← Filings of AEP
Tables in the 10-Q of AMERICAN ELECTRIC POWER CO INC
225 tables with numbers, filed Oct 28, 2026. Each one downloads as a CSV for Excel or
Google Sheets, with the filing's address in the last row. Only the layout is tidied (a "$" or ")" in a cell of its own is joined to its number); no value is changed.
Open the filing on sec.gov ↗
Table 1 after “For The Transition Period from ____ to ____”
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| Commission | Registrants; | | | | I.R.S. Employer |
| File Number | Address and Telephone Number | | States of Incorporation | | Identification Nos. |
| 1-3525 | AMERICAN ELECTRIC POWER CO INC. | | New York | | 13-4922640 |
| 333-221643 | AEP TEXAS INC. | | Delaware | | 51-0007707 |
| 333-217143 | AEP TRANSMISSION COMPANY, LLC | | Delaware | | 46-1125168 |
| 1-3457 | APPALACHIAN POWER COMPANY | | Virginia | | 54-0124790 |
| 1-3570 | INDIANA MICHIGAN POWER COMPANY | | Indiana | | 35-0410455 |
| 1-6543 | OHIO POWER COMPANY | | Ohio | | 31-4271000 |
First 8 of 12 rows. The CSV has all of them.
Table 2 after “AEP Texas Inc., AEP Transmission Company, LLC, Appalachian Power Company, Indiana Michigan Power Company, Ohio Power Company, Public Service”
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| Number of shares of common stock outstanding of the Registrants as of |
| October 28, 2026 |
| American Electric Power Company, Inc. | 544,526,330 |
| ($6.50 par value) |
| AEP Texas Inc. | 100 |
| ($0.01 par value) |
| AEP Transmission Company, LLC (a) | NA |
| Appalachian Power Company | 13,499,500 |
First 8 of 17 rows. The CSV has all of them.
| AMERICAN ELECTRIC POWER COMPANY, INC. AND SUBSIDIARY COMPANIES | | | |
| INDEX OF QUARTERLY REPORTS ON FORM 10-Q | | | |
| September 30, 2026 | | | |
| | | Page |
| | | Number |
| Glossary of Terms | i | | |
| Forward-Looking Information | vi | | |
| Part I. FINANCIAL INFORMATION | | | |
First 8 of 36 rows. The CSV has all of them.
| Part II. OTHER INFORMATION | | | |
| Item 1. | Legal Proceedings | 198 |
| Item 1A. | Risk Factors | 198 |
| Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds | 198 |
| Item 3. | Defaults Upon Senior Securities | 198 |
| Item 4. | Mine Safety Disclosures | 198 |
| Item 5. | Other Information | 198 |
| Item 6. | Exhibits | 199 |
First 8 of 10 rows. The CSV has all of them.
| Term | Meaning |
| GAAP | Generally Accepted Accounting Principles in the United States of America. |
| GHG | Greenhouse gas. |
| Gigawatt AI | Gigawatt AI Inc., an equity interest joint venture formed to build the AI-centric operating system for utilities. |
| G&M | Generation & Marketing. |
| Grid Growth Ventures | Grid Growth Ventures, LLC, a holding company formed by Transource Energy and First Energy Transmission, LLC, in 2025, which is 43.25% owned by AEP. |
| I&M | Indiana Michigan Power Company, an AEP electric utility subsidiary. I&M engages in the generation, transmission and distribution of electric power to retail customers in northern and eastern Indiana and southwestern Michigan. |
| IMTCo | AEP Indiana Michigan Transmission Company, Inc., a wholly-owned transmission subsidiary of Midwest Transmission Holdings. |
First 8 of 36 rows. The CSV has all of them.
Table 6 after “The following tables present a reconciliation of operating earnings to the most directly comparable GAAP measure.”
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| Three Months Ended September 30, 2026 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| GAAP Earnings (a) | $1,187 | | $172 | | $196 | | $124 | | $113 | | $112 | $234 | $188 |
| Adjustments to GAAP Earnings: | | | | | | | | | | | | | |
| Mark-to-Market Impact of Commodity Hedging Activities (b) | 14 | | — | | — | | — | | 8 | | — | — | — |
| Wholesale Customer Contract Agreements (c) | 22 | | — | | — | | — | | — | | — | — | 22 |
| Income Tax Effect of Specified Items (d) | (7) | | — | | — | | — | | (2) | | — | — | (4) |
First 8 of 10 rows. The CSV has all of them.
Table 7 after “Tax effect is calculated using the statutory tax rate unless otherwise noted.”
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| Three Months Ended September 30, 2025 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| GAAP Earnings (a) | $972 | | $166 | | $179 | | $81 | | $150 | | $101 | $130 | $189 |
| Adjustments to GAAP Earnings (b): | | | | | | | | | | | | | |
| Mark-to-Market Impact of Commodity Hedging Activities (c) | (1) | | — | | — | | — | | (5) | | — | — | — |
| Impact of Ohio Legislation (d) | (8) | | — | | — | | — | | — | | (8) | — | — |
| Total Specified Items | (9) | | — | | — | | — | | (5) | | (8) | — | — |
First 8 of 9 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| GAAP Earnings (a) | $2,774 | | $405 | | $571 | | $369 | | $358 | | $338 | $303 | $330 |
| Adjustments to GAAP Earnings: | | | | | | | | | | | | | |
| Mark-to-Market Impact of Commodity Hedging Activities (b) | 32 | | — | | — | | — | | 15 | | — | — | — |
| Impact of WVPSC Order (c) | (35) | | — | | — | | (29) | | — | | — | — | — |
| Pirkey Plant Partial Disallowance (d) | 31 | | — | | — | | — | | — | | — | — | 31 |
First 8 of 13 rows. The CSV has all of them.
Table 9 after “Tax effect is calculated using the statutory tax rate unless otherwise noted.”
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| Nine Months Ended September 30, 2025 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| GAAP Earnings (a) | $2,998 | | $389 | | $946 | | $353 | | $332 | | $267 | $221 | $353 |
| Adjustments to GAAP Earnings (b): | | | | | | | | | | | | | |
| Mark-to-Market Impact of Commodity Hedging Activities (c) | 5 | | — | | — | | — | | 11 | | — | — | — |
| Sale of AEP OnSite Partners (d) | 10 | | — | | — | | — | | — | | — | — | — |
| Impact of Ohio Legislation (e) | 19 | | — | | — | | — | | — | | 19 | — | — |
First 8 of 11 rows. The CSV has all of them.
Table 10 after “During 2026, AEP subsidiary companies acquired five generation facilities to support AEP’s portfolio and enhance reliability. These transact”
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| Company | Plant Name | Fuel Type | Location | Acquisition Date | Net Maximum Capacity |
| | | | | (in MWs) |
| I&M | Oregon | Natural Gas | Oregon, OH | March 2026 | 870 |
| APCo | Grover Hill | Wind | Paulding County, OH | May 2026 | 143 |
| AGR | Wolf Hills | Natural Gas | Bristol, VA | August 2026 | 263 |
| I&M | Big Sandy Peaker | Natural Gas | Kenova, WV | August 2026 | 318 |
| PSO | Lazbuddie | Wind | Parmer and Castro Counties, TX | August 2026 | 265 |
| Total Acquired Generation Facilities | | | 1,859 | | |
Table 11 after “The Financial Condition section below includes the estimated cost of these facilities in the Budgeted Capital Expenditures. In addition, AEP”
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| Company | Generation Type | Expected Commercial Operation | Owned/PPA | Generating Capacity |
| | | | (in MWs) |
| APCo | Solar | 2027-2028 | PPA | 343 |
| I&M | Solar | 2027-2028 | PPA | 380 |
| I&M | Wind | 2027-2030 | PPA | 401 |
| PSO | Solar | 2027 | Owned | 150 |
| PSO | BESS | 2027-2028 | Owned | 224 |
| PSO | Gas combustion turbines | 2028 | Owned | 450 |
First 8 of 10 rows. The CSV has all of them.
Table 12 after “The table below includes active RFPs issued for both owned and purchased power generation. Projects selected will be subject to regulatory a”
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| Company | Issuance Date | Resource Type | Projected In-Service Dates | | Generating Capacity |
| | | | | (in MWs) |
| APCo | May 2026 | Owned wind and solar | 2029 | | 800 |
| APCo | May 2026 | Purchased power from solar, wind and hydroelectric resources | 2028/2029 | | 300 |
| APCo | August 2026 | Contracted BESS | 2029 | | 300 |
| APCo | August 2026 | Owned BESS | 2030 | | 500 |
| APCo | August 2026 | Owned combined cycles | 2031 | | 1,500 |
| I&M | October 2026 | All-source | 2033/2034 | | 4,000 |
First 8 of 11 rows. The CSV has all of them.
Table 13 after “In addition to the generation projects discussed above, AEP enters into CPAs to satisfy operating companies’ capacity reserve margins to ser”
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| APCo | I&M | | | PSO (a) | SWEPCo (a) | | | | | | | |
| Gas | Natural Gas | | Wind | | | Natural Gas | Wind | | Natural Gas | Wind | | |
| Delivery Start Year | (in MWs) | | | | | | | | | | | | |
| 2026 | — | | — | | 73 | | | | 460 | | 86 | 150 | 87 |
| 2027 | — | | 160 | | — | | | | 410 | | 86 | 300 | 83 |
| 2028 | 198 | | 1,151 | | — | | | | 724 | | — | 461 | 88 |
| 2029 | — | | 1,139 | | — | | | | 751 | | — | 488 | 88 |
| 2030 | — | | 996 | | — | | | | 789 | | — | 225 | 88 |
Table 14 after “Completed Base Rate Case Proceedings”
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| | Annual | Previously | | | | | | |
| | Base Revenue | Approved | | Approved | | New Rates | | |
| Company | Jurisdiction | Increase | ROE | | ROE | | Effective | | |
| | (in millions) | | | | | | | |
| APCo/WPCo | West Virginia | $91 | | 9.75% | | 9.75% | | August 2025 | (a) |
| SWEPCo | Arkansas | 85 | | 9.5% | | 9.65% | | February 2026 | (b) |
| KPCo | Kentucky | 55 | | 9.75% | | 9.75% | | March 2026 | (c) |
| OPCo | Ohio | 11 | | 9.7% | | 9.84% | | April 2026 | |
Table 15 after “Pending Base Rate Case Proceedings”
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| | | | | Annual | | | |
| | | | | Base Revenue | | | |
| | | Filing | | Increase/ (Decrease) | | Requested | |
| Company | Jurisdiction | Date | | Request | | ROE | | |
| | | | | (in millions) | | | |
| SWEPCo | Texas | | October 2025 | | $95 | | | 10.75% |
| PSO | Oklahoma | | January 2026 | | 299 | | | 10.5% |
| APCo | Virginia | | May 2026 | | 61 | | | 10.5% |
First 8 of 9 rows. The CSV has all of them.
Table 16 after “For generating facilities retired or planned for retirement in advance of the retirement date currently authorized for ratemaking purposes, ”
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| Company | Plant | Net Investment (a) | Accelerated Depreciation Regulatory Asset | | | Actual/Projected Retirement Date | Current Authorized Recovery Period | | Annual Depreciation (b) | | |
| | (in millions) | | | | (in millions) | | | | | |
| PSO | Northeastern Plant, Unit 3 | $50 | | $259 | | | | 2026 | | (c) | $8 |
| SWEPCo | Pirkey Plant | — | | 47 | (d) | | | 2023 | | (e) | — |
| SWEPCo | Welsh Plant, Units 1 and 3 | 220 | | 264 | | | | 2028 | (f) | (g) | 43 |
Table 17 after “The following table presents Earnings (Loss) Attributable to AEP Common Shareholders by segment:”
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| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| Vertically Integrated Utilities | $697 | | $578 | | $1,443 | $1,335 |
| Transmission and Distribution Utilities | 284 | | 267 | | 743 | 656 |
| AEP Transmission Holdco | 219 | | 200 | | 653 | 1,013 |
| Generation & Marketing | 96 | | 45 | | 268 | 209 |
First 8 of 10 rows. The CSV has all of them.
Table 18 after “Summary of KWh Energy Sales for Vertically Integrated Utilities”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 9,631 | | 8,842 | | 24,947 | 24,618 |
| Commercial | 8,475 | | 7,355 | | 22,540 | 19,548 |
| Industrial | 8,619 | | 8,552 | | 25,201 | 25,248 |
| Miscellaneous | 652 | | 599 | | 1,753 | 1,701 |
First 8 of 11 rows. The CSV has all of them.
Table 19 after “Summary of Heating and Cooling Degree Days for Vertically Integrated Utilities”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Eastern Region | | | | | | |
| Actual – Heating | — | | 1 | | 1,663 | 1,736 |
| Normal – Heating | 2 | | 2 | | 1,700 | 1,702 |
| Actual – Cooling | 841 | | 722 | | 1,222 | 1,104 |
| Normal – Cooling | 729 | | 733 | | 1,086 | 1,085 |
First 8 of 13 rows. The CSV has all of them.
| Vertically Integrated Utilities | | | |
| Reconciliation of 2025 to 2026 Earnings Attributable to AEP Common Shareholders | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to AEP Common Shareholders | $578 | | $1,335 |
| Changes in Revenues: | | | |
| Retail Revenues | 408 | | 759 |
| Off-system Sales | 5 | | 52 |
First 8 of 25 rows. The CSV has all of them.
Table 21 after “Summary of KWh Energy Sales for Transmission and Distribution Utilities”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 8,726 | | 8,256 | | 21,377 | 21,566 |
| Commercial | 14,885 | | 12,610 | | 40,623 | 33,240 |
| Industrial | 8,084 | | 7,009 | | 23,060 | 20,813 |
| Miscellaneous | 218 | | 209 | | 555 | 553 |
First 8 of 11 rows. The CSV has all of them.
Table 22 after “Summary of Heating and Cooling Degree Days for Transmission and Distribution Utilities”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Eastern Region | | | | | | |
| Actual – Heating | — | | — | | 1,996 | 2,077 |
| Normal – Heating | 2 | | 3 | | 1,993 | 1,996 |
| Actual – Cooling | 794 | | 734 | | 1,115 | 1,076 |
| Normal – Cooling | 704 | | 707 | | 1,032 | 1,032 |
First 8 of 13 rows. The CSV has all of them.
| Transmission and Distribution Utilities | | | |
| Reconciliation of 2025 to 2026 Earnings Attributable to AEP Common Shareholders | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to AEP Common Shareholders | $267 | | $656 |
| Changes in Revenues: | | | |
| Retail Revenues | 210 | | 345 |
| Off-system Sales | (32) | | (13) |
First 8 of 25 rows. The CSV has all of them.
Table 24 after “Summary of Investment in Transmission Assets for AEP Transmission Holdco”
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| September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Plant in Service | $18,629 | | $16,877 |
| Construction Work in Progress | 2,990 | | 2,376 |
| Accumulated Depreciation and Amortization | 2,224 | | 1,891 |
| Total Transmission Property, Net | $19,395 | | $17,362 |
Table 25 after “Summary of Investment in Transmission Assets for AEP Transmission Holdco”
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| AEP Transmission Holdco | | | |
| Reconciliation of 2025 to 2026 | | | |
| Earnings Attributable to AEP Members from AEP Transmission Holdco | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to AEP Members from AEP Transmission Holdco | $200 | | $1,013 |
| Changes in Transmission Revenues: | | | |
| Transmission Revenues | 42 | | (49) |
First 8 of 22 rows. The CSV has all of them.
| Reconciliation of 2025 to 2026 Earnings Attributable to AEP Common Shareholders | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to AEP Common Shareholders | $45 | | $209 |
| Changes in Revenues: | | | |
| Retail, Trading and Marketing | 116 | | 384 |
| Merchant Generation | 64 | | 108 |
| Other Revenues | 58 | | 94 |
First 8 of 19 rows. The CSV has all of them.
Table 27 after “Debt and Equity Capitalization”
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| September 30, 2026 | December 31, 2025 | | | |
| (dollars in millions) | | | | |
| Long-term Debt, including amounts due within one year | $52,541 | | 59.4% | $47,322 | 58.4% |
| Short-term Debt | 1,875 | | 2.1 | 1,508 | 1.9 |
| Total Debt | 54,416 | | 61.5 | 48,830 | 60.3 |
| AEP Common Equity | 32,775 | | 37.1 | 31,138 | 38.4 |
| Noncontrolling Interests | 1,268 | | 1.4 | 1,080 | 1.3 |
| Total Debt and Equity Capitalization | $88,459 | | 100.0% | $81,048 | 100.0% |
Table 28 after “AEP manages liquidity by maintaining adequate external financing commitments. As of September 30, 2026, available liquidity was approximatel”
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| | Amount | Maturity | |
| Commercial Paper: | (in millions) | | | |
| Revolving Credit Facility | $6,500 | | April 2031 |
| Revolving Credit Facility | 1,500 | | April 2029 |
| Cash and Cash Equivalents | 418 | | | |
| Total Liquidity Sources | 8,418 | | | |
| Less: | AEP Commercial Paper Outstanding | 975 | | |
| Net Available Liquidity | $7,443 | | | |
Table 29 after “AEP relies primarily on cash flows from operations, debt issuances, issuances of common stock and its existing cash and cash equivalents to ”
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| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Cash, Cash Equivalents and Restricted Cash at Beginning of Period | $268 | | $246 |
| Net Cash Flows from Operating Activities | 5,767 | | 5,131 |
| Net Cash Flows Used for Investing Activities | (11,171) | | (7,749) |
| Net Cash Flows from Financing Activities | 5,643 | | 3,479 |
| Net Increase in Cash, Cash Equivalents and Restricted Cash | 239 | | 861 |
First 8 of 9 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Net Income | $2,868 | | $3,091 |
| Non-Cash Adjustments to Net Income (a) | 3,162 | | 2,517 |
| Mark-to-Market of Risk Management Contracts | (116) | | (193) |
| Pension Contributions to Qualified Plan Trust | — | | (95) |
| Property Taxes | 564 | | 541 |
First 8 of 13 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Construction Expenditures | $(9,107) | | $(6,001) |
| Acquisitions of Generation Facilities | (2,394) | | (1,657) |
| Acquisitions of Nuclear Fuel | (97) | | (89) |
| Contribution in Aid of Construction Advances | 572 | 148 | |
| Other | (145) | | (150) |
First 8 of 9 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Issuance of Common Stock | $417 | | $187 |
| Issuance/Retirement of Debt, Net | 5,559 | | 2,079 |
| Proceeds from the Midwest Transmission Holdings Noncontrolling Interest Transaction, Net of Transaction Costs | — | | 2,783 |
| Dividends Paid on Common Stock | (1,558) | | (1,498) |
| Security Deposits | 1,199 | | — |
First 8 of 10 rows. The CSV has all of them.
Table 33 after “The 2027-2031 estimated capital expenditures by Business Segment are as follows:”
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| Segment | 2027-2031 Budgeted Capital Expenditures |
| (in billions) |
| Vertically Integrated Utilities | $52.2 |
| Transmission and Distribution Utilities | 23.6 |
| AEP Transmission Holdco | 18.1 |
| Generation & Marketing | 4.4 |
| Corporate and Other | 2.1 |
| Total | $100.4 |
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Vertically Integrated Utilities | $3,923 | | $3,511 | | $10,338 | $9,531 |
| Transmission and Distribution Utilities | 1,853 | | 1,680 | | 5,015 | 4,638 |
| Generation & Marketing | 922 | | 694 | | 2,546 | 1,976 |
| Other Revenues | 134 | | 126 | | 398 | 416 |
First 8 of 34 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $1,218 | | $1,000 | | $2,868 | $3,091 |
| OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $1 and $(4) for the Three Months Ended September 30, 2026 and 2025, Respectively, and $3 and $(7) for the Nine Months Ended September 30, 2026 and 2025, Respectively | 5 | | (16) | | 12 | (26) |
| Amortization of Pension and OPEB Deferred Costs, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $1 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | 1 | | — | | 3 | 1 |
| TOTAL OTHER COMPREHENSIVE INCOME (LOSS) | 6 | | (16) | | 15 | (25) |
First 8 of 12 rows. The CSV has all of them.
| AEP Common Shareholders | | | | | | | | | | | | | |
| Common Stock | | | | Accumulated Other Comprehensive Income (Loss) | | | | | | | | | |
| Shares | Amount | | Paid-in Capital | Retained Earnings | | Noncontrolling Interests | | Total | | | | | |
| TOTAL EQUITY – DECEMBER 31, 2024 | 534 | | $3,472 | | $9,606 | | $13,869 | | | $(3) | | | $42 | $26,986 |
| Issuance of Common Stock | 1 | | 7 | | 68 | | | | | | | | 75 | |
| Common Stock Dividends | | | | | (500) | (a) | | | (1) | | | (501) | | |
| Other Changes in Equity | | | | (22) | | | | | | | (22) | | | |
| Net Income | | | | | 800 | | | | 2 | | | 802 | | |
First 8 of 50 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $418 | | $197 |
| Restricted Cash(September 30, 2026 and December 31, 2025 Amounts Include $89 and $71, Respectively, Related to Restoration Funding, Appalachian Consumer Rate Relief Funding, Appalachian Recovery Funding, Storm Recovery Funding and Cost Recovery Funding) | 89 | | 71 |
| Other Temporary Investments(September 30, 2026 and December 31, 2025 Amounts Include $239 and $209, Respectively, Related to EIS) | 252 | | 220 |
| Accounts Receivable: | | | |
| Customers | 1,421 | | 1,166 |
First 8 of 41 rows. The CSV has all of them.
| | | | | | September 30, | December 31, | |
| | | | | | 2026 | 2025 | |
| CURRENT LIABILITIES | | | | | | | | |
| Accounts Payable | | | | | | $3,944 | | $3,429 |
| Short-term Debt: | | | | | | | | |
| Securitized Debt for Receivables – AEP Credit | | | | | | 900 | | 900 |
| Other Short-term Debt | | | | | | 975 | | 608 |
| Total Short-term Debt | | | | | | 1,875 | | 1,508 |
First 8 of 44 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $2,868 | | $3,091 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 2,842 | | 2,566 |
| Deferred Income Taxes | 515 | | 124 |
| Asset Impairments and Other Related Charges | 31 | | — |
First 8 of 50 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 4,608 | | 4,135 | | 10,306 | 10,326 |
| Commercial | 5,684 | | 5,219 | | 15,452 | 14,037 |
| Industrial | 4,477 | | 3,489 | | 12,348 | 10,159 |
| Miscellaneous | 195 | | 186 | | 481 | 477 |
First 8 of 9 rows. The CSV has all of them.
Table 41 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 144 | 296 |
| Normal – Heating | — | | — | | 215 | 208 |
| Actual – Cooling | 1,611 | | 1,367 | | 2,735 | 2,520 |
| Normal – Cooling | 1,347 | | 1,348 | | 2,382 | 2,369 |
| AEP Texas Inc. and Subsidiaries | | | |
| Reconciliation of 2025 to 2026 | | | |
| Net Income | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Net Income | $166 | | $389 |
| Changes in Revenues: | | | |
| Retail Revenues | 38 | | 31 |
First 8 of 22 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electric Transmission and Distribution | $655 | | $616 | | $1,728 | $1,664 |
| Sales to AEP Affiliates | 2 | | 1 | | 5 | 4 |
| Other Revenues | 2 | | 2 | | 21 | 5 |
| TOTAL REVENUES | 659 | | 619 | | 1,754 | 1,673 |
| EXPENSES | | | | | | |
First 8 of 24 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $172 | | $166 | | $405 | $389 |
| OTHER COMPREHENSIVE LOSS, NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $0 and $0 for Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | (1) | | — | | (1) | (1) |
| TOTAL COMPREHENSIVE INCOME | $171 | | $166 | | $404 | $388 |
| See Condensed Notes to Condensed Financial Statements of Registrants beginning on page 108. | | | | | | |
| Paid-in Capital | Retained Earnings | | Accumulated Other Comprehensive Income (Loss) | Total | | |
| TOTAL COMMON SHAREHOLDER’S EQUITY – DECEMBER 31, 2024 | $2,093 | | $2,795 | | $(3) | | $4,885 |
| Net Income | | 102 | | | | 102 | |
| Other Comprehensive Loss | | | | (1) | | (1) | |
| TOTAL COMMON SHAREHOLDER’S EQUITY – MARCH 31, 2025 | 2,093 | | 2,897 | | (4) | | 4,986 |
| Capital Contribution from Parent | 250 | | | | | 250 | |
| Net Income | | 121 | | | | 121 | |
| TOTAL COMMON SHAREHOLDER’S EQUITY – JUNE 30, 2025 | 2,343 | | 3,018 | | (4) | | 5,357 |
First 8 of 22 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Restricted Cash (September 30, 2026 and December 31, 2025 Amounts Include $9 and $14, Respectively, Related to Restoration Funding) | $9 | | $14 |
| Advances to Affiliates | 389 | | 7 |
| Accounts Receivable: | | | |
| Customers | 298 | | 189 |
| Affiliated Companies | 14 | | 15 |
First 8 of 31 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $— | | $188 |
| Accounts Payable: | | | |
| General | 630 | | 652 |
| Affiliated Companies | 45 | | 60 |
| Long-term Debt Due Within One Year – Nonaffiliated(September 30, 2026 and December 31, 2025 Amounts Include $26 and $25, Respectively, Related to Restoration Funding) | 26 | | 75 |
First 8 of 32 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $405 | | $389 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 348 | | 329 |
| Deferred Income Taxes | 105 | | 68 |
| Allowance for Equity Funds Used During Construction | (62) | | (37) |
First 8 of 43 rows. The CSV has all of them.
Table 49 after “Summary of Investment in Transmission Assets for AEPTCo”
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| As of September 30, | | |
| 2026 | 2025 | |
| (in millions) | | |
| Plant In Service | $18,078 | | $16,471 |
| Construction Work in Progress | 2,791 | | 2,098 |
| Accumulated Depreciation and Amortization | 2,165 | | 1,840 |
| Total Transmission Property, Net | $18,704 | | $16,729 |
Table 50 after “Summary of Investment in Transmission Assets for AEPTCo”
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| AEP Transmission Company, LLC and Subsidiaries | | | |
| Reconciliation of 2025 to 2026 | | | |
| Earnings Attributable to AEP Member | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to AEP Member | $179 | | $946 |
| Changes in Transmission Revenues: | | | |
| Transmission Revenues | 36 | | (67) |
First 8 of 20 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Transmission Revenues | $115 | | $108 | | $335 | $325 |
| Sales to AEP Affiliates | 501 | | 450 | | 1,448 | 1,350 |
| (Provision for)/Reversal of - Revenue Refund – Affiliated | (21) | | — | | (26) | 120 |
| (Provision for)/Reversal of - Revenue Refund – Nonaffiliated | (3) | | — | | (6) | 32 |
First 8 of 28 rows. The CSV has all of them.
| Paid-in Capital | Retained Earnings | | Noncontrolling Interest | | Total | | | |
| TOTAL MEMBER'S EQUITY – DECEMBER 31, 2024 | $3,101 | | $3,850 | | | $— | | | $6,951 |
| Capital Contribution from AEP Member | 32 | | | | | | 32 | | |
| Dividends Paid to AEP Member | | (42) | | | | | (42) | | |
| Net Income | | 211 | | | | | 211 | | |
| TOTAL MEMBER'S EQUITY – MARCH 31, 2025 | 3,133 | | 4,019 | | | — | | | 7,152 |
| Capital Contribution from AEP Member | 8 | | | | | | 8 | | |
| Dividends Paid to AEP Member | | (2,836) | | | | | (2,836) | | |
First 8 of 35 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Advances to Affiliates | $193 | | $71 |
| Accounts Receivable: | | | |
| Customers | 127 | | 94 |
| Affiliated Companies | 161 | | 153 |
| Total Accounts Receivable | 288 | | 247 |
First 8 of 24 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $269 | | $143 |
| Accounts Payable: | | | |
| General | 500 | | 477 |
| Affiliated Companies | 166 | | 164 |
| Long-term Debt Due Within One Year – Nonaffiliated | 425 | | 425 |
First 8 of 32 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $659 | | $1,033 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 389 | | 354 |
| Deferred Income Taxes | 52 | | (145) |
| Allowance for Equity Funds Used During Construction | (75) | | (65) |
First 8 of 41 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 2,613 | | 2,516 | | 8,210 | 8,202 |
| Commercial | 1,595 | | 1,530 | | 4,536 | 4,495 |
| Industrial | 2,105 | | 2,117 | | 6,278 | 6,397 |
| Miscellaneous | 211 | | 202 | | 621 | 621 |
First 8 of 11 rows. The CSV has all of them.
Table 57 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 1,382 | 1,433 |
| Normal – Heating | 1 | | 1 | | 1,361 | 1,360 |
| Actual – Cooling | 932 | | 748 | | 1,386 | 1,176 |
| Normal – Cooling | 812 | | 818 | | 1,212 | 1,211 |
| Appalachian Power Company and Subsidiaries | | | |
| Reconciliation of 2025 to 2026 | | | |
| Net Income | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Net Income | $81 | | $353 |
| Changes in Revenues: | | | |
| Retail Revenues | 53 | | (3) |
First 8 of 24 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electric Generation, Transmission and Distribution | $1,047 | | $981 | | $2,951 | $2,955 |
| Sales to AEP Affiliates | 81 | | 71 | | 254 | 209 |
| Other Revenues | 5 | | 5 | | 11 | 13 |
| TOTAL REVENUES | 1,133 | | 1,057 | | 3,216 | 3,177 |
First 8 of 26 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $124 | | $81 | | $369 | $353 |
| OTHER COMPREHENSIVE LOSS, NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | — | | — | | (1) | (1) |
| Amortization of Pension and OPEB Deferred Costs, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | — | | — | | — | — |
| TOTAL OTHER COMPREHENSIVE LOSS | — | | — | | (1) | (1) |
First 8 of 10 rows. The CSV has all of them.
| Common Stock | Paid-in Capital | | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Total | | |
| TOTAL COMMON SHAREHOLDER'S EQUITY - DECEMBER 31, 2024 | $260 | | $1,945 | | $3,532 | | $11 | $5,748 |
| Common Stock Dividends | | | | (50) | | | (50) | |
| Net Income | | | | 165 | | | 165 | |
| TOTAL COMMON SHAREHOLDER'S EQUITY - MARCH 31, 2025 | 260 | | 1,945 | | 3,647 | | 11 | 5,863 |
| Capital Contribution from Parent | | 7 | | | | | 7 | |
| Net Income | | | | 107 | | | 107 | |
| Other Comprehensive Loss | | | | | (1) | | (1) | |
First 8 of 23 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $4 | | $5 |
| Restricted Cash for Securitized Funding(September 30, 2026 and December 31, 2025 Amounts Include $60 and $18, Respectively, Related to Appalachian Consumer Rate Relief Funding and Appalachian Recovery Funding) | 60 | | 18 |
| Advances to Affiliates | 45 | | 17 |
| Accounts Receivable: | | | |
| Customers | 184 | | 171 |
First 8 of 37 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| (in millions) | | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $— | | $209 |
| Accounts Payable: | | | |
| General | 493 | | 375 |
| Affiliated Companies | 158 | | 173 |
First 8 of 36 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $369 | | $353 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 512 | | 486 |
| Deferred Income Taxes | 77 | | 25 |
| Allowance for Equity Funds Used During Construction | (11) | | (13) |
First 8 of 44 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 1,553 | | 1,568 | | 4,163 | 4,218 |
| Commercial | 2,699 | | 1,866 | | 7,221 | 4,552 |
| Industrial | 1,852 | | 1,825 | | 5,391 | 5,429 |
| Miscellaneous | 10 | | 10 | | 32 | 32 |
First 8 of 11 rows. The CSV has all of them.
Table 66 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 2,233 | 2,335 |
| Normal – Heating | 6 | | 6 | | 2,363 | 2,371 |
| Actual – Cooling | 635 | | 622 | | 858 | 902 |
| Normal – Cooling | 581 | | 582 | | 866 | 867 |
| Indiana Michigan Power Company and Subsidiaries | | | |
| Reconciliation of 2025 to 2026 | | | |
| Net Income | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Net Income | $150 | | $332 |
| Changes in Revenues: | | | |
| Retail Revenues | 78 | | 327 |
First 8 of 24 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electric Generation, Transmission and Distribution | $917 | | $841 | | $2,689 | $2,336 |
| Sales to AEP Affiliates | 4 | | 4 | | 11 | 10 |
| (Provision for)/Reversal of - Revenue Refund – Affiliated | (1) | | — | | (5) | 8 |
| Provision for Refund – Nonaffiliated | (48) | | (51) | | (119) | (135) |
First 8 of 29 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $113 | | $150 | | $358 | $332 |
| OTHER COMPREHENSIVE INCOME, NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | — | | — | | — | — |
| Amortization of Pension and OPEB Deferred Costs, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | — | | — | | — | — |
| TOTAL OTHER COMPREHENSIVE INCOME | — | | — | | — | — |
First 8 of 10 rows. The CSV has all of them.
| Common Stock | Paid-in Capital | | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Total | | |
| TOTAL COMMON SHAREHOLDER’S EQUITY - DECEMBER 31, 2024 | $57 | | $1,012 | | $2,328 | | $— | $3,397 |
| Common Stock Dividends | | | | (50) | | | (50) | |
| Net Income | | | | 58 | | | 58 | |
| TOTAL COMMON SHAREHOLDER'S EQUITY - MARCH 31, 2025 | 57 | | 1,012 | | 2,336 | | — | 3,405 |
| Capital Contribution from Parent | | 7 | | | | | 7 | |
| Net Income | | | | 124 | | | 124 | |
| TOTAL COMMON SHAREHOLDER'S EQUITY - JUNE 30, 2025 | 57 | | 1,019 | | 2,460 | | — | 3,536 |
First 8 of 22 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $2 | | $2 |
| Advances to Affiliates | — | | 192 |
| Accounts Receivable: | | | |
| Customers | 104 | | 103 |
| Affiliated Companies | 102 | | 90 |
First 8 of 35 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $284 | | $— |
| Accounts Payable: | | | |
| General | 320 | | 232 |
| Affiliated Companies | 121 | | 125 |
| Long-term Debt Due Within One Year – Nonaffiliated (September 30, 2026 and December 31, 2025 Amounts Include $75 and $117, Respectively, Related to DCC Fuel) | 75 | | 117 |
First 8 of 36 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $358 | | $332 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 411 | | 386 |
| Deferred Income Taxes | 7 | | (52) |
| Amortization (Deferral) of Incremental Nuclear Refueling Outage Expenses, Net | 21 | | (40) |
First 8 of 49 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 4,118 | | 4,121 | | 11,071 | 11,240 |
| Commercial | 9,201 | | 7,391 | | 25,171 | 19,203 |
| Industrial | 3,607 | | 3,520 | | 10,712 | 10,654 |
| Miscellaneous | 23 | | 23 | | 74 | 76 |
First 8 of 11 rows. The CSV has all of them.
Table 75 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 1,996 | 2,077 |
| Normal – Heating | 2 | | 3 | | 1,993 | 1,996 |
| Actual – Cooling | 794 | | 734 | | 1,115 | 1,076 |
| Normal – Cooling | 704 | | 707 | | 1,032 | 1,032 |
| Ohio Power Company and Subsidiaries | | | |
| Reconciliation of 2025 to 2026 | | | |
| Net Income | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Net Income | $101 | | $267 |
| Changes in Revenues: | | | |
| Retail Revenues | 172 | | 314 |
First 8 of 26 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electricity, Transmission and Distribution | $1,190 | | $1,059 | | $3,253 | $2,959 |
| Sales to AEP Affiliates | 13 | | 8 | | 40 | 24 |
| Other Revenues | 5 | | 3 | | 12 | 10 |
| TOTAL REVENUES | 1,208 | | 1,070 | | 3,305 | 2,993 |
First 8 of 28 rows. The CSV has all of them.
| Common Stock | Paid-in Capital | | Retained Earnings | | Total | | |
| TOTAL COMMON SHAREHOLDER’S EQUITY – DECEMBER 31, 2024 | $321 | | $1,020 | | $2,543 | | | $3,884 |
| Common Stock Dividends | | | | (46) | | | (46) | |
| Net Income | | | | 63 | | | 63 | |
| TOTAL COMMON SHAREHOLDER’S EQUITY – MARCH 31, 2025 | 321 | | 1,020 | | 2,560 | | | 3,901 |
| Capital Contribution from Parent | | 2 | | | | | 2 | |
| Common Stock Dividends | | | | (25) | | | (25) | |
| Net Income | | | | 103 | | | 103 | |
First 8 of 24 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $7 | | $5 |
| Accounts Receivable: | | | |
| Customers | 183 | | 109 |
| Affiliated Companies | 126 | | 132 |
| Accrued Unbilled Revenues | 3 | | 29 |
First 8 of 28 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $240 | | $79 |
| Accounts Payable: | | | |
| General | 542 | | 391 |
| Affiliated Companies | 222 | | 197 |
| Risk Management Liabilities | 3 | | 5 |
First 8 of 33 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $338 | | $267 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 310 | | 285 |
| Deferred Income Taxes | 52 | | 34 |
| Allowance for Equity Funds Used During Construction | (19) | | (19) |
First 8 of 43 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 2,459 | | 2,027 | | 5,229 | 4,938 |
| Commercial | 1,842 | | 1,706 | | 4,702 | 4,512 |
| Industrial | 1,583 | | 1,567 | | 4,496 | 4,427 |
| Miscellaneous | 406 | | 360 | | 1,019 | 964 |
First 8 of 11 rows. The CSV has all of them.
Table 83 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 761 | 1,193 |
| Normal – Heating | — | | — | | 1,092 | 1,081 |
| Actual – Cooling | 1,913 | | 1,353 | | 2,763 | 1,982 |
| Normal – Cooling | 1,421 | | 1,425 | | 2,147 | 2,154 |
| Public Service Company of Oklahoma | | | |
| Reconciliation of 2025 to 2026 | | | |
| Net Income | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Net Income | $130 | | $221 |
| Changes in Revenues: | | | |
| Retail Revenues (a) | 173 | | 276 |
First 8 of 23 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electric Generation, Transmission and Distribution | $864 | | $686 | | $1,815 | $1,542 |
| Sales to AEP Affiliates | 2 | | 4 | | 10 | 6 |
| Other Revenues | 2 | | 4 | | 3 | 9 |
| TOTAL REVENUES | 868 | | 694 | | 1,828 | 1,557 |
First 8 of 26 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $234 | | $130 | | $303 | $221 |
| OTHER COMPREHENSIVE LOSS, NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $0 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $0 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively. | — | | — | | — | (1) |
| TOTAL COMPREHENSIVE INCOME | $234 | | $130 | | $303 | $220 |
| See Condensed Notes to Condensed Financial Statements of Registrants beginning on page 108. | | | | | | |
| Common Stock | Paid-in Capital | | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Total | | |
| TOTAL COMMON SHAREHOLDER'S EQUITY – DECEMBER 31, 2024 | $157 | | $1,042 | | $1,484 | | $3 | $2,686 |
| Net Income | | | | 28 | | | 28 | |
| Other Comprehensive Loss | | | | | (1) | | (1) | |
| TOTAL COMMON SHAREHOLDER'S EQUITY – MARCH 31, 2025 | 157 | | 1,042 | | 1,512 | | 2 | 2,713 |
| Capital Contribution from Parent | | 300 | | | | | 300 | |
| Net Income | | | | 63 | | | 63 | |
| TOTAL COMMON SHAREHOLDER'S EQUITY – JUNE 30, 2025 | 157 | | 1,342 | | 1,575 | | 2 | 3,076 |
First 8 of 20 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $4 | | $2 |
| Advances to Affiliates | 70 | | — |
| Accounts Receivable: | | | |
| Customers | 108 | | 109 |
| Affiliated Companies | 53 | | 45 |
First 8 of 35 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Advances from Affiliates | $— | | $171 |
| Accounts Payable: | | | |
| General | 386 | | 339 |
| Affiliated Companies | 58 | | 87 |
| Long-term Debt Due Within One Year – Nonaffiliated | — | | 51 |
First 8 of 37 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $303 | | $221 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 283 | | 203 |
| Deferred Income Taxes | 83 | | 31 |
| Allowance for Equity Funds Used During Construction | (9) | | (7) |
First 8 of 43 rows. The CSV has all of them.
| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions of KWhs) | | | | | |
| Retail: | | | | | | |
| Residential | 2,267 | | 2,016 | | 5,114 | 4,984 |
| Commercial | 1,783 | | 1,699 | | 4,486 | 4,359 |
| Industrial | 1,376 | | 1,375 | | 3,959 | 3,883 |
| Miscellaneous | 17 | | 16 | | 50 | 50 |
First 8 of 11 rows. The CSV has all of them.
Table 92 after “Summary of Heating and Cooling Degree Days”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in degree days) | | | | | |
| Actual – Heating | — | | — | | 496 | 726 |
| Normal – Heating | — | | — | | 720 | 714 |
| Actual – Cooling | 1,771 | | 1,545 | | 2,809 | 2,589 |
| Normal – Cooling | 1,405 | | 1,404 | | 2,236 | 2,220 |
| Southwestern Electric Power Company Consolidated | | | |
| Reconciliation of 2025 to 2026 | | | |
| Earnings Attributable to SWEPCo Common Shareholder | | | |
| (in millions) | | | |
| Three Months Ended September 30, | Nine Months Ended September 30, | |
| 2025 Earnings Attributable to Common Shareholder | $189 | | $353 |
| Changes in Revenues: | | | |
| Retail Revenues (a) | 63 | | 105 |
First 8 of 27 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| REVENUES | | | | | | |
| Electric Generation, Transmission and Distribution | $769 | | $694 | | $1,906 | $1,761 |
| Sales to AEP Affiliates | 24 | | 28 | | 71 | 63 |
| Provision for Refund – Nonaffiliated | (25) | | (4) | | (53) | (9) |
| Other Revenues | 2 | | 6 | | 5 | 10 |
First 8 of 31 rows. The CSV has all of them.
| Three Months Ended | Nine Months Ended | | | | |
| September 30, | September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| Net Income | $189 | | $190 | | $332 | $356 |
| OTHER COMPREHENSIVE INCOME, NET OF TAXES | | | | | | |
| Cash Flow Hedges, Net of Tax of $1 and $0 for the Three Months Ended September 30, 2026 and 2025, Respectively, and $1 and $0 for the Nine Months Ended September 30, 2026 and 2025, Respectively | 5 | | — | | 5 | — |
| TOTAL COMPREHENSIVE INCOME | 194 | | 190 | | 337 | 356 |
| Total Comprehensive Income Attributable to Noncontrolling Interest | 1 | | 1 | | 2 | 3 |
First 8 of 10 rows. The CSV has all of them.
| SWEPCo Common Shareholder | | | | | | | | | | |
| Common Stock | Paid-in Capital | | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interest | | Total | | | |
| TOTAL EQUITY – DECEMBER 31, 2024 | $— | | $1,550 | | $2,352 | | $3 | | | $— | $3,905 |
| Common Stock Dividends – Nonaffiliated | | | | | | (1) | | | (1) | | |
| Net Income | | | | 48 | | | 1 | | | 49 | |
| TOTAL EQUITY – MARCH 31, 2025 | — | | 1,550 | | 2,400 | | 3 | | | — | 3,953 |
| Capital Contribution from Parent | | 450 | | | | | | 450 | | | |
| Common Stock Dividends – Nonaffiliated | | | | | | (1) | | | (1) | | |
First 8 of 26 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT ASSETS | | | |
| Cash and Cash Equivalents | $3 | | $2 |
| Restricted Cash(September 30, 2026 and December 31, 2025 Amounts Include $6 and $15, Respectively, Related to Storm Recovery Funding) | 6 | | 15 |
| Advances to Affiliates | 494 | | 23 |
| Accounts Receivable: | | | |
| Customers | 46 | | 63 |
First 8 of 35 rows. The CSV has all of them.
| September 30, | December 31, | |
| 2026 | 2025 | |
| CURRENT LIABILITIES | | | |
| Accounts Payable: | | | |
| General | $484 | | $392 |
| Affiliated Companies | 34 | | 89 |
| Short-term Debt – Nonaffiliated | — | | 3 |
| Long-term Debt Due Within One Year – Nonaffiliated(September 30, 2026 and December 31, 2025 Amounts Include $17 and $17, Respectively, Related to Storm Recovery Funding) | 417 | | 917 |
First 8 of 43 rows. The CSV has all of them.
| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| OPERATING ACTIVITIES | | | |
| Net Income | $332 | | $356 |
| Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities: | | | |
| Depreciation and Amortization | 374 | | 334 |
| Deferred Income Taxes | 51 | | 23 |
| Asset Impairments and Other Related Charges | 31 | | — |
First 8 of 45 rows. The CSV has all of them.
Table 100 after “The condensed notes to condensed financial statements are a combined presentation for the Registrants. The following list indicates Registra”
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| Note | Registrant | Page Number |
| Significant Accounting Matters | AEP, AEP Texas, AEPTCo, APCo, I&M, OPCo, PSO, SWEPCo | 109 |
| New Accounting Standards | AEP, AEP Texas, AEPTCo, APCo, I&M, OPCo, PSO, SWEPCo | 111 |
| Comprehensive Income | AEP | 112 |
| Rate Matters | AEP, AEP Texas, AEPTCo, APCo, I&M, OPCo, PSO, SWEPCo | 114 |
| Commitments, Guarantees and Contingencies | AEP, AEP Texas, AEPTCo, APCo, I&M, OPCo, PSO, SWEPCo | 133 |
| Acquisitions, Dispositions and Impairments | AEP, AEPTCo, APCo, I&M, PSO, SWEPCo | 137 |
| Benefit Plans | AEP, AEP Texas, APCo, I&M, OPCo, PSO, SWEPCo | 141 |
First 8 of 16 rows. The CSV has all of them.
Table 101 after “The following table presents AEP’s basic and diluted EPS calculations included on the statements of income:”
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| Three Months Ended September 30, | | | | | |
| 2026 | 2025 | | | | |
| (in millions, except per share data) | | | | | |
| | $/share | | | $/share | |
| Earnings Attributable to AEP Common Shareholders | $1,187 | | | $972 | | |
| Weighted-Average Number of Basic AEP Common Shares Outstanding | 544.4 | | $2.18 | | 534.9 | $1.82 |
| Weighted-Average Dilutive Effect | 5.7 | | (0.02) | | 3.1 | (0.01) |
| Weighted-Average Number of Diluted AEP Common Shares Outstanding | 550.1 | | $2.16 | | 538.0 | $1.81 |
Table 102 after “The following table presents AEP’s basic and diluted EPS calculations included on the statements of income:”
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| Nine Months Ended September 30, | | | | | |
| 2026 | 2025 | | | | |
| (in millions, except per share data) | | | | | |
| | $/share | | | $/share | |
| Earnings Attributable to AEP Common Shareholders | $2,774 | | | $2,998 | | |
| Weighted-Average Number of Basic AEP Common Shares Outstanding | 543.6 | | $5.10 | | 534.2 | $5.61 |
| Weighted-Average Dilutive Effect | 5.7 | | (0.05) | | 2.2 | (0.02) |
| Weighted-Average Number of Diluted AEP Common Shares Outstanding | 549.3 | | $5.05 | | 536.4 | $5.59 |
Table 103 after “The following tables provide a reconciliation of Cash, Cash Equivalents and Restricted Cash reported within the balance sheets that sum to t”
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| September 30, 2026 | | | | | |
| AEP | AEP Texas | | APCo | SWEPCo | |
| (in millions) | | | | | |
| Cash and Cash Equivalents | $418 | | $— | | $4 | $3 |
| Restricted Cash | 89 | | 9 | | 60 | 6 |
| Total Cash, Cash Equivalents and Restricted Cash | $507 | | $9 | | $64 | $9 |
Table 104 after “The following tables provide a reconciliation of Cash, Cash Equivalents and Restricted Cash reported within the balance sheets that sum to t”
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| December 31, 2025 | | | | | |
| AEP | AEP Texas | | APCo | SWEPCo | |
| (in millions) | | | | | |
| Cash and Cash Equivalents | $197 | | $— | | $5 | $2 |
| Restricted Cash | 71 | | 14 | | 18 | 15 |
| Total Cash, Cash Equivalents and Restricted Cash | $268 | | $14 | | $23 | $17 |
Table 105 after “Supplementary Cash Flow Information (Applies to AEP)”
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| Nine Months Ended September 30, | | |
| Cash Flow Information | 2026 | 2025 | |
| (in millions) | | |
| Cash Paid for: | | | |
| Interest, Net of Capitalized Amounts | $1,548 | | $1,315 |
| Noncash Investing and Financing Activities: | | | |
| Construction Expenditures Included in Current Liabilities as of September 30, | 1,813 | | 1,169 |
| Contribution in Aid of Construction Advances in Current Assets as of September 30, | 69 | | — |
First 8 of 9 rows. The CSV has all of them.
Table 106 after “The following tables provide AEP’s components of changes in AOCI and details of reclassifications from AOCI. The amortization of pension and”
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| Cash Flow Hedges | Pension | | | | |
| Three Months Ended September 30, 2026 | Commodity | Interest Rate | | and OPEB | Total | |
| (in millions) | | | | | |
| Balance in AOCI as of June 30, 2026 | $85 | | $(1) | | $(39) | $45 |
| Change in Fair Value Recognized in AOCI, Net of Tax | 16 | | 5 | | — | 21 |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) | (20) | | — | | — | (20) |
| Amortization of Actuarial (Gains) Losses | — | | — | | 1 | 1 |
First 8 of 13 rows. The CSV has all of them.
Table 107 after “The following tables provide AEP’s components of changes in AOCI and details of reclassifications from AOCI. The amortization of pension and”
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| Cash Flow Hedges | Pension | | | | |
| Three Months Ended September 30, 2025 | Commodity | Interest Rate | | and OPEB | Total | |
| (in millions) | | | | | |
| Balance in AOCI as of June 30, 2025 | $92 | | $— | | $(104) | $(12) |
| Change in Fair Value Recognized in AOCI, Net of Tax | (17) | | — | | — | (17) |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) | 3 | | — | | — | 3 |
| Interest Expense (a) | — | | (1) | | — | (1) |
First 8 of 13 rows. The CSV has all of them.
| Cash Flow Hedges | Pension | | | | |
| Nine Months Ended September 30, 2026 | Commodity | Interest Rate | | and OPEB | Total | |
| (in millions) | | | | | |
| Balance in AOCI as of December 31, 2025 | $78 | | $(1) | | $(41) | $36 |
| Change in Fair Value Recognized in AOCI, Net of Tax | 61 | | 5 | | — | 66 |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) | (68) | | — | | — | (68) |
| Amortization of Actuarial (Gains) Losses | — | | — | | 4 | 4 |
First 8 of 13 rows. The CSV has all of them.
| Cash Flow Hedges | Pension | | | | |
| Nine Months Ended September 30, 2025 | Commodity | Interest Rate | | and OPEB | Total | |
| (in millions) | | | | | |
| Balance in AOCI as of December 31, 2024 | $99 | | $3 | | $(105) | $(3) |
| Change in Fair Value Recognized in AOCI, Net of Tax | (15) | | (1) | | — | (16) |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) | (9) | | — | | — | (9) |
| Interest Expense (a) | — | | (3) | | — | (3) |
First 8 of 14 rows. The CSV has all of them.
Table 110 after “The table below summarizes the net book value including CWIP, before cost of removal and materials and supplies, as of September 30, 2026, o”
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| Plant | Net Book Value | Accelerated Depreciation Regulatory Asset | | Cost of Removal Regulatory Liability | | Projected Retirement Date | | Current Authorized Recovery Period | | Annual Depreciation (a) | | |
| (dollars in millions) | | | | | | | | | | | |
| Northeastern Plant, Unit 3 | $50 | | $259 | | $22 | | (b) | 2026 | | | (c) | $8 |
| Welsh Plant, Units 1 and 3 | 220 | | 264 | | 56 | | (d) | 2028 | (e) | | (f) | 43 |
Table 111 after “Regulatory Assets Pending Final Regulatory Approval (Applies to all Registrants except OPCo)”
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| | AEP | | |
| | September 30, | December 31, | |
| | 2026 | 2025 | |
| Noncurrent Regulatory Assets | | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | | |
| Welsh Plant, Units 1 and 3 Accelerated Depreciation | | $264 | | $220 |
| UTM Deferred Costs | | 89 | | 56 |
| System Resiliency Plan Deferred Costs - Texas | | 73 | | 17 |
First 8 of 19 rows. The CSV has all of them.
Table 112 after “Approved for collection through rates, subject to refund, for the Oklahoma and SWEPCo-Texas jurisdictions.”
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| AEP Texas | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | |
| UTM Deferred Costs | $89 | | $56 |
| Storm-Related Costs | 41 | | 41 |
| System Resiliency Plan Deferred Costs | 34 | | 17 |
First 8 of 13 rows. The CSV has all of them.
| AEPTCo | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | |
| Income Taxes, Net | $9 | | $9 |
| Total Regulatory Assets Pending Final Regulatory Approval | $9 | | $9 |
| APCo | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | |
| Other Regulatory Assets Pending Final Regulatory Approval | $2 | | $2 |
| Regulatory Assets Currently Not Earning a Return | | | |
| Plant Retirement Costs – Asset Retirement Obligation Costs (a) | 188 | | 169 |
First 8 of 16 rows. The CSV has all of them.
Table 115 after “million of Virginia storm operation and maintenance costs. See the “2025 Virginia Securitization Filing” section below for additional inform”
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| I&M | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | |
| Other Regulatory Assets Pending Final Regulatory Approval | $5 | | $4 |
| Regulatory Assets Currently Not Earning a Return | | | |
| Plant Retirement Costs – Asset Retirement Obligation Costs (a) | 82 | | 78 |
First 8 of 11 rows. The CSV has all of them.
| PSO | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Not Earning a Return | | | |
| Storm-Related Costs | $38 | | $25 |
| Oklahoma Senate Bill 998 Deferral | 28 | | 9 |
| Generation PBA and Delayed Retirement Deferral | 27 | | 13 |
First 8 of 12 rows. The CSV has all of them.
Table 117 after “Includes ARO adjustment related to the revised CCR Rule to be addressed in PSO’s 2026 Oklahoma Base Rate Case regulatory proceeding. See the”
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| SWEPCo | | |
| September 30, | December 31, | |
| 2026 | 2025 | |
| Noncurrent Regulatory Assets | (in millions) | | |
| Regulatory Assets Currently Earning a Return | | | |
| Welsh Plant, Units 1 and 3 Accelerated Depreciation | $264 | | $220 |
| Plant Retirement Costs - Unrecovered Plant, Pirkey - Texas, FERC | 61 | | 93 |
| System Resiliency Plan Deferred Costs - Texas | 39 | | 1 |
First 8 of 15 rows. The CSV has all of them.
| Eligible Costs Approved by the WVPSC for Securitization | APCo | WPCo | | Total | |
| (in millions) | | | | |
| Undepreciated Utility Plant Balances of Amos, Mitchell and Mountaineer (as of December 31, 2022) | $1,145 | | $559 | | $1,704 |
| ENEC Under-Recovery Regulatory Assets | 274 | | 319 | | 593 |
| Forecasted Undepreciated CCR and ELG Investments of Amos, Mitchell and Mountaineer (as of November 30, 2024) | 88 | | 149 | | 237 |
| Deferred Storm Other Operation and Maintenance Expense Regulatory Assets | 155 | | 3 | | 158 |
| Upfront Financing Costs (a) | 10 | | 6 | | 16 |
| Total | $1,672 | | $1,036 | | $2,708 |
Table 119 after “The annual revenue requirement increase as a result of the transition to stand-alone treatment of NOLCs for transmission formula rates is sh”
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| 2021 | 2022 | | 2023 | 2024 | 2025 | | Total | | |
| (in millions) | | | | | | | | | |
| $78 | | $68 | | $61 | | $52 | | $49 | $308 |
| AEP | AEPTCo | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Total Revenues | $270 | | $214 | | $6 | | $11 | | $— | $6 | $27 |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | (24) | | — | | (17) | | — | | — | — | — |
| Other Operation | 53 | | — | | 15 | | (6) | | — | 19 | 10 |
| Income (Loss) Before Income Tax Expense (Benefit) | 241 | | 214 | | 8 | | 17 | | — | (13) | 17 |
| Income Tax Expense (Benefit) | (313) | | (203) | | (21) | | (28) | | — | (16) | (39) |
| Net Income | 554 | | 417 | | 29 | | 45 | | — | 3 | 56 |
First 8 of 10 rows. The CSV has all of them.
Table 121 after “As of September 30, 2026, the maximum potential loss by the Registrants for these lease agreements assuming the fair value of the equipment ”
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| Company | Maximum Potential Loss |
| (in millions) |
| AEP | $34 |
| AEP Texas | 7 |
| APCo | 5 |
| I&M | 3 |
| OPCo | 6 |
| PSO | 3 |
First 8 of 9 rows. The CSV has all of them.
Table 122 after “The table below summarizes the impact at acquisition on PSO’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | Operating Lease Assets | | Asset Retirement Obligations | |
| | | (MWs) | (in millions) | | | | |
| Lazbuddie | TX | Wind | 265 | $637 | | $20 | | $8 |
Table 123 after “The table below summarizes the impact at acquisition on I&M’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | Materials and Supplies | | Accounts Receivable | Accounts Payable | |
| | | (MWs) | (in millions) | | | | | |
| Big Sandy Peaker | WV | Natural Gas | 318 | $300 | | $3 | | $11 | $4 |
Table 124 after “The table below summarizes the impact at acquisition on AGR’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | Materials and Supplies | | Accounts Receivable | Accounts Payable | |
| | | (MWs) | (in millions) | | | | | |
| Wolf Hills | VA | Natural Gas | 263 | $85 | | $2 | | $7 | $3 |
Table 125 after “The table below summarizes the impact at acquisition on APCo’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | Operating Lease Assets | | Asset Retirement Obligations | |
| | | (MWs) | (in millions) | | | | |
| Grover Hill | OH | Wind | 143 | $361 | | $8 | | $1 |
Table 126 after “The table below summarizes the impact at acquisition on I&M’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | Prepayments and Other Current Assets | | Materials and Supplies | Accounts Receivable | Accounts Payable | | |
| | | (MWs) | (in millions) | | | | | | | |
| Oregon Plant | OH | Natural Gas | 870 | $918 | | $35 | | $5 | | $16 | $9 |
Table 127 after “The table below summarizes the impact at acquisition on PSO’s balance sheets:”
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| Plant Name | State | Fuel Type | Net Maximum Capacity | Property, Plant and Equipment, Net | | Operating Lease Assets | | | Asset Retirement Obligations | Other Liabilities | | | | |
| | | (MWs) | (in millions) | | | | | | | | | | |
| Green Country | OK | Natural Gas | 904 | $819 | | | $— | | | $— | | $91 | | (a) |
| Pixley | KS | Solar | 189 | 380 | | | 9 | | | 12 | | — | | |
| Flat Ridge IV | KS | Wind | 135 | 305 | | | 7 | | | 3 | | — | | |
| Flat Ridge V | KS | Wind | 153 | 338 | | | 9 | | | 4 | | — | | |
| Total | | | 1,381 | | $1,842 | | | $25 | | | $19 | | $91 | |
| Three Months Ended September 30, 2026 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $24 | | $2 | | $2 | | $5 | | $2 | $2 | $2 |
| Interest Cost | 51 | | 5 | | 6 | | 6 | | 5 | 3 | 3 |
| Expected Return on Plan Assets | (63) | | (5) | | (9) | | (10) | | (8) | (4) | (4) |
| Amortization of Net Actuarial Loss | 11 | | — | | 2 | | 1 | | 1 | 1 | 1 |
| Settlements (a) | (1) | | (5) | | — | | — | | 1 | 1 | — |
| Net Periodic Benefit Cost (Credit) | $22 | | $(3) | | $1 | | $2 | | $1 | $3 | $2 |
| Three Months Ended September 30, 2025 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $24 | | $3 | | $2 | | $4 | | $2 | $2 | $2 |
| Interest Cost | 53 | | 4 | | 6 | | 6 | | 5 | 3 | 3 |
| Expected Return on Plan Assets | (70) | | (6) | | (9) | | (10) | | (7) | (4) | (4) |
| Amortization of Net Actuarial Loss | 4 | | — | | 1 | | — | | — | — | 1 |
| Net Periodic Benefit Cost | $11 | | $1 | | $— | | $— | | $— | $1 | $2 |
| Nine Months Ended September 30, 2026 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $75 | | $7 | | $7 | | $10 | | $7 | $5 | $7 |
| Interest Cost | 154 | | 13 | | 18 | | 18 | | 14 | 8 | 9 |
| Expected Return on Plan Assets | (191) | | (15) | | (25) | | (26) | | (20) | (11) | (11) |
| Amortization of Net Actuarial Loss | 32 | | 2 | | 4 | | 3 | | 3 | 2 | 2 |
| Settlements (a) | (8) | | (13) | | — | | — | | (5) | 5 | — |
| Net Periodic Benefit Cost (Credit) | $62 | | $(6) | | $4 | | $5 | | $(1) | $9 | $7 |
| Nine Months Ended September 30, 2025 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $72 | | $7 | | $6 | | $9 | | $7 | $5 | $6 |
| Interest Cost | 159 | | 13 | | 19 | | 19 | | 14 | 8 | 9 |
| Expected Return on Plan Assets | (211) | | (17) | | (28) | | (29) | | (22) | (12) | (11) |
| Amortization of Net Actuarial Loss | 12 | | 1 | | 2 | | 1 | | 1 | 1 | 1 |
| Net Periodic Benefit Cost (Credit) | $32 | | $4 | | $(1) | | $— | | $— | $2 | $5 |
| Three Months Ended September 30, 2026 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $1 | | $— | | $— | | $— | | $— | $— | $— |
| Interest Cost | 8 | | 1 | | 1 | | 1 | | 2 | — | 1 |
| Expected Return on Plan Assets | (29) | | (2) | | (4) | | (4) | | (4) | (2) | (2) |
| Amortization of Prior Service Credit | (1) | | — | | — | | — | | — | — | — |
| Amortization of Net Actuarial Gain | (1) | | — | | — | | — | | — | — | — |
| Net Periodic Benefit Credit | $(22) | | $(1) | | $(3) | | $(3) | | $(2) | $(2) | $(1) |
| Three Months Ended September 30, 2025 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $1 | | $— | | $— | | $— | | $— | $— | $— |
| Interest Cost | 9 | | 1 | | 1 | | 1 | | 1 | 1 | 1 |
| Expected Return on Plan Assets | (29) | | (2) | | (4) | | (3) | | (3) | (2) | (2) |
| Amortization of Prior Service Credit | (1) | | — | | — | | — | | — | — | — |
| Net Periodic Benefit Credit | $(20) | | $(1) | | $(3) | | $(2) | | $(2) | $(1) | $(1) |
| Nine Months Ended September 30, 2026 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $3 | | $— | | $— | | $— | | $— | $— | $— |
| Interest Cost | 23 | | 2 | | 3 | | 3 | | 2 | 1 | 2 |
| Expected Return on Plan Assets | (88) | | (7) | | (12) | | (11) | | (9) | (5) | (6) |
| Amortization of Prior Service Credit | (2) | | — | | — | | — | | — | — | — |
| Amortization of Net Actuarial Gain | (2) | | — | | — | | — | | — | — | — |
| Net Periodic Benefit Credit | $(66) | | $(5) | | $(9) | | $(8) | | $(7) | $(4) | $(4) |
| Nine Months Ended September 30, 2025 | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Service Cost | $3 | | $— | | $— | | $— | | $— | $— | $— |
| Interest Cost | 26 | | 2 | | 4 | | 3 | | 3 | 1 | 2 |
| Expected Return on Plan Assets | (85) | | (7) | | (13) | | (10) | | (9) | (4) | (6) |
| Amortization of Prior Service Credit | (2) | | — | | — | | — | | — | — | — |
| Amortization of Net Actuarial Gain | (1) | | — | | — | | — | | — | — | — |
| Net Periodic Benefit Credit | $(59) | | $(5) | | $(9) | | $(7) | | $(6) | $(3) | $(4) |
Table 136 after “The following table provides details of the contribution by Registrant:”
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| Company | Qualified Pension Plan |
| (in millions) |
| AEP | $95 |
| AEP Texas | 12 |
| APCo | — |
| I&M | 2 |
| PSO | 1 |
| SWEPCo | 9 |
Table 137 after “The tables below represent AEP’s reportable segment income statement information for the three and nine months ended September 30, 2026 and ”
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| Three Months Ended September 30, 2026 | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | |
| (in millions) | | | | | | | | | | | | | |
| Revenues from: | | | | | | | | | | | | | | |
| External Customers | $3,923 | | $1,853 | | $133 | | $922 | | $6,831 | | $1 | $— | | $6,832 |
| Other Operating Segments | 78 | | 15 | | 482 | | 28 | | 603 | | 37 | (640) | (b) | — |
| Total Revenues | 4,001 | | 1,868 | | 615 | | 950 | | 7,434 | | 38 | (640) | | 6,832 |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 1,121 | | 258 | | — | | 792 | | 2,171 | | — | (84) | | 2,087 |
First 8 of 18 rows. The CSV has all of them.
Table 138 after “The tables below represent AEP’s reportable segment income statement information for the three and nine months ended September 30, 2026 and ”
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| Three Months Ended September 30, 2025 | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | |
| (in millions) | | | | | | | | | | | | | |
| Revenues from: | | | | | | | | | | | | | | |
| External Customers | $3,511 | | $1,680 | | $120 | | $694 | | $6,005 | | $6 | $— | | $6,011 |
| Other Operating Segments | 75 | | 10 | | 453 | | 18 | | 556 | | 30 | (586) | (b) | — |
| Total Revenues | 3,586 | | 1,690 | | 573 | | 712 | | 6,561 | | 36 | (586) | | 6,011 |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 1,168 | | 264 | | — | | 625 | | 2,057 | | — | (76) | | 1,981 |
First 8 of 18 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | |
| (in millions) | | | | | | | | | | | | | |
| Revenues from: | | | | | | | | | | | | | | |
| External Customers | $10,338 | | $5,015 | | $389 | | $2,546 | | $18,288 | | $9 | $— | | $18,297 |
| Other Operating Segments | 223 | | 45 | | 1,434 | | 65 | | 1,767 | | 90 | (1,857) | (b) | — |
| Total Revenues | 10,561 | | 5,060 | | 1,823 | | 2,611 | | 20,055 | | 99 | (1,857) | | 18,297 |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 3,096 | | 716 | | — | | 2,234 | | 6,046 | | — | (238) | | 5,808 |
First 8 of 19 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | |
| (in millions) | | | | | | | | | | | | | |
| Revenues from: | | | | | | | | | | | | | | |
| External Customers | $9,531 | | $4,638 | | $391 | | $1,976 | | $16,536 | | $25 | $— | | $16,561 |
| Other Operating Segments | 208 | | 28 | | 1,481 | | 49 | | 1,766 | | 85 | (1,851) | (b) | — |
| Total Revenues | 9,739 | | 4,666 | | 1,872 | | 2,025 | | 18,302 | | 110 | (1,851) | | 16,561 |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 3,164 | | 730 | | — | | 1,701 | | 5,595 | | — | (220) | | 5,375 |
First 8 of 18 rows. The CSV has all of them.
| September 30, 2026 | | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | | |
| (in millions) | | | | | | | | | | | | | | |
| Total Assets | $67,958 | | $32,162 | | $21,285 | | $3,130 | | $124,535 | | $7,136 | (d) | $(5,976) | (e) | $125,695 |
| Investments in Equity Method Investees | $8 | | $2 | | $1,112 | | $— | | $1,122 | | $282 | | $— | | $1,404 |
| December 31, 2025 | | | | | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Total Reportable Segments | | Corporate and Other (a) | Reconciling Adjustments | Consolidated | | | | | |
| (in millions) | | | | | | | | | | | | | | |
| Total Assets | $61,778 | | $29,272 | | $19,719 | | $2,003 | | $112,772 | | $6,733 | (d) | $(5,045) | (e) | $114,460 |
| Investments in Equity Method Investees | $9 | | $4 | | $1,068 | | $— | | $1,081 | | $171 | | $— | | $1,252 |
Table 143 after “The tables below present AEPTCo’s reportable segment income statement information for the three and nine months ended September 30, 2026 and”
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| Three Months Ended September 30, 2026 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Revenues from: | | | | | | | | |
| External Customers | $112 | | $— | | | $— | | $112 |
| Sales to AEP Affiliates | 480 | | — | | | — | | 480 |
| Other Revenues | 2 | | — | | | — | | 2 |
| Total Revenues | 594 | | — | | | — | | 594 |
First 8 of 18 rows. The CSV has all of them.
Table 144 after “The tables below present AEPTCo’s reportable segment income statement information for the three and nine months ended September 30, 2026 and”
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| Three Months Ended September 30, 2025 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Revenues from: | | | | | | | | |
| External Customers | $108 | | $— | | | $— | | $108 |
| Sales to AEP Affiliates | 450 | | — | | | — | | 450 |
| Total Revenues | 558 | | — | | | — | | 558 |
| Other Operation and Maintenance | 51 | | — | | | — | | 51 |
First 8 of 17 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Revenues from: | | | | | | | | |
| External Customers | $329 | | $— | | | $— | | $329 |
| Sales to AEP Affiliates | 1,422 | | — | | | — | | 1,422 |
| Other Revenues | 9 | | — | | | — | | 9 |
| Total Revenues | 1,760 | | — | | | — | | 1,760 |
First 8 of 18 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Revenues from: | | | | | | | | |
| External Customers | $357 | | $— | | | $— | | $357 |
| Sales to AEP Affiliates | 1,470 | | — | | | — | | 1,470 |
| Total Revenues | 1,827 | | — | | | — | | 1,827 |
| Other Operation and Maintenance | 127 | | — | | | — | | 127 |
First 8 of 17 rows. The CSV has all of them.
| September 30, 2026 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Total Assets | $19,391 | | $7,111 | | (d) | $(7,033) | (e) | $19,469 |
| December 31, 2025 | | | | | | | |
| State Transcos | AEPTCo Parent | | Reconciling Adjustments | | AEPTCo Consolidated | | |
| (in millions) | | | | | | | |
| Total Assets | $17,983 | | $6,766 | | (d) | $(6,750) | (e) | $17,999 |
Table 149 after “The following table represents the gross notional volume of the Registrants’ outstanding derivative contracts:”
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| Notional Volume of Derivative Instruments | | | | | | | | | | | | | | | | | | | | | | |
| September 30, 2026 | December 31, 2025 | | | | | | | | | | | | | | | | | | | | | |
| Primary Risk Exposure | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | AEP | | AEP Texas | APCo | I&M | | OPCo | PSO | SWEPCo | | | | | |
| (in millions) | | | | | | | | | | | | | | | | | | | | | | |
| Commodity: | | | | | | | | | | | | | | | | | | | | | | | |
| Power (MWhs) | 336 | | — | | 34 | | 18 | | 2 | | 6 | | 6 | | 327 | | — | | 23 | 8 | 2 | 8 | 6 |
| Natural Gas (MMBtus) | 204 | | — | | 43 | | 5 | | — | | 72 | | 18 | | 166 | | — | | 48 | — | — | 44 | 26 |
| Heating Oil and Gasoline (Gallons) | 12 | | 2 | | 1 | | 4 | | 2 | | 1 | | 1 | | 8 | | 2 | | 1 | 2 | 1 | 1 | 1 |
First 8 of 10 rows. The CSV has all of them.
Table 150 after “The following tables represent the gross fair value of the Registrants’ derivative activity on the balance sheets. The derivative instrument”
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| September 30, 2026 | | | | | | | | | | |
| AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| Assets: | (in millions) | | | | | | | | | | |
| Current Risk Management Assets | | | | | | | | | | | |
| Risk Management Contracts - Commodity | $1,473 | | $2 | | $190 | | $51 | | $1 | $42 | $44 |
| Hedging Contracts - Commodity | 76 | | — | | — | | — | | — | — | — |
| Total Current Risk Management Assets | 1,549 | | 2 | | 190 | | 51 | | 1 | 42 | 44 |
| Long-term Risk Management Assets | | | | | | | | | | | |
First 8 of 25 rows. The CSV has all of them.
| December 31, 2025 | | | | | | | | | | |
| AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| Assets: | (in millions) | | | | | | | | | | |
| Current Risk Management Assets | | | | | | | | | | | |
| Risk Management Contracts - Commodity | $720 | | $— | | $82 | | $23 | | $— | $44 | $37 |
| Hedging Contracts - Commodity | 56 | | — | | — | | — | | — | — | — |
| Total Current Risk Management Assets | 776 | | — | | 82 | | 23 | | — | 44 | 37 |
| Long-term Risk Management Assets | | | | | | | | | | | |
First 8 of 25 rows. The CSV has all of them.
Table 152 after “The following tables show the net amounts of assets and liabilities presented on the balance sheets. The gross amounts offset include counte”
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| September 30, 2026 | | | | | | | | | | |
| AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| Assets: | (in millions) | | | | | | | | | | |
| Current Risk Management Assets | | | | | | | | | | | |
| Gross Amounts Recognized | $1,549 | | $2 | | $190 | | $51 | | $1 | $42 | $44 |
| Gross Amounts Offset | (961) | | (2) | | (2) | | (25) | | (1) | (1) | (1) |
| Net Amounts Presented | 588 | | — | | 188 | | 26 | | — | 41 | 43 |
| Long-term Risk Management Assets | | | | | | | | | | | |
First 8 of 23 rows. The CSV has all of them.
Table 153 after “The following tables show the net amounts of assets and liabilities presented on the balance sheets. The gross amounts offset include counte”
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| | December 31, 2025 | | | | | | | | | | |
| AEP | | AEP Texas | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| Assets: | | (in millions) | | | | | | | | | | |
| Current Risk Management Assets | | | | | | | | | | | | |
| Gross Amounts Recognized | | $776 | | $— | | $82 | | $23 | | $— | $44 | $37 |
| Gross Amounts Offset | | (424) | | — | | (1) | | (13) | | — | (2) | (2) |
| Net Amounts Presented | | 352 | | — | | 81 | | 10 | | — | 42 | 35 |
| Long-term Risk Management Assets | | | | | | | | | | | | |
First 8 of 23 rows. The CSV has all of them.
Table 154 after “Amount of Gain (Loss) Recognized on Risk Management Contracts”
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| Three Months Ended September 30, 2026 | | | | | | | | | | |
| Location of Gain (Loss) | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Vertically Integrated Utilities Revenues | $(10) | | $— | | $— | | $— | | $— | $— | $— |
| Generation & Marketing Revenues | 59 | | — | | — | | — | | — | — | — |
| Electric Generation, Transmission and Distribution Revenues | — | | — | | 1 | | (11) | | — | — | — |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 7 | | — | | 7 | | — | | — | — | — |
| Other Operation | 1 | | 1 | | — | | — | | — | — | — |
First 8 of 12 rows. The CSV has all of them.
Table 155 after “Amount of Gain (Loss) Recognized on Risk Management Contracts”
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| Three Months Ended September 30, 2025 | | | | | | | | | | |
| Location of Gain (Loss) | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Vertically Integrated Utilities Revenues | $6 | | $— | | $— | | $— | | $— | $— | $— |
| Generation & Marketing Revenues | 11 | | — | | — | | — | | — | — | — |
| Electric Generation, Transmission and Distribution Revenues | — | | — | | — | | 6 | | — | — | — |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 1 | | — | | 1 | | — | | — | — | — |
| Regulatory Assets (a) | (4) | | — | | — | | 1 | | 3 | (12) | 3 |
First 8 of 10 rows. The CSV has all of them.
Table 156 after “Amount of Gain (Loss) Recognized on Risk Management Contracts”
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| Nine Months Ended September 30, 2026 | | | | | | | | | | |
| Location of Gain (Loss) | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Vertically Integrated Utilities Revenues | $(39) | | $— | | $— | | $— | | $— | $— | $— |
| Generation & Marketing Revenues | 169 | | — | | — | | — | | — | — | — |
| Electric Generation, Transmission and Distribution Revenues | — | | — | | 2 | | (41) | | — | — | — |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 20 | | — | | 20 | | — | | — | — | — |
| Other Operation | 3 | | 1 | | — | | — | | — | — | — |
First 8 of 12 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | | | | |
| Location of Gain (Loss) | AEP | AEP Texas | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Vertically Integrated Utilities Revenues | $(14) | | $— | | $— | | $— | | $— | $— | $— |
| Generation & Marketing Revenues | 71 | | — | | — | | — | | — | — | — |
| Electric Generation, Transmission and Distribution Revenues | — | | — | | — | | (15) | | — | — | — |
| Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 5 | | — | | 5 | | — | | — | — | — |
| Regulatory Assets (a) | (9) | | — | | — | | — | | 3 | (14) | 1 |
First 8 of 10 rows. The CSV has all of them.
Table 158 after “The following table shows the impacts recognized on the balance sheets related to the hedged items in fair value hedging relationships:”
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| Carrying Amount of the Hedged Liabilities | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Liabilities | | | | |
| September 30, 2026 | December 31, 2025 | | September 30, 2026 | December 31, 2025 | |
| (in millions) | | | | | |
| Long-term Debt (a) (b) | $(479) | | $(484) | | $21 | $15 |
Table 159 after “The pretax effects of fair value hedge accounting on income were as follows:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| Gain (Loss) on Interest Rate Contracts: | | | | | | |
| Fair Value Hedging Instruments (a) | $(3) | | $(1) | | $— | $23 |
| Fair Value Portion of Long-term Debt (a) | 3 | | 1 | | — | (23) |
Table 160 after “Cash flow hedges included in Accumulated Other Comprehensive Income (Loss) on the balance sheets were:”
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| Impact of Cash Flow Hedges on the Registrants’ Balance Sheets | | | | | | | | | | | | |
| September 30, 2026 | December 31, 2025 | | | | | | | | | | | |
| | | | Portion Expected to | | | | Portion Expected to | | | | | |
| AOCI | be Reclassed to | | AOCI | be Reclassed to | | | | | | | | |
| Gain (Loss) | Net Income During | | Gain (Loss) | Net Income During | | | | | | | | |
| Net of Tax | the Next Twelve Months | | Net of Tax | the Next Twelve Months | | | | | | | | |
| Commodity | Interest Rate | | Commodity | Interest Rate | Commodity | | Interest Rate | Commodity | Interest Rate | | | |
| (in millions) | | | | | | | | | | | | |
First 8 of 14 rows. The CSV has all of them.
Table 161 after “The book values and fair values of Long-term Debt are summarized in the following table:”
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| September 30, 2026 | December 31, 2025 | | | | |
| Company | Book Value | Fair Value | | Book Value | Fair Value | |
| (in millions) | | | | | |
| AEP | $52,541 | | $47,152 | | $47,322 | $44,930 |
| AEP Texas | 7,686 | | 6,748 | | 7,016 | 6,586 |
| AEPTCo | 6,837 | | 5,553 | | 6,599 | 5,812 |
| APCo | 7,422 | | 6,928 | | 6,259 | 6,147 |
| I&M | 4,118 | | 3,542 | | 3,561 | 3,288 |
First 8 of 11 rows. The CSV has all of them.
Table 162 after “The following is a summary of Other Temporary Investments and Restricted Cash:”
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| September 30, 2026 | | | | | |
| | Gross | | Gross | | |
| | Unrealized | | Unrealized | Fair | |
| Other Temporary Investments and Restricted Cash | Cost | Gains | | Losses | Value | |
| (in millions) | | | | | |
| Restricted Cash (a) | $89 | | $— | | $— | $89 |
| Other Cash Deposits | 15 | | — | | — | 15 |
| Fixed Income Securities – Mutual Funds (b) | 198 | | — | | (7) | 191 |
First 8 of 10 rows. The CSV has all of them.
Table 163 after “The following is a summary of Other Temporary Investments and Restricted Cash:”
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| December 31, 2025 | | | | | |
| | Gross | | Gross | | |
| | Unrealized | | Unrealized | Fair | |
| Other Temporary Investments and Restricted Cash | Cost | Gains | | Losses | Value | |
| (in millions) | | | | | |
| Restricted Cash (a) | $71 | | $— | | $— | $71 |
| Other Cash Deposits | 13 | | — | | — | 13 |
| Fixed Income Securities – Mutual Funds (b) | 167 | | — | | (2) | 165 |
First 8 of 10 rows. The CSV has all of them.
Table 164 after “The following table provides the activity for fixed income and equity securities within Other Temporary Investments:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| Proceeds from Investment Sales | $1 | | $— | | $8 | $17 |
| Purchases of Investments | 22 | | 13 | | 37 | 20 |
| Gross Realized Gains on Investment Sales | — | | — | | 1 | 4 |
| Gross Realized Losses on Investment Sales | — | | — | | — | 1 |
Table 165 after “The following is a summary of nuclear trust fund investments:”
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| September 30, 2026 | December 31, 2025 | | | | | | | | | | | |
| | Gross | | Gross | Other-Than- | | | Gross | Gross | Other-Than- | | | |
| Fair | Unrealized | | Unrealized | Temporary | Fair | | Unrealized | Unrealized | Temporary | | | |
| Value | Gains | | Losses | Impairments | Value | | Gains | Losses | Impairments | | | |
| (in millions) | | | | | | | | | | | | |
| Cash and Cash Equivalents | $35 | | $— | | $— | | $— | | $29 | | $— | $— | $— |
| Fixed Income Securities: | | | | | | | | | | | | | |
| United States Government | 1,440 | | — | | (21) | | (30) | | 1,351 | | 22 | (1) | (15) |
First 8 of 12 rows. The CSV has all of them.
Table 166 after “The following table provides the securities activity within the decommissioning and SNF trusts:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| Proceeds from Investment Sales | $1,226 | | $1,038 | | $2,435 | $2,332 |
| Purchases of Investments | 1,244 | | 1,057 | | 2,493 | 2,387 |
| Gross Realized Gains on Investment Sales | 126 | | 113 | | 134 | 117 |
| Gross Realized Losses on Investment Sales | 23 | | 1 | | 30 | 4 |
Table 167 after “The fair value of fixed income securities held in the nuclear trust funds, summarized by contractual maturities, as of September 30, 2026 wa”
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| Fair Value of Fixed |
| Income Securities |
| (in millions) |
| Within 1 year | $462 |
| After 1 year through 5 years | 730 |
| After 5 years through 10 years | 273 |
| After 10 years | 358 |
| Total | $1,823 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Other Temporary Investments and Restricted Cash | | | | | | | | |
| Restricted Cash | $75 | | $— | | $— | | $14 | $89 |
| Other Cash Deposits (a) | — | | — | | — | | 15 | 15 |
| Fixed Income Securities – Mutual Funds | 191 | | — | | — | | — | 191 |
| Equity Securities – Mutual Funds (b) | 46 | | — | | — | | — | 46 |
| Total Other Temporary Investments and Restricted Cash | 312 | | — | | — | | 29 | 341 |
First 8 of 29 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Other Temporary Investments and Restricted Cash | | | | | | | | |
| Restricted Cash | $48 | | $— | | $— | | $23 | $71 |
| Other Cash Deposits (a) | — | | — | | — | | 13 | 13 |
| Fixed Income Securities – Mutual Funds | 165 | | — | | — | | — | 165 |
| Equity Securities – Mutual Funds (b) | 42 | | — | | — | | — | 42 |
| Total Other Temporary Investments and Restricted Cash | 255 | | — | | — | | 36 | 291 |
First 8 of 29 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $9 | | $— | | $— | | $— | $9 |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | — | | 2 | | — | | (2) | — |
| Total Assets | $9 | | $2 | | $— | | $(2) | $9 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $14 | | $— | | $— | | $— | $14 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $60 | | $— | | $— | | $— | $60 |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | — | | 7 | | 183 | | (2) | 188 |
| Total Assets | $60 | | $7 | | $183 | | $(2) | $248 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
First 8 of 9 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $18 | | $— | | $— | | $— | $18 |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | — | | 3 | | 81 | | (2) | 82 |
| Total Assets | $18 | | $3 | | $81 | | $(2) | $100 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
First 8 of 9 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $16 | | $28 | | $(18) | $26 |
| Spent Nuclear Fuel and Decommissioning Trusts | | | | | | | | |
| Cash and Cash Equivalents (e) | 18 | | — | | — | | 17 | 35 |
| Fixed Income Securities: | | | | | | | | |
| United States Government | — | | 1,440 | | — | | — | 1,440 |
First 8 of 16 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $12 | | $9 | | $(11) | $10 |
| Spent Nuclear Fuel and Decommissioning Trusts | | | | | | | | |
| Cash and Cash Equivalents (e) | 14 | | — | | — | | 15 | 29 |
| Fixed Income Securities: | | | | | | | | |
| United States Government | — | | 1,351 | | — | | — | 1,351 |
First 8 of 16 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $1 | | $— | | $(1) | $— |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $— | | $22 | | $— | $22 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Liabilities: | (in millions) | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $— | | $33 | | $— | $33 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $1 | | $41 | | $(1) | $41 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $34 | | $— | | $— | $34 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $1 | | $43 | | $(2) | $42 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
| Risk Management Commodity Contracts (c) | $— | | $28 | | $2 | | $(2) | $28 |
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $6 | | $— | | $— | | $— | $6 |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | — | | 1 | | 43 | | (1) | 43 |
| Total Assets | $6 | | $1 | | $43 | | $(1) | $49 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
First 8 of 9 rows. The CSV has all of them.
| Level 1 | Level 2 | | Level 3 | Other | Total | | |
| Assets: | (in millions) | | | | | | | |
| Restricted Cash for Securitized Funding | $15 | | $— | | $— | | $— | $15 |
| Risk Management Assets | | | | | | | | |
| Risk Management Commodity Contracts (c) | — | | — | | 37 | | (2) | 35 |
| Total Assets | $15 | | $— | | $37 | | $(2) | $50 |
| Liabilities: | | | | | | | | |
| Risk Management Liabilities | | | | | | | | |
First 8 of 9 rows. The CSV has all of them.
| Three Months Ended September 30, 2026 | AEP | APCo | | I&M | OPCo | PSO | | SWEPCo | | |
| (in millions) | | | | | | | | | |
| Balance as of June 30, 2026 | $380 | | $171 | | $22 | | $(28) | | $43 | $42 |
| Realized Gain (Loss) Included in Net Income (or Changes in Net Assets) (a) (b) | 123 | | 44 | | 6 | | — | | 25 | 33 |
| Unrealized Gain (Loss) Included in Net Income (or Changes in Net Assets) Relating to Assets Still Held at the Reporting Date (a) | (28) | | — | | — | | — | | — | — |
| Realized and Unrealized Gains (Losses) Included in Other Comprehensive Income (c) | 4 | | — | | — | | — | | — | — |
| Settlements | (192) | | (69) | | (8) | | — | | (42) | (48) |
| Transfers into Level 3 (d) (e) | 5 | | — | | — | | — | | — | — |
First 8 of 11 rows. The CSV has all of them.
| Three Months Ended September 30, 2025 | AEP | APCo | | I&M | OPCo | PSO | | SWEPCo | | |
| (in millions) | | | | | | | | | |
| Balance as of June 30, 2025 | $383 | | $108 | | $12 | | $(48) | | $97 | $69 |
| Realized Gain (Loss) Included in Net Income (or Changes in Net Assets) (a) (b) | 45 | | 15 | | 4 | | — | | 14 | 10 |
| Unrealized Gain (Loss) Included in Net Income (or Changes in Net Assets) Relating to Assets Still Held at the Reporting Date (a) | 13 | | — | | — | | — | | — | — |
| Realized and Unrealized Gains (Losses) Included in Other Comprehensive Income (c) | 1 | | — | | — | | — | | — | — |
| Settlements | (132) | | (34) | | (7) | | 1 | | (45) | (30) |
| Transfers into Level 3 (d) (e) | 7 | | — | | — | | — | | — | — |
First 8 of 11 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | AEP | APCo | | I&M | OPCo | PSO | | SWEPCo | | |
| (in millions) | | | | | | | | | |
| Balance as of December 31, 2025 | $259 | | $81 | | $9 | | $(33) | | $41 | $35 |
| Realized Gain (Loss) Included in Net Income (or Changes in Net Assets) (a) (b) | 245 | | 162 | | 12 | | 1 | | 47 | 18 |
| Unrealized Gain (Loss) Included in Net Income (or Changes in Net Assets) Relating to Assets Still Held at the Reporting Date (a) | (24) | | — | | — | | — | | — | — |
| Realized and Unrealized Gains (Losses) Included in Other Comprehensive Income (c) | 14 | | — | | — | | — | | — | — |
| Settlements | (463) | | (243) | | (21) | | 3 | | (88) | (52) |
| Transfers into Level 3 (d) (e) | 3 | | — | | — | | — | | — | — |
First 8 of 11 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | AEP | APCo | | I&M | OPCo | PSO | | SWEPCo | | |
| (in millions) | | | | | | | | | |
| Balance as of December 31, 2024 | $166 | | $35 | | $6 | | $(47) | | $20 | $17 |
| Realized Gain (Loss) Included in Net Income (or Changes in Net Assets) (a) (b) | 155 | | 49 | | 13 | | — | | 38 | 42 |
| Unrealized Gain (Loss) Included in Net Income (or Changes in Net Assets) Relating to Assets Still Held at the Reporting Date (a) | 31 | | — | | — | | — | | — | — |
| Realized and Unrealized Gains (Losses) Included in Other Comprehensive Income (c) | 14 | | — | | — | | — | | — | — |
| Settlements | (277) | | (84) | | (19) | | 5 | | (58) | (59) |
| Transfers into Level 3 (d) (e) | 1 | | — | | — | | — | | — | — |
First 8 of 11 rows. The CSV has all of them.
| | | | | | Significant | Input/Range | | | | | | |
| Type of | Fair Value | Valuation | | Unobservable | | | | Weighted | | | | |
| Company | Input | Assets | | Liabilities | | Technique | Input (a) | Low | | High | Average (b) | | |
| | (in millions) | | | | | | | | | | | |
| AEP | Energy Contracts | $230 | | | $181 | | Discounted Cash Flow | Forward Market Price | | $0.70 | | $235.15 | $56.21 |
| AEP | FTRs | 345 | | | 21 | | Discounted Cash Flow | Forward Market Price | | (78.84) | | 104.78 | 2.08 |
| APCo | FTRs | 183 | | | — | | Discounted Cash Flow | Forward Market Price | | (2.15) | | 35.03 | 5.51 |
| I&M | FTRs | 28 | | | 5 | | Discounted Cash Flow | Forward Market Price | | (8.24) | | 35.03 | 1.44 |
First 8 of 11 rows. The CSV has all of them.
| | | | | | Significant | Input/Range | | | | | | |
| Type of | Fair Value | Valuation | | Unobservable | | | | Weighted | | | | |
| Company | Input | Assets | | Liabilities | | Technique | Input (a) | Low | | High | Average (b) | | |
| | (in millions) | | | | | | | | | | | |
| AEP | Energy Contracts | $224 | | | $144 | | Discounted Cash Flow | Forward Market Price | | $5.65 | | $141.75 | $50.61 |
| AEP | FTRs | 187 | | | 8 | | Discounted Cash Flow | Forward Market Price | | (32.49) | | 21.68 | 0.49 |
| APCo | FTRs | 81 | | | — | | Discounted Cash Flow | Forward Market Price | | (0.26) | | 17.55 | 3.47 |
| I&M | FTRs | 9 | | | — | | Discounted Cash Flow | Forward Market Price | | (0.46) | | 21.68 | 1.60 |
First 8 of 11 rows. The CSV has all of them.
Table 188 after “The ETR for each of the Registrants are included in the following tables:”
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| Three Months Ended September 30, 2026 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| U.S. Federal Statutory Rate | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | 21.0% | 21.0% |
| Increase (Decrease) due to: | | | | | | | | | | | | | |
| State and Local Income Taxes, Net | (0.6)% | | 0.3% | | 2.3% | | (3.4)% | | (0.4)% | | 1.1% | 1.7% | (5.5)% |
| Tax Reform Excess ADIT Reversal | (2.4)% | | (0.7)% | | 0.2% | | (4.9)% | | (2.2)% | | (8.9)% | (1.0)% | (2.1)% |
| Production and Investment Tax Credits | (6.7)% | | (0.1)% | | —% | | (3.1)% | | (13.1)% | | —% | (12.7)% | (22.4)% |
| Reversal of Origination Flow-Through | (0.4)% | | —% | | (0.3)% | | (3.3)% | | (1.0)% | | (0.8)% | —% | (0.3)% |
First 8 of 11 rows. The CSV has all of them.
Table 189 after “The ETR for each of the Registrants are included in the following tables:”
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| Three Months Ended September 30, 2025 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| U.S. Federal Statutory Rate | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | 21.0% | 21.0% |
| Increase (Decrease) due to: | | | | | | | | | | | | | |
| State and Local Income Taxes, Net | 1.2% | | 0.6% | | 2.5% | | (1.2)% | | 2.8% | | 1.0% | 3.0% | (3.9)% |
| Tax Reform Excess ADIT Reversal | (2.5)% | | (2.3)% | | 0.2% | | (3.5)% | | (5.5)% | | (2.7)% | (4.8)% | (3.2)% |
| Production and Investment Tax Credits | (7.9)% | | (0.1)% | | —% | | 0.1% | | (26.6)% | | —% | (50.6)% | (27.5)% |
| Reversal of Origination Flow-Through | 1.3% | | 0.1% | | 0.3% | | 6.7% | | 2.2% | | 0.6% | 0.2% | 0.7% |
First 8 of 12 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| U.S. Federal Statutory Rate | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | 21.0% | 21.0% |
| Increase (Decrease) due to: | | | | | | | | | | | | | |
| State and Local Income Taxes, Net | 1.0% | | 0.5% | | 2.4% | | (1.3)% | | 2.5% | | 1.0% | 1.7% | (7.2)% |
| Tax Reform Excess ADIT Reversal | (2.9)% | | (1.1)% | | 0.2% | | (4.9)% | | (2.4)% | | (10.5)% | (1.8)% | (3.1)% |
| Production and Investment Tax Credits | (9.5)% | | (0.1)% | | —% | | (4.8)% | | (11.0)% | | —% | (40.1)% | (59.4)% |
| AFUDC Equity | (1.5)% | | (2.5)% | | (1.8)% | | (0.8)% | | (0.6)% | | (0.9)% | (1.0)% | (1.8)% |
First 8 of 11 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | | | | | | |
| AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| U.S. Federal Statutory Rate | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | | 21.0% | 21.0% | 21.0% |
| Increase (Decrease) due to: | | | | | | | | | | | | | |
| State and Local Income Taxes, Net | 1.0% | | 0.6% | | 2.5% | | 0.4% | | 2.4% | | 1.2% | 3.0% | (3.3)% |
| Tax Reform Excess ADIT Reversal | (1.8)% | | (2.6)% | | 0.4% | | (2.7)% | | (2.5)% | | (3.0)% | (4.1)% | (2.0)% |
| Remeasurement of Excess ADIT | (12.4)% | | —% | | (25.5)% | | (5.9)% | | (12.8)% | | —% | (8.8)% | (17.2)% |
| Production and Investment Tax Credits | (7.1)% | | (0.1)% | | —% | | —% | | (20.9)% | | —% | (50.9)% | (31.0)% |
First 8 of 13 rows. The CSV has all of them.
Table 192 after “The following tables show the amount of income taxes paid or (received) on an interim basis, for each Registrant:”
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| Nine Months Ended September 30, 2026 | AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| Income Taxes Paid/(Received) | $26 | | $(20) | | $124 | | $(49) | | $116 | | $(21) | $(32) | $(34) |
| Transfer Credits | (63) | | — | | — | | (4) | | (50) | | — | (6) | (3) |
| Total Cash Paid/(Received) | $(37) | | $(20) | | $124 | | $(53) | | $66 | | $(21) | $(38) | $(37) |
Table 193 after “The following tables show the amount of income taxes paid or (received) on an interim basis, for each Registrant:”
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| Nine Months Ended September 30, 2025 | AEP | AEP Texas | | AEPTCo | APCo | I&M | | OPCo | PSO | SWEPCo | | | |
| (in millions) | | | | | | | | | | | | |
| Income Taxes Paid/(Received) | $60 | | $33 | | $115 | | $76 | | $1 | | $53 | $(86) | $(61) |
| Transfer Credits | (102) | | — | | — | | — | | — | | — | (48) | (54) |
| Total Cash Paid/(Received) | $(42) | | $33 | | $115 | | $76 | | $1 | | $53 | $(134) | $(115) |
Table 194 after “AEP has entered into the following forward sales under its ATM program and its March 2025 and May 2026 forward sale of equity agreements as ”
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| Final Maturity | Common Shares into Forward (Number of Shares) | Settled (Number of Shares) (a) | | Net Proceeds from Settlement (a) | Common Shares Remaining in Forward (Number of Shares) | Expected Proceeds (b) | | |
| | (shares and dollars in millions) | | | | | | | |
| March 2025 Forward Sale | December 2026 | 23 | | 5 | | $500 | | 18 | $1,729 |
| ATM Forward (c) | December 2026/July 2028 | 6 | | — | | — | | 6 | 684 |
| May 2026 Forward Sale | May 2028 | 24 | | — | | — | | 24 | 2,945 |
Table 195 after “The following table details long-term debt outstanding, net of issuance costs and premiums or discounts:”
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| Type of Debt | September 30, 2026 | December 31, 2025 | |
| (in millions) | | |
| Senior Unsecured Notes | $41,626 | | $37,190 |
| Pollution Control Bonds | 1,637 | | 1,637 |
| Notes Payable | 574 | | 683 |
| Securitization Bonds | 2,262 | | 984 |
| Spent Nuclear Fuel Obligation (a) | 339 | | 330 |
| Junior Subordinated Notes | 4,683 | | 4,681 |
First 8 of 12 rows. The CSV has all of them.
Table 196 after “Long-term debt and other securities issued, retired and principal payments made during the first nine months of 2026 are shown in the follow”
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| | Principal | Interest | | | |
| Company | Type of Debt | Amount (a) | Rate | | Due Date | |
| Issuances: | | (in millions) | (%) | | | |
| AEP | Pollution Control Bonds | $50 | | 3.50 | | 2030 |
| AEP Texas | Senior Unsecured Notes | 750 | | 5.20 | | 2036 |
| AEPTCo | Other Long-term Debt | 214 | | Variable | | 2028 |
| AEPTCo | Senior Unsecured Notes | 650 | | 5.25 | | 2036 |
| APCo | Securitization Bonds | 450 | | 4.96 | | 2035 |
First 8 of 22 rows. The CSV has all of them.
| | Principal | Interest | | | |
| Company | Type of Debt | Amount Paid (a) | Rate | | Due Date | |
| Retirements and Principal Payments: | (in millions) | (%) | | | | |
| AEP | Pollution Control Bonds | $50 | | 3.20 | | 2026 |
| AEP Texas | Securitization Bonds | 25 | | 2.29 | | 2029 |
| AEP Texas | Senior Unsecured Notes | 50 | | 3.81 | | 2026 |
| AEPTCo | Other Long-term Debt | 623 | | Variable | | 2028 |
| APCo | Other Long-term Debt | 175 | | Variable | | 2026 |
First 8 of 26 rows. The CSV has all of them.
Table 198 after “The Utility Money Pool participants’ money pool activity and corresponding authorized borrowing limits for the nine months ended September 3”
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| Maximum | | | Average | | Net Loans to | | | | | |
| Borrowings | Maximum | | Borrowings | Average | (Borrowings from) | | Authorized | | | |
| from the | Loans to the | | from the | Loans to the | the Utility Money | | Short-term | | | |
| Utility | Utility | | Utility | Utility | Pool as of | | Borrowing | | | |
| Company | Money Pool | Money Pool | | Money Pool | Money Pool | September 30, 2026 | | Limit | | | |
| (in millions) | | | | | | | | | | |
| AEP Texas | $624 | | $540 | | $313 | | $295 | | $382 | $750 | |
| AEPTCo | 474 | | 342 | | 137 | | 56 | | (196) | 1,070 | (a) |
First 8 of 13 rows. The CSV has all of them.
Table 199 after “The Nonutility Money Pool participants’ activity for the nine months ended September 30, 2026 is described in the following table:”
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| | Maximum Loans | Average Loans | | Loans to the Nonutility | |
| | to the Nonutility | to the Nonutility | | Money Pool as of | |
| Company | | Money Pool | Money Pool | | September 30, 2026 | |
| (in millions) | | | | | |
| AEP Texas | | $7 | | $7 | | $7 |
Table 200 after “AEPTCo’s direct financing activities with AEP and corresponding authorized borrowing limit for the nine months ended September 30, 2026 are ”
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| | | | | | Borrowings | | | Authorized | | |
| Maximum | Maximum | | Average | Average | from AEP | | Loans to | Short-term | | |
| Borrowings | Loans | | Borrowings | Loans | as of | | AEP as of | Borrowing | | |
| Company | from AEP | to AEP | | from AEP | to AEP | September 30, | | September 30, | Limit (a) | | |
| (in millions) | | | | | | | | | | |
| AEPTCo Parent | $133 | | $578 | | $131 | | $194 | | $— | $112 | $— |
| Midwest Transmission Holdings | — | | 10 | | — | | — | | — | 10 | — |
| SWTCo | 2 | | — | | 2 | | — | | 2 | — | 50 |
Table 201 after “The maximum and minimum interest rates for funds either borrowed from or loaned to the Utility Money Pool are summarized in the following ta”
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| Nine Months Ended September 30, | | |
| 2026 | 2025 | |
| Maximum Interest Rate | 4.26% | | 4.83% |
| Minimum Interest Rate | 2.57% | | 4.00% |
Table 202 after “The average interest rates for funds borrowed from and loaned to the Utility Money Pool are summarized in the following table:”
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| Average Interest Rate for Funds | Average Interest Rate for Funds | | | | |
| Borrowed from the Utility Money Pool | Loaned to the Utility Money Pool | | | | |
| for Nine Months Ended September 30, | for Nine Months Ended September 30, | | | | |
| Company | 2026 | 2025 | | 2026 | 2025 | |
| AEP Texas | 3.94% | | 4.67% | | 3.98% | 4.37% |
| AEPTCo | 3.98% | | 4.65% | | 3.99% | 4.62% |
| APCo | 4.00% | | 4.67% | | 4.01% | 4.58% |
| I&M | 3.92% | | 4.69% | | 3.95% | 4.50% |
First 8 of 11 rows. The CSV has all of them.
Table 203 after “Maximum, minimum and average interest rates for funds loaned to the Nonutility Money Pool are summarized in the following table:”
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| Nine Months Ended September 30, 2026 | Nine Months Ended September 30, 2025 | | | | | | | | |
| Maximum | Minimum | | Average | Maximum | Minimum | | Average | | |
| Interest Rate | Interest Rate | | Interest Rate | Interest Rate | Interest Rate | | Interest Rate | | |
| for Funds | for Funds | | for Funds | for Funds | for Funds | | for Funds | | |
| Loaned to | Loaned to | | Loaned to | Loaned to | Loaned to | | Loaned to | | |
| the Nonutility | the Nonutility | | the Nonutility | the Nonutility | the Nonutility | | the Nonutility | | |
| Company | Money Pool | Money Pool | | Money Pool | Money Pool | Money Pool | | Money Pool | | |
| AEP Texas | 4.22% | | 3.83% | | 4.01% | | 4.76% | | 4.27% | 4.66% |
First 8 of 9 rows. The CSV has all of them.
Table 204 after “AEPTCo’s maximum, minimum and average interest rates for funds either borrowed from or loaned to AEP are summarized in the following table:”
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| Maximum | Minimum | | Maximum | | Minimum | | Average | | Average | | |
| Interest Rate | Interest Rate | | Interest Rate | | Interest Rate | | Interest Rate | | Interest Rate | | |
| Nine Months | for Funds | for Funds | | for Funds | | for Funds | | for Funds | | for Funds | | |
| Ended | Borrowed | Borrowed | | Loaned | | Loaned | | Borrowed | | Loaned | | |
| September 30, | from AEP | from AEP | to AEP | | to AEP | | from AEP | | to AEP | | | |
| 2026 | 4.22% | | 3.83% | | | 4.22% | | | 3.83% | | 3.99% | 4.02% |
| 2025 | 4.76% | | 4.27% | | | 4.76% | | | 4.27% | | 4.64% | 4.64% |
Table 205 after “Outstanding short-term debt was as follows:”
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| | September 30, 2026 | December 31, 2025 | | | | | |
| | Outstanding | Interest | | Outstanding | | Interest | |
| Company | Type of Debt | Amount | Rate (a) | | Amount | | Rate (a) | |
| | (dollars in millions) | | | | | | |
| AEP | Securitized Debt for Receivables (b) | $900 | | 4.03% | | | $900 | 4.00% |
| AEP | Commercial Paper | 975 | | 4.21% | | | 605 | 3.92% |
| SWEPCo | Notes Payable | — | | —% | | | 3 | 6.30% |
| Total Short-term Debt | $1,875 | | | | $1,508 | | |
Table 206 after “Accounts receivable information for AEP Credit was as follows:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| 2026 | 2025 | | 2026 | 2025 | |
| (dollars in millions) | | | | | |
| Effective Interest Rates on Securitization of Accounts Receivable | 3.97% | | 4.52% | | 3.94% | 4.56% |
| Net Uncollectible Accounts Receivable Written-Off | $14 | | $11 | | $30 | $25 |
Table 207 after “Accounts receivable information for AEP Credit was as follows:”
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| September 30, 2026 | December 31, 2025 | |
| (in millions) | | |
| Accounts Receivable Retained Interest and Pledged as Collateral Less Uncollectible Accounts | $1,559 | | $1,230 |
| Short-term – Securitized Debt of Receivables | 900 | | 900 |
| Delinquent Securitized Accounts Receivable | 41 | | 66 |
| Bad Debt Reserves Related to Securitization | 41 | | 42 |
| Unbilled Receivables Related to Securitization | 338 | | 368 |
Table 208 after “The amount of accounts receivable and accrued unbilled revenues under the sale of receivables agreements were:”
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| Company | September 30, 2026 | December 31, 2025 | |
| (in millions) | | |
| APCo | $210 | | $203 |
| I&M | 191 | | 175 |
| OPCo | 600 | | 501 |
| PSO | 281 | | 140 |
| SWEPCo | 232 | | 169 |
Table 209 after “The fees paid to AEP Credit for customer accounts receivable sold were:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| Company | 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| APCo | $4 | | $4 | | $11 | $11 |
| I&M | 4 | | 4 | | 12 | 11 |
| OPCo | 14 | | 7 | | 29 | 22 |
| PSO | 5 | | 4 | | 11 | 10 |
| SWEPCo | 4 | | 4 | | 11 | 12 |
Table 210 after “The proceeds on the sale of receivables to AEP Credit were:”
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| Three Months Ended September 30, | Nine Months Ended September 30, | | | | |
| Company | 2026 | 2025 | | 2026 | 2025 | |
| (in millions) | | | | | |
| APCo | $452 | | $495 | | $1,411 | $1,530 |
| I&M | 723 | | 683 | | 2,068 | 1,813 |
| OPCo | 1,070 | | 927 | | 2,799 | 2,523 |
| PSO | 809 | | 659 | | 1,722 | 1,466 |
| SWEPCo | 644 | | 550 | | 1,539 | 1,434 |
Table 211 after “The balances below represent the assets and liabilities of consolidated VIEs. These balances include intercompany transactions that are elim”
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| September 30, 2026 | | | | | | | | | | | | | | | | | |
| Consolidated VIEs | | | | | | | | | | | | | | | | | |
| SWEPCo Sabine | I&M DCC Fuel | | AEP Texas Restoration Funding | APCo Appalachian Consumer Rate Relief Funding | APCo Appalachian Recovery Funding | | SWEPCo Storm Recovery Funding | | KPCo Cost Recovery Funding | AEP Credit | | Protected Cell of EIS | Transource Energy | | | | |
| (in millions) | | | | | | | | | | | | | | | | | |
| ASSETS | | | | | | | | | | | | | | | | | | |
| Current Assets | $1 | | $75 | | $15 | | $10 | | | $52 | | $9 | | $12 | | $1,561 | $257 | $55 |
| Net Property, Plant and Equipment | — | | 132 | | — | | — | | | — | | — | | — | | — | — | 692 |
| Other Noncurrent Assets | 57 | | 67 | | 80 | (a) | 57 | | (b) | 1,350 | | 302 | | 452 | (c) | 11 | 2 | 27 |
First 8 of 14 rows. The CSV has all of them.
| December 31, 2025 | | | | | | | | | | | | | | | | | | | |
| Consolidated VIEs | | | | | | | | | | | | | | | | | | | |
| SWEPCo Sabine | I&M DCC Fuel | | AEP Texas Restoration Funding | APCo Appalachian Consumer Rate Relief Funding | | SWEPCo Storm Recovery Funding | | KPCo Cost Recovery Funding | | AEP Credit | | Protected Cell of EIS | | Transource Energy | | | | | |
| (in millions) | | | | | | | | | | | | | | | | | | | |
| ASSETS | | | | | | | | | | | | | | | | | | | | |
| Current Assets | $1 | | $118 | | $18 | | | $18 | | | $17 | | | $24 | | | $1,232 | | $223 | $45 |
| Net Property, Plant and Equipment | — | | 227 | | — | | | — | | | — | | | — | | | — | | — | 658 |
| Other Noncurrent Assets | 80 | 118 | | 98 | (a) | 79 | (b) | 312 | | 462 | | (c) | 10 | | | — | | 4 | | |
First 8 of 14 rows. The CSV has all of them.
Table 213 after “The Registrants record ARO in accordance with the accounting guidance for “Asset Retirement and Environmental Obligations” for legal obligat”
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| Company | ARO as of December 31, 2025 | Accretion Expense | | Liabilities Incurred | Liabilities Settled | Revisions in Cash Flow Estimates (a) | | ARO as of September 30, 2026 | | |
| (in millions) | | | | | | | | | |
| AEP (b)(c)(d)(e)(f) | $3,712 | | $131 | | $11 | | $(72) | | $43 | $3,825 |
| PSO (b)(e)(f) | 143 | | 7 | | 8 | | (5) | | 19 | 172 |
| SWEPCo (b)(d)(e)(f) | 290 | | 12 | | — | | (42) | | 4 | 264 |
Table 214 after “The tables below represent AEP’s reportable segment and Registrant Subsidiary revenues from contracts with customers, net of respective prov”
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| Three Months Ended September 30, 2026 | | | | | | | | | | |
| VIU (a) | T&D | | AEPTHCo | G&M | Corporate and Other | | Reconciling Adjustments | AEP Consolidated | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $1,612 | | $905 | | $— | | $— | | $— | $— | $2,517 |
| Commercial Revenues | 997 | | 518 | | — | | — | | — | — | 1,515 |
| Industrial Revenues (b) | 738 | | 149 | | — | | — | | — | — | 887 |
| Other Retail Revenues | 76 | | 16 | | — | | — | | — | — | 92 |
First 8 of 21 rows. The CSV has all of them.
| Three Months Ended September 30, 2025 | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Corporate and Other | | Reconciling Adjustments | AEP Consolidated | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $1,436 | | $798 | | $— | | $— | | $— | $— | $2,234 |
| Commercial Revenues | 861 | | 423 | | — | | — | | — | — | 1,284 |
| Industrial Revenues (a) | 710 | | 134 | | — | | — | | — | (1) | 843 |
| Other Retail Revenues | 67 | | 15 | | — | | — | | — | — | 82 |
First 8 of 21 rows. The CSV has all of them.
| Three Months Ended September 30, 2026 | | | | | | | | | | |
| AEP Texas | AEPTCo | | APCo | I&M | OPCo | | PSO (a) | SWEPCo (a) | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $272 | | $— | | $459 | | $245 | | $633 | $442 | $338 |
| Commercial Revenues | 132 | | — | | 203 | | 281 | | 385 | 224 | 202 |
| Industrial Revenues (b) | 43 | | — | | 195 | | 153 | | 106 | 130 | 115 |
| Other Retail Revenues | 11 | | — | | 27 | | 1 | | 4 | 42 | 3 |
First 8 of 20 rows. The CSV has all of them.
| Three Months Ended September 30, 2025 | | | | | | | | | | |
| AEP Texas | AEPTCo | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $244 | | $— | | $438 | | $249 | | $554 | $335 | $297 |
| Commercial Revenues | 124 | | — | | 195 | | 217 | | 298 | 185 | 189 |
| Industrial Revenues (a) | 42 | | — | | 198 | | 150 | | 92 | 112 | 112 |
| Other Retail Revenues | 11 | | — | | 26 | | 1 | | 5 | 33 | 4 |
First 8 of 20 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | | | | |
| VIU (a) | T&D | | AEPTHCo | G&M | Corporate and Other | | Reconciling Adjustments | AEP Consolidated | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $4,048 | | $2,300 | | $— | | $— | | $— | $— | $6,348 |
| Commercial Revenues | 2,648 | | 1,400 | | — | | — | | — | — | 4,048 |
| Industrial Revenues (b) | 2,089 | | 422 | | — | | — | | — | — | 2,511 |
| Other Retail Revenues | 195 | | 45 | | — | | — | | — | — | 240 |
First 8 of 21 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | | | | |
| VIU | T&D | | AEPTHCo | G&M | Corporate and Other | | Reconciling Adjustments | AEP Consolidated | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $3,818 | | $2,149 | | $— | | $— | | $— | $— | $5,967 |
| Commercial Revenues | 2,276 | | 1,225 | | — | | — | | — | — | 3,501 |
| Industrial Revenues (a) | 2,032 | | 402 | | — | | — | | — | (1) | 2,433 |
| Other Retail Revenues | 182 | | 45 | | — | | — | | — | — | 227 |
First 8 of 21 rows. The CSV has all of them.
| Nine Months Ended September 30, 2026 | | | | | | | | | | |
| AEP Texas | AEPTCo | | APCo | I&M | OPCo | | PSO (a) | SWEPCo (a) | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $620 | | $— | | $1,396 | | $679 | | $1,680 | $852 | $744 |
| Commercial Revenues | 365 | | — | | 579 | | 807 | | 1,034 | 494 | 526 |
| Industrial Revenues (b) | 122 | | — | | 578 | | 458 | | 300 | 316 | 312 |
| Other Retail Revenues | 32 | | — | | 80 | | 4 | | 12 | 96 | 9 |
First 8 of 20 rows. The CSV has all of them.
| Nine Months Ended September 30, 2025 | | | | | | | | | | |
| AEP Texas | AEPTCo | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | |
| Retail Revenues: | | | | | | | | | | | |
| Residential Revenues | $596 | | $— | | $1,410 | | $671 | | $1,553 | $701 | $681 |
| Commercial Revenues | 358 | | — | | 583 | | 562 | | 867 | 422 | 485 |
| Industrial Revenues (a) | 123 | | — | | 600 | | 440 | | 279 | 274 | 305 |
| Other Retail Revenues | 32 | | — | | 82 | | 4 | | 13 | 79 | 9 |
First 8 of 20 rows. The CSV has all of them.
Table 222 after “The following table represents the Registrants’ remaining fixed performance obligations satisfied over time as of September 30, 2026. Fixed ”
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| Company | 2026 | 2027-2028 | | 2029-2030 | After 2030 | Total | | |
| (in millions) | | | | | | | |
| AEP | $18 | | $54 | | $12 | | $2 | $86 |
| APCo | 2 | | 13 | | 7 | | 2 | 24 |
| I&M | — | | 1 | | 1 | | 1 | 3 |
Table 223 after “The following table represents the amount of affiliated accounts receivable from contracts with customers included in Accounts Receivable - ”
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| | AEP Texas | AEPTCo | | APCo | I&M | OPCo | | PSO | SWEPCo | | |
| (in millions) | | | | | | | | | | | |
| September 30, 2026 | | $1 | | $157 | | $149 | | $83 | | $90 | $35 | $48 |
| December 31, 2025 | | — | | 146 | | 113 | | 67 | | 74 | 22 | 65 |
Table 224 after “The documents designated with an (*) below have previously been filed on behalf of the Registrants shown and are incorporated herein by refe”
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| Exhibit | Description | Previously Filed as Exhibit to: |
| AEP Texas‡ File No. 333-221643 | | |
| *10.1 | Note Purchase Agreement, dated July 7, 2026, by and among AEP Texas, the Secretary of Energy acting through the U.S. Department of Energy and the Federal Financing Bank. | Form 8-K dated July 8, 2026, Exhibit 10.1 |
| *10.2 | Future Advance Promissory Note of AEP Texas, dated July 7, 2026. | Form 8-K dated July 8, 2026, Exhibit 10.2 |
| *10.3 | Loan Guarantee Agreement, dated July 7, 2026, by and between AEP Texas, and the U.S. Department of Energy. | Form 8-K dated July 8, 2026, Exhibit 10.3 |
| PSO‡ File No. 0-343 | | |
| *4(a) | Fourteenth Supplemental Indenture, dated as of August 1, 2026, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, establishing the terms of the 5.40% Senior Notes, Series O, due 2034 and the 6.30% Senior Notes, Series P, due 2056. | Form 8-K dated August 14, 2026, Exhibit 4(a) |
| SWEPCo‡ File No. 1-3146 | | |
First 8 of 9 rows. The CSV has all of them.
Table 225 after “The exhibits designated with an (X) in the table below are being filed on behalf of the Registrants.”
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| Exhibit | Description | AEP | AEP Texas | AEPTCo | APCo | I&M | OPCo | PSO | SWEPCo |
| 31(a) | Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | X | X | X | X | X | X | X | X |
| 31(b) | Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | X | X | X | X | X | X | X | X |
| 32(a) | Certification of Chief Executive Officer Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code | X | X | X | X | X | X | X | X |
| 32(b) | Certification of Chief Financial Officer Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code | X | X | X | X | X | X | X | X |
| 101.INS | XBRL Instance Document | The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. | | | | | | | |
| 101.SCH | XBRL Taxonomy Extension Schema | X | X | X | X | X | X | X | X |
| 101.CAL | XBRL Taxonomy Extension Calculation Linkbase | X | X | X | X | X | X | X | X |
First 8 of 12 rows. The CSV has all of them.