        9…         6…         6…         1…       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        85         42         20          2       9         …         …      
  …                                                                             
  …                                                                             
  …        2…         1…         1…         35       …         …         …      
  …                                                                             
  …                                                                             
  …        8…         5…         5…         99       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         1…         89         18       …         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —          —          —       —         …         …      
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   7…      $  4…      $  4…      $  81    $  …      $  …      $  …      
  …                                                                             
                                                                                
(a) Includes results of the wholly owned subsidiary, Duke Energy Kentucky.

(b) Includes an equity component of allowance for funds used during construction
of $51 million for Duke Energy Carolinas, $32 million for Duke Energy Progress,
$5 million for Duke Energy Florida, $2 million for Duke Energy Ohio and $7
million for Duke Energy Indiana.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida
Progress.
                                       23                                       
                                                                                
                     ELECTRIC UTILITIES AND INFRASTRUCTURE                      
                                                                                
                                                                                
                     CONDENSED CONSOLIDATING SEGMENT INCOME                     
                                                                                
                                  (Unaudited)                                   
                                                                                
       N…                                                                       
       M…                                                                       
       E…                                                                       
       S…                                                                       
       3…                                                                       
       2…                                                                       
 ────────────────────────────────────────────────────────────────────────────── 
               D…         D…         D…  D…              …                   …  
  …            E…         E…         E…  E…              …         …         …  
  …            C…         P…         F…  O…              …         …         …  
                                                                             …  
  …    $   8…      $  6…      $  5…      $   …    $  2…     $  -…     $  2…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        2…         2…         1…          …       1…        -…        7…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         1…         7…          …       5…        13        4…     
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         1…         9…          …       6…        11        4…     
  …                                                                             
  …                                                                             
  …        2…         1…         3…          …       48         —        1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        27         20          —          —        —         —        47     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        5…         4…         3…          …       2…        -…        1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         5          1          5          2        —         —        13     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        2…         1…         1…          …       7…         2        6…     
  …                                                                             
  …                                                                             
  …                                                                             
  …        2…         1…         53          …       33        -9        4…     
  …                                                                             
  …                                                                             
  …        6…         4…         3…          …       2…        -…        1…     
  …                                                                             
  …                                                                             
  …        1…         1…         1…          …       5…        19        5…     
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         1…         2…          …       77         7        7…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —          —          —        —        1…        1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   1…      $  1…      $  1…      $   …    $  4…     $  -…     $  4…     
  …                                                                             
                                                                                
(a) Includes results of the wholly owned subsidiary, Duke Energy Kentucky.

(b) Includes an equity component of allowance for funds used during construction
of $136 million for Duke Energy Carolinas, $90 million for Duke Energy Progress,
$11 million for Duke Energy Florida, $9 million for Duke Energy Ohio and $23
million for Duke Energy Indiana.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida
Progress.
                                       24                                       
                                                                                
                     ELECTRIC UTILITIES AND INFRASTRUCTURE                      
                                                                                
                                                                                
                CONDENSED CONSOLIDATING BALANCE SHEETS – ASSETS                 
                                                                                
                                  (Unaudited)                                   
                                                                                
       S…                                                                       
       3…                                                                       
       2…                                                                       
 ────────────────────────────────────────────────────────────────────────────── 
               D…         D…         D…  D…               …                  …  
  …            E…         E…         E…  E…               …  E…              …  
  …            C…         P…         F…  O…               …  A…              …  
                                                                             …  
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   22      $  37      $  21      $    9    $  16     $   —    $  1…     
  …                                                                             
  …                                                                             
  …        1…         1…         7…          3…       5…         …       4…     
  …                                                                             
  …                                                                             
  …        2…         43         67          44       31         …       2…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         4…          —           —        —         …       9…     
  …                                                                             
  …                                                                             
  …        1…         1…         9…          1…       6…         …       4…     
  …        1…         7…         1…          25       2…         …       2…     
  …                                                                             
  …        78         1…         1…          24       1…         …       5…     
  …                                                                             
  …        5…         3…         2…          6…       1…         …       1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        6…         4…         3…          9…       2…         …       1…     
  …                                                                             
  …        -…         -…         -…          -…       -…         …       -…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        4…         2…         2…          7…       1…         …       1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —          —          5…        —         …       1…     
  …        4…         4…         2…          3…       9…         …       1…     
  …                                                                             
  …                                                                             
  …        7…         5…         2…           —        —         …       1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        80         3…         1…           4       28         1       6…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —          1           —        —         —        1     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        55         10          3          5…        1         —       5…     
  …                                                                             
  …                                                                             
  …        1…         7…         6…          96       2…         …       2…     
  …                                                                             
  …        1…         1…         3…          1…       1…         …       4…     
  …                                                                             
  …                                                                             
  …        6…         4…         3…          9…       1…         …       1…     
  …                                                                             
  …                                                                             
  …                                                                             
  …        -…         -…         -…          -…       -…         …       -…     
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   6…      $  4…      $  3…      $   8…    $  1…     $   …    $  1…     
  …                                                                             
                                                                                
(a) Includes balances of the wholly owned subsidiary Duke Energy Kentucky.

(b) Includes the elimination of intercompany balances, purchase accounting
adjustments, and Duke Energy Indiana Holdco, LLC balances.
                                       25                                       
                                                                                
                     ELECTRIC UTILITIES AND INFRASTRUCTURE                      
                                                                                
        CONDENSED CONSOLIDATING BALANCE SHEETS – LIABILITIES AND EQUITY         
                                                                                
                                  (Unaudited)                                   
                                                                                
       S…                                                                       
       3…                                                                       
       2…                                                                       
 ────────────────────────────────────────────────────────────────────────────── 
               D…         D…         D…  D…              D…                 E…  
  …            E…         E…         E…  E…              E…  …              U…  
  …            C…         P…         F…  O…              I…                 a…  
                                                                            I…  
  …                                                                             
  …                                                                             
  …    $   1…      $  9…      $  6…      $   3…    $  …      $   4    $  …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        3…         3…         1…          16       …         -…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —         5…          78       …         -…       …      
  …                                                                             
  …                                                                             
  …        3…         1…         2…          3…       …         -3       …      
  …                                                                             
  …        2…         91         1…          45       …          —       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         9…         1…          42       …         -…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        1…         1…          1           6       …          —       …      
  …                                                                             
  …        6…         3…         89          69       …          —       …      
  …                                                                             
  …        6…         4…         3…          1…       …         -1       …      
  …                                                                             
  …        5…         3…         3…          9…       …         -…       …      
  …                                                                             
  …        2…         1…         1…          3…       …         3…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …        3…         1…          —          18       …          —       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        4…         3…         3…          9…       …         62       …      
  …                                                                             
  …                                                                             
  …        3…         3…         1…          88       …         1…       …      
  …                                                                             
  …        8…         4…         8…          2…       …         -…       …      
  …                                                                             
  …                                                                             
  …        72         3…         1…           4       …         -1       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …         8         1…         81          66       …         -…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        3…         2…         2…           5       …          1       …      
  …                                                                             
  …        7…         4…         1…          59       …         -…       …      
  …                                                                             
  …        1…         1…         4…          1…       …         -…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        2…         1…         1…          3…       …         1…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …         —          —          —           —       —         2…       …      
  …                                                                             
  …        2…         1…         1…          3…       …         1…       …      
  …                                                                             
  …                                                                             
  …        6…         4…         3…          9…       …         1…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …        -…         -…         -…          -…       …         8…       …      
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …    $   6…      $  4…      $  3…      $   8…    $  …      $  1…    $  …      
  …                                                                             
  …                                                                             
                                                                                
(a) Includes balances of the wholly owned subsidiary Duke Energy Kentucky.

(b) Includes the elimination of intercompany balances, purchase accounting
adjustments and Duke Energy Indiana Holdco, LLC balances.

(c) Includes a noncontrolling interest in Duke Energy Indiana and Florida
Progress.
                                       26                                       
                                                                                
                        GAS UTILITIES AND INFRASTRUCTURE                        
                                                                                
                                                                                
                     CONDENSED CONSOLIDATING SEGMENT INCOME                     
                                                                                
                                  (Unaudited)                                   
                                                                                
          Three                                                                 
          Mont…                                                                 
          Ended                                                                 
          Sept…                                                                 
          30,                                                                   
          2026                                                                  
 ────────────────────────────────────────────────────────────────────────────── 
                        Pied…         Mids…                              Gas    
  (In     Duke          Natu…         Pipe…               Elim…          Util…  
  mil…    Ener…         Gas           and                 Adju…          and    
                        LDC           Stor…                              Infr…  
  Ope…    $      127    $      259    $       4    $   —         $  390         
  Rev…                                                                          
  Ope…                                                                          
  Exp…                                                                          
  Cost                                                                          
  of              15           102            —        —            117         
  nat…                                                                          
  gas                                                                           
  Ope…                                                                          
  mai…            31            80            2        1            114         
  and                                                                           
  oth…                                                                          
  Dep…                                                                          
  and             36            69            1        1            107         
  amo…                                                                          
  Pro…                                                                          
  and             23            13            —       -1             35         
  oth…                                                                          
  tax…                                                                          
  Tot…                                                                          
  ope…           105           264            3        1            373         
  exp…                                                                          
  Gai…                                                                          
  (Lo…                                                                          
  on                                                                            
  Sal…                                                                          
  of               —             —           -1        1              —         
  Oth…                                                                          
  Ass…                                                                          
  and                                                                           
  Oth…                                                                          
  net                                                                           
  Ope…                                                                          
  Inc…            22            -5            —        —             17         
  (Lo…                                                                          
  Oth…                                                                          
  Inc…                                                                          
  and                                                                           
  Exp…                                                                          
  Equ…                                                                          
  in                                                                            
  ear…                                                                          
  (lo…             —             —            7        —              7         
  of                                                                            
  unc…                                                                          
  aff…                                                                          
  Oth…                                                                          
  inc…                                                                          
  and              1            10            —        1             12         
  exp…                                                                          
  net                                                                           
  Tot…                                                                          
  oth…                                                                          
  inc…             1            10            7        1             19         
  and                                                                           
  exp…                                                                          
  Int…            20            44            —       -1             63         
  Exp…                                                                          
  Inc…                                                                          
  (Lo…                                                                          
  Bef…             3           -39            7        2            -27         
  Inc…                                                                          
  Tax…                                                                          
  Inc…                                                                          
  Tax             -1           -11            2        2             -8         
  Exp…                                                                          
  (Be…                                                                          
  Seg…                                                                          
  Inc…    $        4    $      -28    $       5    $   —         $  -19         
  (Lo…                                                                          
                                                                                
(a) Includes results of the wholly owned subsidiary Duke Energy Kentucky.

(b) Primarily earnings from investments in Sabal Trail and Cardinal pipelines,
as well as Hardy and Pine Needle storage facilities.
                                       27                                       
                                                                                
                        GAS UTILITIES AND INFRASTRUCTURE                        
                                                                                
                                                                                
                     CONDENSED CONSOLIDATING SEGMENT INCOME                     
                                                                                
                                  (Unaudited)                                   
                                                                                
         Nine                                                                   
         Mon…                                                                   
         End…                                                                   
         Sep…                                                                   
         30,                                                                    
         2026                                                                   
 ────────────────────────────────────────────────────────────────────────────── 
         Duke         Pie…          Mids…                                 Gas   
  (In    Ene…         Nat…          Pipe…                 Eli…            Uti…  
  mi…    Ohi…         Gas           and                   Adj…            and   
                      LDC           Stor…                                 Inf…  
  Op…    $     601    $     1,5…    $      13    $     —        $  2,172        
  Re…                                                                           
  Op…                                                                           
  Ex…                                                                           
  Co…                                                                           
  of           169           603            —          —             772        
  na…                                                                           
  gas                                                                           
  Op…                                                                           
  ma…          107           260            8          1             376        
  and                                                                           
  ot…                                                                           
  De…                                                                           
  and          115           212            4          1             332        
  am…                                                                           
  Pr…                                                                           
  and           78            43            —         -1             120        
  ot…                                                                           
  ta…                                                                           
  To…                                                                           
  op…          469          1,1…           12          1           1,600        
  ex…                                                                           
  Ga…                                                                           
  (L…                                                                           
  on                                                                            
  Sa…                                                                           
  of             —           652            5       -283             374        
  Ot…                                                                           
  As…                                                                           
  and                                                                           
  Ot…                                                                           
  ne…                                                                           
  Op…                                                                           
  In…          132          1,0…            6       -284             946        
  (L…                                                                           
  Ot…                                                                           
  In…                                                                           
  and                                                                           
  Ex…                                                                           
  net                                                                           
  Eq…                                                                           
  in                                                                            
  ea…                                                                           
  (l…            —             —           17          —              17        
  of                                                                            
  un…                                                                           
  af…                                                                           
  Ot…                                                                           
  in…                                                                           
  and            4            35            —          1              40        
  ex…                                                                           
  net                                                                           
  Ot…                                                                           
  In…                                                                           
  and            4            35           17          1              57        
  Ex…                                                                           
  net                                                                           
  In…           57           133            2         -1             191        
  Ex…                                                                           
  In…                                                                           
  (L…                                                                           
  Be…           79           994           21       -282             812        
  In…                                                                           
  Ta…                                                                           
  In…                                                                           
  Tax           16           248           23          2             289        
  Ex…                                                                           
  (B…                                                                           
  Se…                                                                           
  In…    $      63    $      746    $      -2    $  -284        $    523        
  (L…                                                                           
                                                                                
(a) Includes results of the wholly owned subsidiary Duke Energy Kentucky.

(b) Includes earnings from investments in Sabal Trail and Cardinal pipelines, as
well as Hardy and Pine Needle storage facilities.

(c) The gain on sale is $284 million lower at the Gas Utilities and
Infrastructure segment level due to higher allocated goodwill related to the
Piedmont Tennessee Disposal Group than at Piedmont Natural Gas LDC.
                                       28                                       
                                                                                
                        GAS UTILITIES AND INFRASTRUCTURE                        
                                                                                
                                                                                
                CONDENSED CONSOLIDATING BALANCE SHEETS – ASSETS                 
                                                                                
                                  (Unaudited)                                   
                                                                                
         Sep…                                                                   
         30,                                                                    
         2026                                                                   
 ────────────────────────────────────────────────────────────────────────────── 
         Duke                   Pie…           Mid…                        Gas  
  (In    Ene…                   Nat…           Pip…  Eli…                  Ut…  
  mi…    Ohi…                   Gas            and                         and  
                                LDC            Sto…                        In…  
  Cu…                                                                           
  As…                                                                           
  Ca…                                                                           
  and    $        4    $     1        $     4        $       —    $     9       
  ca…                                                                           
  eq…                                                                           
  Re…            58        160              —               -1        217       
  net                                                                           
  Re…                                                                           
  fr…             —        128             72              -92        108       
  af…                                                                           
  co…                                                                           
  In…            70         52              —                —        122       
  Re…            78         74              —                —        152       
  as…                                                                           
  Ot…             —         37              4                1         42       
  To…                                                                           
  cu…           210        452             80              -92        650       
  as…                                                                           
  Pr…                                                                           
  Pl…                                                                           
  and                                                                           
  Eq…                                                                           
  Co…          5,2…       11,…             75                —       17,…       
  Ac…                                                                           
  de…          -1,…       -2,…            -17                —       -3,…       
  and                                                                           
  am…                                                                           
  Net                                                                           
  pr…                                                                           
  pl…          3,9…       9,6…             58                —       13,…       
  and                                                                           
  eq…                                                                           
  Ot…                                                                           
  No…                                                                           
  As…                                                                           
  Go…           324         39              —              1,…       1,6…       
  Re…           326        290              —               49        665       
  as…                                                                           
  Op…                                                                           
  le…                                                                           
  ri…             —          1              —                —          1       
  as…                                                                           
  net                                                                           
  In…                                                                           
  in                                                                            
  eq…             —          —            179                5        184       
  me…                                                                           
  un…                                                                           
  af…                                                                           
  In…                                                                           
  in              —          —              —                6          6       
  co…                                                                           
  su…                                                                           
  Ot…            30        293             16                1        340       
  To…                                                                           
  ot…           680        623            195              1,…       2,8…       
  no…                                                                           
  as…                                                                           
  To…          4,8…       10,…            333              1,…       17,…       
  As…                                                                           
  Se…                                                                           
  re…                                                                           
  in…             —       -129           -102              115       -116       
  ba…                                                                           
  and                                                                           
  ot…                                                                           
  Re…                                                                           
  Se…    $     4,8…    $  10,…        $   231        $     1,…    $  17,…       
  As…                                                                           
                                                                                
(a) Includes balances of the wholly owned subsidiary Duke Energy Kentucky.

(b) Includes the elimination of intercompany balances and purchase accounting
adjustments.
                                       29                                       
                                                                                
                        GAS UTILITIES AND INFRASTRUCTURE                        
                                                                                
        CONDENSED CONSOLIDATING BALANCE SHEETS – LIABILITIES AND EQUITY         
                                                                                
                                  (Unaudited)                                   
                                                                                
         Sep…                                                                   
         30,                                                                    
         2026                                                                   
 ────────────────────────────────────────────────────────────────────────────── 
         Duke                   Pie…           Mid…                        Gas  
  (In    Ene…                   Nat…           Pip…  Eli…                  Ut…  
  mi…    Ohi…                   Gas            and   Adj…                  and  
                                LDC            Sto…                        In…  
  Cu…                                                                           
  Li…                                                                           
  Ac…    $       66    $   230        $     9        $       1    $   306       
  pa…                                                                           
  Ac…                                                                           
  pa…                                                                           
  to              3        124             11              -91         47       
  af…                                                                           
  co…                                                                           
  No…                                                                           
  pa…                                                                           
  to             44        498              —                —        542       
  af…                                                                           
  co…                                                                           
  Ta…             5         59              5                —         69       
  ac…                                                                           
  In…            11         48              —               -1         58       
  ac…                                                                           
  Cu…                                                                           
  ma…                                                                           
  of             35        340              —                1        376       
  lo…                                                                           
  de…                                                                           
  Re…            20         51              —                —         71       
  li…                                                                           
  Ot…             6         75              2               -1         82       
  To…                                                                           
  cu…           190       1,4…             27              -91       1,5…       
  li…                                                                           
  Lo…           843       3,4…             52               38       4,3…       
  De…                                                                           
  Lo…                                                                           
  De…                                                                           
  Pa…             7          —              —                —          7       
  to                                                                            
  Af…                                                                           
  Co…                                                                           
  Ot…                                                                           
  No…                                                                           
  Li…                                                                           
  De…                                                                           
  in…           501        892             50                2       1,4…       
  ta…                                                                           
  As…                                                                           
  re…            69         26              —                —         95       
  ob…                                                                           
  Re…           223        784              —               11       1,0…       
  li…                                                                           
  Op…                                                                           
  le…             —          1              —                —          1       
  li…                                                                           
  Ac…                                                                           
  pe…                                                                           
  and                                                                           
  ot…            23          6              —                —         29       
  po…                                                                           
  be…                                                                           
  co…                                                                           
  In…                                                                           
  tax             —          —              —                —          —       
  cr…                                                                           
  Ot…            46         74              —                1        121       
  To…                                                                           
  ot…           862       1,7…             50               14       2,7…       
  no…                                                                           
  li…                                                                           
  Eq…                                                                           
  To…                                                                           
  Du…                                                                           
  En…          2,9…       4,0…            202              1,…       8,4…       
  Co…                                                                           
  st…                                                                           
  eq…                                                                           
  No…             —          —              2                —          2       
  in…                                                                           
  To…          2,9…       4,0…            204              1,…       8,4…       
  eq…                                                                           
  To…                                                                           
  Li…          4,8…       10,…            333              1,…       17,…       
  and                                                                           
  Eq…                                                                           
  Se…                                                                           
  re…                                                                           
  in…             —       -129           -102              115       -116       
  ba…                                                                           
  and                                                                           
  ot…                                                                           
  Re…                                                                           
  Se…                                                                           
  Li…    $     4,8…    $  10,…        $   231        $     1,…    $  17,…       
  and                                                                           
  Eq…                                                                           
                                                                                
(a) Includes balances of the wholly owned subsidiary Duke Energy Kentucky.

(b) Includes the elimination of intercompany balances and purchase accounting
adjustments.
                                       30                                       
                                                                                
                                                                                
                                                                                
                                                                                
           …                                                                    
           …                                                                    
           …                                                                    
           …                                                                    
           …                                                                    
                                      %                                 %       
                           %          …                                 …       
           …       …       …          …                                 …       
                           …          …                                 …       
                                      …                                 …       
                                                                                
      …       …       …       …  %       …  %      …      …      …           %  
      …       …       …       …  %       …  %      …      …      …           %  
      …       …       …       …  %       …  %      …      …      …           …  
      …                                                                         
      …       …       …       …  %          …      …      …      …           …  
      …                                                                         
      …       …       …       …  %          …      …      …      …           …  
      …                                                                         
      …                                                                         
      …       …       …       …  %       …  %      …      …      …           %  
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      –       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
                                                                                
      …       …       …       …  %                 …      …      …              
      …       …       …       …  %                 …      …      …              
      …       …       …       …  …                 …      …      …              
      …                                                                         
      …       …       …       …  …                 …      …      …              
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …       …       …       …  …                 …      …      —              
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      –                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
                                                                                
      …                                                                         
      –                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …       …       …       …  …                 …      …      …              
      …       …       …       …  …                 …      …      …              
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
      …                                                                         
      …                                                                         
      …       …       …       …  %                 …      …      …              
      …                                                                         
                                                                                
      …                                            …      …                     
      …                                            …      …                     
                                                   …      …                     
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.

(g) Statistics reflect 100% of jointly owned stations.
                                       31                                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                         %                                     %                
                         …                  …                  …                
                         …                                     …                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %      …           …                  %      …    
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                                                                                
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                                                 …                              
                                                 …                              
                                                 …                              
                                                                                
                                                                                
                              %                  …                  …           
                              %                  …                  %           
                                                                                
                                                 …      …                       
                                                 %      …                       
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.

(g) Statistics reflect 100% of jointly owned stations.
                                       32                                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                         %                                     %                
                         …                  …                  …                
                         …                                     …                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %      …           …                  %      …    
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              %                  9                  %           
                              %                  …                  %           
                                                                                
                                                                                
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              %                  …                  %           
                                                                                
                                                 …                              
                                                 …                              
                                                 …                              
                                                                                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                                                 …      …                       
                                                 %      …                       
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.

(g) Statistics reflect 100% of jointly owned stations.
                                       33                                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                         %                                     %                
                         …                  …                  …                
                         …                                     …                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              %      …           …                  %      …    
                              %                  …                  …           
                              %                  …                  %           
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              …                  …                  %           
                              %                  …                  %           
                                                                                
                                                                                
                              …                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              %                  …                  %           
                                                                                
                                                 …                              
                                                 …                              
                                                                                
                                                                                
                              %                  …                  %           
                              …                  …                  %           
                                                                                
                                                 %      …                       
                                                 %      …                       
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.
                                       34                                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                         %                                     %                
                         …                  …                  …                
                         …                                     …                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  %           
                              %                  …                  …           
                              %      …           …                  %      …    
                              %                  …                  %           
                              %                  …                  %           
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              %                  1                  %           
                              %                  …                  %           
                                                                                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  6                  %           
                              %                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                              %                  …                  …           
                              %                  …                  %           
                                                                                
                                                 …                              
                                                 …                              
                                                                                
                                                                                
                              %                  …                  …           
                              %                         …           %           
                                                                                
                                                 …      …                       
                                                 %      …                       
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.
                                       35                                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                                            …                                   
                         %                                     %                
                         …                  …                  …                
                         …                                     …                
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              %                  …                  …           
                              %      …           …                  %      …    
                              …                  …                  …           
                              …                  …                  …           
                                                                                
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              %                  …                  %           
                              …                  3                  …           
                              %                  …                  %           
                                                                                
                                                                                
                              …                  …                  %           
                              %                  …                  %           
                              %                  …                  %           
                              …                  …                  …           
                              %                  …                  %           
                              …                  …                  …           
                              …                  …                  …           
                              …                  …                  %           
                              …                  …                  …           
                                                                                
                                                 …                              
                                                 …                              
                                                                                
                                                                                
                              %                  …                  …           
                              %                  …                  %           
                                                                                
                                                 …      …                       
                                                 %      …                       
                                                                                
(a) Except as indicated in footnote (b), represents non-weather-normalized
billed sales, with energy delivered but not yet billed (i.e., unbilled sales)
reflected as a single amount and not allocated to the respective retail classes.

(b) Represents weather-normal total retail calendar sales (i.e., billed and
unbilled sales).

(c) Statistics reflect Duke Energy's ownership share of jointly owned stations.

(d) Generation by source is reported net of auxiliary power.

(e) Purchased power includes renewable energy purchases.

(f) Based on winter capacity for Fossil, Nuclear and Hydro generation stations,
and nameplate capacity for Renewable generation stations.
                                       36                                       
                                                                                
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
             T…                                N…                               
             M…                                M…                               
             E…                                E…                               
             S…                                S…                               
             3…                                3…                               
                                 %                                 %            
             2…        2…        I…            2…        2…        I…           
                                 (…                                (…           
  …                                                                             
  …                                                                             
       P…                                                                       
       N…                                                                       
       G…                                                                       
       L…                                                                       
       D…        1…        1…        8…  %         4…        4…        4.8  %   
       C…                                                                       
       (…                                                                       
       t…                                                                       
       (…                                                                       
       D…                                                                       
       E…                                                                       
       M…        9…        9…        0…  %         5…        6…        (8…  %)  
       L…                                                                       
       t…                                                                       
       (…                                                                       
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  –                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
       R…        9…        1…        (…  %)        9…        1…        (1…  %)  
       C…        9…        1…        (…  %)        9…        1…        (1…  %)  
       I…        7…        9…        (…  %)        7…        9…        (1…  %)  
       P…        19        19         —  %         19        19          —  %   
       G…                                                                       
       T…                                                                       
       A…                                                                       
       N…                                                                       
       of                                                                       
       G…        9…        1…        (…  %)        1…        1…        (1…  %)  
       C…                                                                       
       –                                                                        
       P…                                                                       
       N…                                                                       
       G…                                                                       
  …                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
  –                                                                             
  …                                                                             
  …                                                                             
  …                                                                             
       R…        5…        5…        0…  %         5…        5…        0.3  %   
       C…        3…        3…        1…  %         3…        3…        1.4  %   
       I…        1…        2…        (…  %)        1…        2…        (1…  %)  
       O…        1…        1…        (…  %)        1…        1…        (2…  %)  
       T…                                                                       
       A…                                                                       
       N…                                                                       
       of                                                                       
       G…        5…        5…        0…  %         5…        5…        0.4  %   
       C…                                                                       
       –                                                                        
       D…                                                                       
       E…                                                                       
       M…                                                                       
                                                                                
(a) Piedmont has a margin decoupling mechanism in North Carolina, weather
normalization mechanisms in South Carolina and Tennessee and fixed-price
contracts with most power generation customers that significantly eliminate the
impact of throughput changes on earnings. Duke Energy Ohio's rate design also
serves to offset this impact. On March 31, 2026, Piedmont closed on the sale of
its Tennessee business.
                                       37                                       
Next Said vs did →

Work on DUK in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/DUK/export.csv") into a cell.