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Screener / SEC EDGAR /CIK 0001002910 /10-K filed Feb 18, 2026, compared with Feb 18, 2025 /Numbers from the XBRL of the 10-Ks
NYSE Utilities · Electric & Gas Utilities

Ameren AEE

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The 10-K against last year's

255 changes: 36 added, 55 removed, 158 reworded, 6 quiet changes

10-K Feb 18, 2026 vs Feb 18, 2025
Risk Factors 14.8% of the text changed · 9,008 words now · 4 new paragraphs, 6 gone MD&A 35.4% of the text changed · 23,262 words now · 32 new paragraphs, 49 gone Legal Proceedings 34.6% of the text changed · 2,298 words now Accounting Policies 15.9% of the text changed · 4,199 words now

10-K 0001002910-26-000009 (Feb 18, 2026) vs 10-K 0001002910-25-000055 (Feb 18, 2025)

Every paragraph, and how much of it changed

One bar per paragraph, in the order of the 10-K. Height and colour show the share of its words not in the closest paragraph a year earlier; the tallest bars are new paragraphs.

Risk Factors

94 paragraphs · 4 new · 37 reworded · 6 gone · 10-K Feb 18, 2026 against Feb 18, 2025
New paragraph Reworded (5% of its words or more) Same or nearly
Paragraph 70 · 43% changed Every version of it
The Ameren Companies have historically experienced minimal growth in energy demand for the past two decades. Recent However, current industry projections reflect the potential for significant growth in energy demand over the next decade, primarily arising from data centers to support artificial intelligence and further augmented by onshoring and electrification of manufacturing and an increase in transportation electrification. In addition, in February 2026, Ameren Missouri executed electric service agreements with large load customers under its large load customer rate plan, representing 2.2 gigawatts of demand. The Ameren Companies may or may not experience the energy demand growth currently being forecasted depending on the decisions of potential new customers about whether to locate their operations within our service territories. If new territories or whether customers elect to locate that have signed electric service agreements begin operations within our service territories, the Ameren Companies may not be able to provide the necessary electric service within the time periods required by those customers. The Ameren Companies may need to accelerate new generation build within current plans, and construct or obtain new generation sources and expand transmission and distribution facilities that are not currently within their plans. The Ameren Companies may not be able to plan, receive regulatory approvals, and execute those plans in a timely manner. Future expected timeframes. Also, demand from these customers growth may not be realized at the current projected pace as a result rate, or in the amount, expected if construction of customer facilities is not completed within expected timeframes, which is dependent on the ability of suppliers, contractors, and developers to meet contractual commitments and timely complete projects. In addition, expected demand growth may not be realized if emerging technologies are not broadly adopted at the rate expected, increased efficiency efficiencies in computing, and computing or other advances in these new customers may be transitory and exit our service territory. Significant uncertainty exists regarding future increases in technologies reduce energy demand within the Ameren Companies’ service territory, and whether and how the Ameren Companies will construct for data centers, or obtain the assets necessary to timely serve that additional demand. large load customers, such as data centers,
Paragraph 43 · 42% changed Every version of it
•inability to operate wind generation facilities at full capacity resulting from requirements to protect natural resources, including wildlife, or other conditions limiting full capacity, such as the 2024 collapse of three turbines at the High Prairie Energy Center; pending the results of an ongoing investigation, approximately 90% of the turbines of the High Prairie Energy Center remain idle and the timing and costs necessary to return the energy center to full capacity are uncertain; capacity;
Paragraph 28 · 27% changed Every version of it
With respect to the transition of Ameren Missouri’s generation fleet that will be included in its 2025 Change to the 2023 PRP and carbon emission reduction targets, factors also include Ameren Missouri’s ability to obtain CCNs from the MoPSC, and any other required state or federal approvals for the addition of renewable resources, battery storage, or nuclear or natural gas-fired generation, retirement of energy centers, and new or continued customer energy-efficiency programs; the ability to enter into agreements for renewable, natural gas-fired, or nuclear generation or battery storage and acquire or construct that generation those resources at a reasonable cost; the ability to enter into natural gas supply agreements at reasonable prices and adequate quantities to power Ameren Missouri’s natural gas-fired energy centers; the ability to obtain NRC approval for an extension of the operating license for the Callaway Energy Center beyond its current 2044 expiration date; the continued existence and ability to qualify for, and use or transfer, federal production or investment tax credits; the cost of wind, solar, and other renewable generation and battery storage technologies; the cost of natural gas or hydrogen CT technologies; the cost of nuclear generation; the ability to maintain system reliability during and after the transition to clean energy generation; reliability; new and/or changes in environmental regulations, including those related to CO2 and other greenhouse gas emissions; energy prices; and demand. Also, changes to capacity accreditation rules adopted by the MISO could reduce the accredited capacity of renewable generation and battery storage and increase regional capacity prices, potentially requiring additional investment and higher costs to satisfy resource adequacy requirements. In addition, the presidential administration has issued executive orders and taken other actions to increase investment in fossil fuel infrastructure. This change in federal domestic energy policy has created uncertainty regarding the role existing renewable generation will play in supporting the United States’ energy grid and the timing and extent of future renewable generation infrastructure development. Ameren Missouri’s plan could be affected by this change in energy policy.
Paragraph 37 · 26% changed Every version of it
•inability to maintain reliability of our electric utility services as coal-fired energy centers are retired and renewable energy generation is placed in service, as well as our ability to meet generation capacity obligations; obligations, which could potentially increase if new data centers and/or other large primary service customers locate within our service territories;
Paragraph 48 · 24% changed Every version of it
•failure to keep pace with and the ability to adapt to rapid technological change; change, including generative and agentic artificial intelligence; and
Paragraph 8 · 23% changed Every version of it
In Beginning in 2024 through at least 2027, electric distribution rates for Ameren Illinois are established through an MYRP, which are subject to ongoing regulatory and judicial proceedings and associated risks, and are subject to a reconciliation cap. Additionally, Ameren Illinois is subject to certain performance metrics that if not achieved would result in a reduction to the company’s allowed ROE.
Paragraph 72 · 20% changed Every version of it
Forecasted energy demand from potential new customers and electrification might not be realized. Energy conservation, energy efficiency, distributed generation, energy storage, technological advances, and other factors could reduce energy demand from our existing customers.
Paragraph 79 · 16% changed Every version of it
Ameren is a holding company; therefore, its primary assets are its investments in the common stock of its subsidiaries, including Ameren Missouri, Ameren Illinois, and ATXI. As a result, Ameren’s ability to pay dividends on its common stock depends on the earnings of its subsidiaries and the ability of its subsidiaries to pay dividends or otherwise transfer funds to Ameren. Similarly, Ameren’s ability to service its debt obligations is dependent upon the earnings of its operating subsidiaries and the distribution of those earnings and other payments, including payments of principal and interest under affiliate indebtedness. The payment of dividends to Ameren by its subsidiaries in turn depends on the subsidiaries’ results of operations, and other items affecting retained earnings, and available cash. Ameren’s subsidiaries are separate and distinct legal entities and have no obligation, contingent or otherwise, to pay any dividends or make any other distributions (except for payments required pursuant to the terms of affiliate borrowing arrangements and cash payments under the tax allocation agreement) to Ameren. Under the IRA, a 15% minimum tax on adjusted financial statement income, as defined in the law, is assessed against corporations whose average annual adjusted financial statement income exceeds $1 billion for three consecutive preceding tax years effective for tax years beginning after December 31, 2022. years. Once a corporation exceeds this three-year average annual adjusted financial statement income threshold, it will be subject to the minimum tax for all future tax years. As Ameren is a holding company and files a consolidated income tax return, it is reliant on its subsidiaries to pay the minimum tax once the threshold is exceeded. The payments related to the minimum tax by Ameren Missouri, Ameren Illinois, and ATXI are expected to be recovered, subject to approval by their respective regulators. In addition, interpretations, regulations, amendments, or technical corrections that affect the amount and timing of income tax payments, credits available, or the transferability of production and investment tax credits could adversely affect our liquidity. Certain financing agreements, corporate organizational documents, and certain statutory and regulatory requirements may impose restrictions on the ability of Ameren Missouri, Ameren Illinois, and ATXI to transfer funds to Ameren in the form of cash dividends, loans, or advances.

MD&A

320 paragraphs · 32 new · 169 reworded · 49 gone · 10-K Feb 18, 2026 against Feb 18, 2025
New paragraph Reworded (5% of its words or more) Same or nearly
Paragraph 125 · 50% changed
•Bad debt costs debts increased $52 $6 million, primarily because of a higher base level of expenses included decline in customer rates pursuant to the associated rider. collections experience.
Paragraph 201 · 49% changed
•A $148 $23 million increase in net collateral posted with counterparties, payments to contractors, primarily due related to changes in the market prices higher levels of power, natural gas, reliability and other fuels. maintenance activity and costs to comply with the CEJA.
Paragraph 157 · 48% changed
•Interest Interest charges reflected a deferral increased $53 million in 2025, compared with 2024, primarily due to a regulatory asset the issuances of long-term debt in April 2024, October 2024, and April 2025 which increased interest by $45 million. Interest charges also increased by $22 million due to the December 2024 issuance of securitized utility tariff bonds associated with the retirement of the Rush Island Energy Center, see Note 5 - Long-Term Debt and Equity Financing under Part II, Item 8, in this report for more information. Additionally, the amount of interest associated with investments in eligible property, plant, and equipment not yet charges included in base rates, pursuant to rates for PISA and RESRAM. Base rates were RESRAM was updated to include the eligible property, plant, and equipment in-service through December 31, 2022, when new customer rates became effective on July 9, 2023, June 1, 2025, pursuant to the June 2023 April 2025 MoPSC electric rate order. This update Lower deferrals due to the inclusion in base rates resulted in a higher deferral of interest in 2024 pursuant to associated with certain property, plant, and equipment previously deferred under the PISA and RESRAM that decreased increased interest charges by $5 $30 million.
Paragraph 183 · 48% changed
•A $59 •Ameren Missouri paid $19 million charge related during 2025 to an order from the United States District Court for the Eastern District of Missouri, which resolved all outstanding claims fund mitigation programs ordered in the NSR and Clean Air Act litigation related to the Rush Island Energy Center, see discussed in Note 14 - – Commitments and Contingencies under Part II, Item 8, of this report for more information. report.
Paragraph 102 · 47% changed
•Increases in retail sales volumes increased Ameren Missouri’s fuel •Fuel and purchased power expenses $6 million. increased an estimated $11 million due to an increase in electric retail sales related to weather.
Paragraph 194 · 46% changed
•A $59 •Payments of $19 million charge related during 2025 to an order from the United States District Court for the Eastern District of Missouri, which resolved all outstanding claims fund mitigation programs ordered in the NSR and Clean Air Act litigation related to the Rush Island Energy Center, see discussed in Note 14 - – Commitments and Contingencies under Part II, Item 8, of this report for more information. report.
Paragraph 140 · 46% changed
•The deferral to amortization of a regulatory liability related to production tax credits allowed under the IRA asset associated with the Callaway securitization of Ameren Missouri’s Rush Island Energy Center that increased depreciation and amortization expenses by $90 $22 million.
Paragraph 75 · 45% changed
•The aggregate effect of weather increased revenues an estimated $3 $66 million as cooling degree days increased 7% primarily due to warmer July temperatures and heating degree days decreased 4%. colder winter temperatures.

A paragraph is matched with the one last year that shares the most of its words; under half in common makes it new. The paragraphs shown are the 8 reworded the most in each section.

The paragraph that changed most in each section

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Marked against last year's 10-K: cut words struck through, new words highlighted.

MD&A415 words changed in this paragraph; it is 36% similar to last year's version.
Net income attributable to Ameren common shareholders was $1,456 million, or $5.35 per diluted share, for 2025, and $1,182 million, or $4.42 per diluted share, for 2024, and $1,152 million, or $4.38 per diluted share, for 2023. 2024. Net income was favorably affected in 2024, 2025, compared with 2023, by increased infrastructure investments at Ameren Transmission and Ameren Missouri. Net income was also favorably affected in 2024, compared with 2023, by increased base rate revenues at Ameren Missouri effective June 1, 2025, pursuant to the MoPSC's June 2023 April 2025 MoPSC electric rate order as well as higher base rate revenues pursuant to the ICC's November 2023 natural gas rate order, which increased earnings and decreased tax expense at Ameren Transmission, Ameren Illinois Electric Distribution and Ameren Illinois Natural Gas. Additionally, earnings in 2024, compared with 2023, Gas due to the revaluation of excess deferred income tax regulatory liabilities. Earnings were also favorably affected by increased retail electric sales volumes at Ameren Missouri, primarily due to warmer July temperatures and colder winter temperatures in 2025, and by decreased other operations and maintenance expenses not subject to formula rates, riders, or trackers, largely because of lower energy center maintenance costs, lower storm costs, disciplined cost management including lower labor costs from decreased headcount and decreased use of contractors, and lower amortization of refueling costs for the Callaway Energy Center, partially offset by the absence in 2025 of the regulatory deferrals associated with the June 2023 MoPSC rate order. Net income in 2024, compared with 2023, was also favorably affected by increased retail electric sales volumes at an Ameren Missouri, primarily due to higher sales excluding customer energy-efficiency programs. Net income was unfavorably affected in 2024, compared with 2023, by two charges Missouri charge related to matters that originated over a decade ago. The first the resolution of these charges was recorded by Ameren Missouri related to an order from the United States District Court for the Eastern District of Missouri, which resolved all outstanding claims in the NSR and Clean Air Act litigation related to associated with the Rush Island Energy Center. The second charge was recognized Additionally, earnings were favorably affected by the increased deferral of financing costs related to rate base investments at Ameren Missouri and by increased infrastructure investments at Ameren Transmission and Ameren Illinois and ATXI for the decrease in the allowed base ROE under the MISO tariff resulting from the October 2024 FERC order, which included customer refunds for certain historical periods. Electric Distribution. Net income was unfavorably affected in 2024, 2025 compared with 2023, was also unfavorably affected 2024 by increased financing costs due to costs, primarily resulting from higher long-term interest rates on higher debt balances and interest rates at Ameren Missouri and Ameren (parent), (parent) and by increased other operations and maintenance expenses not subject to formula rates, riders, or trackers, excluding a lower recognized ROE under charge related to the MYRP, NSR and Clean Air Act litigation, primarily due to higher vegetation management costs, higher storm costs, and higher energy center maintenance expenses. Additionally, earnings were unfavorably affected by an increase in the weighted-average basic common shares outstanding, which reduced earnings per diluted share.

Source: Item 7, 10-K 0001002910-26-000009 vs Item 7, 10-K 0001002910-25-000055

Legal Proceedings347 words changed in this paragraph; it is 35% similar to last year's version.
Federal and state laws, including the CSAPR, regulate emissions of SO2 and NOx through the reduction of emissions at their source and the use and retirement of emission allowances. allowances available for state budgets. In April 2022, the EPA proposed the Good Neighbor Rule of the Clean Air Act, which includes additional NOx emission reductions from power plants in Missouri, Illinois, and other states through revisions to the CSAPR. In January 2023, the EPA issued its final disapproval of Missouri’s proposed state implementation plan for addressing reduce the transport of ozone under from power plants by reducing the amount of CSAPR NOx allowances available for compliance. The EPA subsequently rejected state implementation plans proposed by Missouri and other states to comply with the Good Neighbor Rule of the Clean Air Act. The disapproval of the state plan allowed the EPA to implement revisions to the CSAPR through and issued a federal implementation plan that reduced the amount of NOx allowances available plan. The disapprovals for state budgets and imposed NOx emission limits on electric generating units for Missouri, Illinois, and other states under the Good Neighbor Rule of the Clean Air Act. In April 2023, the Missouri Attorney General and Ameren Missouri separately filed lawsuits in the United States Court of Appeals for the Eighth Circuit challenging the EPA’s disapproval of the Missouri state plan. Ameren expected a decision on Missouri’s proposed state implementation plan under the Good Neighbor Rule by the United States Court of Appeals for the Eighth Circuit in 2025, but, in February 2025, the EPA requested that the appellate court suspend the case indefinitely and indicated it was reviewing the basis for the disapproval of the some state implementation plans, including Missouri’s. Missouri’s, were stayed by multiple appellate courts, and in 2024, the United States Supreme Court issued a stay of the federal implementation plan. In January 2026, the EPA issued a proposed rule to reconsider the Good Neighbor Rule. Ameren Missouri complies with the current CSAPR requirements by minimizing emissions through the use of with low-sulfur coal, operation of two scrubbers at its Sioux Energy Center, and optimization of existing NOx air pollution control equipment. Reducing If a final rule is issued similar to the amount of state budget proposed rule, Ameren Missouri would not expect additional NOx allowances for compliance with NOx emission limits under the Good Neighbor Rule could result in additional controls being required on Ameren Missouri’s generating units and/or the reduction of operations. Any costs for compliance are expected at its coal-fired energy centers to be recovered from customers, subject to MoPSC prudence review, through the FAC or higher base rates. necessary.

Source: Item 3, via Note 14 – COMMITMENTS AND CONTINGENCIES, 10-K 0001002910-26-000009 vs Item 3, via Note 14 – COMMITMENTS AND CONTINGENCIES, 10-K 0001002910-25-000055

Risk Factors263 words changed in this paragraph; it is 42% similar to last year's version.
The Ameren Companies have historically experienced minimal growth in energy demand for the past two decades. Recent However, current industry projections reflect the potential for significant growth in energy demand over the next decade, primarily arising from data centers to support artificial intelligence and further augmented by onshoring and electrification of manufacturing and an increase in transportation electrification. In addition, in February 2026, Ameren Missouri executed electric service agreements with large load customers under its large load customer rate plan, representing 2.2 gigawatts of demand. The Ameren Companies may or may not experience the energy demand growth currently being forecasted depending on the decisions of potential new customers about whether to locate their operations within our service territories. If new territories or whether customers elect to locate that have signed electric service agreements begin operations within our service territories, the Ameren Companies may not be able to provide the necessary electric service within the time periods required by those customers. The Ameren Companies may need to accelerate new generation build within current plans, and construct or obtain new generation sources and expand transmission and distribution facilities that are not currently within their plans. The Ameren Companies may not be able to plan, receive regulatory approvals, and execute those plans in a timely manner. Future expected timeframes. Also, demand from these customers growth may not be realized at the current projected pace as a result rate, or in the amount, expected if construction of customer facilities is not completed within expected timeframes, which is dependent on the ability of suppliers, contractors, and developers to meet contractual commitments and timely complete projects. In addition, expected demand growth may not be realized if emerging technologies are not broadly adopted at the rate expected, increased efficiency efficiencies in computing, and computing or other advances in these new customers may be transitory and exit our service territory. Significant uncertainty exists regarding future increases in technologies reduce energy demand within the Ameren Companies’ service territory, and whether and how the Ameren Companies will construct for data centers, or obtain the assets necessary to timely serve that additional demand. large load customers, such as data centers,

Source: Item 1A, 10-K 0001002910-26-000009 vs Item 1A, 10-K 0001002910-25-000055

Accounting Policies127 words changed in this paragraph; it is 40% similar to last year's version.
We expect that regulators will reduce future revenues for deferred tax liabilities that were initially recorded at rates in excess of the current statutory rate. Therefore, reductions in certain excess deferred tax liabilities that were recorded because of decreases in the statutory rate have been credited to a regulatory liability. A regulatory asset has been established to recognize the probable recovery through future customer rates of tax benefits related to the equity component of allowance for funds used during construction, as well as the effects of tax rate increases. To the extent deferred tax balances are included in rate base, the revaluation of deferred taxes caused by a change in the statutory rate is recorded as a regulatory asset or liability on the balance sheet and will be collected from, or refunded to, customers. For deferred tax balances not included in rate base, the revaluation of deferred taxes caused by a change in the statutory rate is recorded as an adjustment to income tax expense on the income statement.

Source: Item 8, Note 1 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, 10-K 0001002910-26-000009 vs Item 8, Note 1 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, 10-K 0001002910-25-000055

Sentences and paragraphs added, removed or reworded

Every change, by type

Sentences and paragraphs of AEE's Risk Factors and MD&A, 10-K Feb 18, 2026 against 10-K Feb 18, 2025. Each links to the text at sec.gov.

All 255 Added 36Removed 55Reworded 158Quiet changes 6
RemovedRisk Factors
In addition, in June 2024, the MoPSC issued a financing order authorizing the issuance of securitized utility tariff bonds by a wholly owned, special purpose subsidiary of Ameren Missouri to finance approximately $476 million of costs related to the accelerated retirement of the Rush Island Energy Center, which included the remaining unrecovered net plant balance associated with the facility, among other costs. Ameren Missouri will collect the amounts necessary to repay the bonds over approximately 15 years from the date of bond issuance. The securitized tariff bonds were issued in December 2024. The financing order also included a determination that the decision to retire the Rush Island Energy Center was reasonable and prudent. The MoPSC did not make a determination regarding the prudency of Ameren Missouri's prior actions that resulted in the adverse ruling in the NSR and Clean Air Act litigation discussed in Note 14 – Commitments and Contingencies under Part II, Item 8, of this report, however, claims regarding such actions could be considered in future regulatory proceedings. If future regulatory proceedings result in revenue reductions based on Ameren Missouri’s prior actions that resulted in the adverse ruling in the NSR and Clean Air Act litigation, it could have a material adverse effect on the results of operations, financial position, and liquidity of Ameren and Ameren Missouri.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedRisk Factors
Ameren Illinois’ electric distribution service business is also subject to performance metrics. Failure to achieve the metrics would result in a reduction in the company’s allowed ROE calculated under the MYRP. In 2022, the ICC issued an order approving total ROE incentives and penalties of 24 basis points under the MYRP, allocated among seven performance metrics. These performance metrics include improvements in service reliability in both the frequency and duration of outages, a reduction in peak loads, an increased percentage of
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedRisk Factors
spend with diverse suppliers, a reduction in disconnections for certain customers, and improved timeliness in response to customer requests for interconnection of distributed energy resources. These performance metrics apply annually from 2024 through 2027 under the MYRP, and the impact of any incentives and penalties will be excluded from the reconciliation cap described above. In addition, the allowed ROE on energy-efficiency investments can be increased or decreased up to 200 basis points, depending on the achievement of annual energy savings goals. Any adjustments to the allowed ROE for energy-efficiency investments will depend on annual performance for a historical period relative to energy savings goals.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedRisk Factors
In April 2024, the EPA issued a final rule that sets CO2 emission standards for existing coal-fired and new natural gas-fired power plants based on the emissions expected from adoption of carbon capture technology and/or natural gas co-firing for coal-fired power plants and
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedRisk Factors
carbon capture technology for new natural gas-fired power plants. Affected power plants are required to comply with the rule through a phased-in approach or retire. Compliance with the new rule could be required as early as 2030 for certain existing coal-fired power plants and 2032 for certain new natural gas-fired power plants. In December 2024, the United States Court of Appeals for the District of Columbia Circuit heard arguments from various stakeholders including the EPA, environmental organizations, state attorney generals, and industry groups regarding the legal merits of the final rule. In February 2025, the EPA requested that the appellate court suspend the case for 60 days and not issue an opinion so the EPA can decide how to proceed. Ameren and Ameren Missouri estimate capital expenditures of approximately $580 million may be necessary to comply with the final rule assuming it is not revised or overturned. Ameren and Ameren Missouri are monitoring the legal challenges and assessing the impacts of the final rule and, at this time, cannot predict the final impacts on their results of operations, financial position, and liquidity.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedRisk Factors
Our aging infrastructure may pose risks to system reliability and expose us to expedited or unplanned significant capital expenditures and operating costs. Both of Ameren Missouri’s coal-fired energy centers were constructed prior to 1978, and the Callaway Energy Center began operating in 1984. The age of these energy centers increases the risks of unplanned outages, reduced generation output, and higher
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In September 2023, the United States District Court for the Eastern District of Missouri granted Ameren Missouri’s request to modify a September 2019 remedy order issued by the district court in order to allow the retirement of the Rush Island Energy Center in advance of its previously expected retirement date of 2039, in lieu of installing a flue gas desulfurization system. Ameren Missouri retired the Rush Island Energy Center on October 15, 2024. In December 2024, the United States District Court for the Eastern District of Missouri issued an order resolving all outstanding claims in this case. The order requires Ameren Missouri to fund a program to provide electric buses and charging stations to schools in the metro St. Louis area and a program to provide air purifiers to eligible Ameren Missouri electric residential customers. These programs are estimated to cost approximately $64 million. As of December 31, 2024, Ameren and Ameren Missouri recorded liabilities of $64 million and charges of $59 million in 2024 related to the cost of these programs.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In June 2024, Ameren Missouri filed a request with the MoPSC seeking approval to increase its annual revenues for electric service. In February 2025, Ameren Missouri filed an updated electric rate increase request seeking approval to increase its annual revenues for electric service by $446 million. The electric rate increase request is based on a 10.25% ROE, a capital structure composed of 52% common equity, a rate base of $13.9 billion, and a test year ended March 31, 2024, with certain pro-forma adjustments through the true-up date of December 31, 2024. In February 2025, the MoPSC staff recommended an increase to Ameren Missouri's annual electric service revenues of $384 million based on a 9.74% ROE, a capital structure composed of 52% common equity, and a rate base of $13.9 billion. The MoPSC proceeding relating to the proposed electric service rate changes will take place over a period of up to 11 months, with a decision by the MoPSC expected by May 2025 and new rates effective by June 2025.
Read it in 10-K Feb 18, 2025 at sec.gov
Show the other 10
RemovedMD&A
In June 2024, the MoPSC issued a financing order authorizing the issuance of securitized utility tariff bonds by AMF to finance $476 million of costs related to the accelerated retirement of the Rush Island Energy Center, which included the remaining unrecovered net plant balance associated with the facility, among other costs. Ameren Missouri will collect the amounts necessary to repay the bonds over approximately 15 years from the date of bond issuance. The securitized tariff bonds were issued in December 2024. The financing order also included a determination that the decision to retire the Rush Island Energy Center was reasonable and prudent. The MoPSC did not make a determination regarding the prudency of Ameren Missouri's prior actions that resulted in the adverse ruling in the NSR and Clean Air Act litigation discussed in Note 14 – Commitments and Contingencies under Part II, Item 8, of this report, however, claims regarding such actions could be considered in future regulatory proceedings. If future regulatory proceedings result in revenue reductions based on Ameren Missouri’s prior actions that resulted in the adverse ruling in the NSR and Clean Air Act litigation, it could have a material adverse effect on the results of operations, financial position, and liquidity of Ameren and Ameren Missouri.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In 2024, the MoPSC issued orders approving requested CCNs for the Split Rail, Vandalia, Bowling Green, and Cass County solar projects. Ameren Missouri acquired the Cass County, Boomtown, and Huck Finn solar projects in June 2024, September 2024, and October 2024, respectively, and placed the assets of the projects, totaling $1 billion, in service in December 2024. In October 2024, the MoPSC issued an order approving a nonunanimous stipulation and agreement filed by Ameren Missouri, the MoPSC staff, and other intervenors requesting a CCN for the Castle Bluff Natural Gas Project. The order also includes the use of a post-construction cost deferral related to the project, which allows Ameren Missouri to defer and recover depreciation expense, financing costs, and applicable income taxes incurred from the date the project is placed in service to the date when project costs are reflected in updated base rates as a result of a regulatory rate review. The period of deferral would be limited to the earlier of the time the project costs are reflected in base rates or six months.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In September 2024, Ameren Missouri filed a request with the MoPSC seeking approval to increase its annual revenues for natural gas delivery service by $40 million. The natural gas rate increase request is based on a 10.25% ROE, a capital structure composed of 52% common equity, a rate base of $531 million, and a test year ended March 31, 2024, with certain pro-forma adjustments expected through the true-up date of December 31, 2024. The MoPSC proceeding relating to the proposed natural gas delivery service rate changes will take place over a period of up to 11 months, with a decision by the MoPSC expected by August 2025 and new rates effective by September 2025.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In November 2024, the MoPSC issued an order approving a nonunanimous stipulation and agreement for Ameren Missouri’s MEEIA 2025 plan, which includes a portfolio of customer energy-efficiency and demand response programs, along with the continued use of the MEEIA rider, which allows Ameren Missouri to collect from customers its actual MEEIA program costs, related lost electric revenues, and performance incentives. Ameren Missouri intends to invest $51 million annually in 2025 and 2026 and $22 million in 2027 for customer energy-efficiency and demand response programs. In addition, the order approved performance incentives applicable to each plan year to earn revenues by achieving certain spending and demand response goals. If 100% of the goals are achieved in 2025, 2026, and 2027, Ameren Missouri would earn performance incentive revenues of $5 million, $5 million, and $2 million, respectively.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
transmission capital investments included in the order, among other things. In January 2024, the ICC denied Ameren Illinois’ rehearing request, and Ameren Illinois filed an appeal with the Illinois Appellate Court for the Fifth Judicial District. In January 2025, the appellate court ruled on the appeal filed by Ameren Illinois. In that ruling, the court reversed a reduction of planned transmission capital investments of $48 million, but affirmed the ICC-approved 9.44% ROE and the remaining reduction of planned distribution capital investments. Ameren Illinois took prudent steps to align its operations with the ICC order, while continuing to ensure safe and adequate service is maintained.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
billion. Ameren Illinois used a 2026 future test year in this proceeding. A decision by the ICC in this proceeding is required by early December 2025, with new rates expected to be effective in December 2025.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
In October 2024, the FERC issued an order, which decreased the allowed base ROE for FERC-regulated transmission rate base under the MISO tariff from 10.02% to 9.98% and required refunds, with interest, for the periods from November 2013 to February 2015 and from late September 2016 forward. In November 2024, the MISO transmission owners, including Ameren Missouri, Ameren Illinois, and ATXI, filed a request for rehearing with the FERC, arguing, among other things, the FERC should not have ordered refunds back to September 2016 or imposed interest on those refunds. Also in November 2024, another intervenor filed a request for rehearing with the FERC, requesting the FERC correct aspects of the ROE methodology used in the October 2024 order and reconsider its decision in a February 2015 complaint case to deny refunds for the period from February 2015 to May 2016. In December 2024, the FERC issued a notice indicating a future order related to the rehearing requests will be issued but did not specify a timeline. In January 2025, the MISO transmission owners, including Ameren Missouri, Ameren Illinois, and ATXI, filed an appeal of the October 2024 order to the United States Court of Appeals for the District of Columbia Circuit. As a result of the October 2024 order, Ameren and Ameren Illinois recognized reductions to electric revenues of $10 million and $7 million, respectively, and recognized interest expense of $2 million and $1 million, respectively, on their statements of income in 2024.
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
•increased base rate revenues at Ameren Illinois Natural Gas effective November 28, 2023, pursuant to the November 2023 ICC natural gas rate order, partially offset by increased depreciation and amortization expenses included in base rates (4 cents per share); and
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
•increased taxes other than income taxes at Ameren Missouri, largely resulting from the absence in 2024 of employee retention tax credits received under the Coronavirus Aid, Relief, and Economic Security Act (2 cents per share).
Read it in 10-K Feb 18, 2025 at sec.gov
RemovedMD&A
(d)The electric deferred income tax adjustment relates to certain excess deferred income taxes that will be amortized through 2025. Offsetting expense increases or decreases are reflected within "Income Taxes" on the statement of income. This item has no overall impact on earnings.
Read it in 10-K Feb 18, 2025 at sec.gov

Sources

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