Company: AILIM
Filing Date: 2025-02-18
Form Type: 10-K
Source: 0001002910-25-000055
Chunk: 114

Company: Ameren Illinois Co
Filing Date: 2025-02-18
Form: 10-K
Item: Item 8
Chunk 114
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. The costs of the rent and facility services and other assets are based on, or are an allocation of, actual costs incurred.Ameren Missouri and Ameren Illinois also provide storm-related and miscellaneous support services to each other on an as-needed basis.Ameren Missouri and Ameren Illinois had long-term receivables included in “Other assets” from Ameren Services of $29 million and $32 million, respectively, as of December 31, 2024, and $31 million and $34 million, respectively, as of December 31, 2023, related to Ameren Services’ allocated portion of Ameren’s pension and postretirement benefit plans.Transmission ServicesAmeren Missouri and Ameren Illinois each receives transmission services from ATXI for their respective retail loads.Electric Transmission Maintenance and Construction AgreementsATXI entered into separate agreements with Ameren Missouri and Ameren Illinois in which Ameren Missouri or Ameren Illinois, as applicable, may perform certain maintenance and construction services related to ATXI’s electric transmission assets.Money PoolSee Note 4 – Short-term Debt and Liquidity for a discussion of affiliate borrowing arrangements.Long-Term Debt, Net - Related PartiesIn November and December 2024, Ameren (parent) purchased senior secured notes and first mortgage bonds issued by Ameren Missouri, and first mortgage bonds issued by Ameren Illinois. See Note 5 – Long-term Debt and Equity Financings for additional information.Tax Allocation AgreementSee Note 1 – Summary of Significant Accounting Policies for a discussion of the tax allocation agreement. The following table presents the affiliate balances related to income taxes for Ameren Missouri and Ameren Illinois as of December 31, 2024 and 2023:

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20242023Ameren MissouriAmeren IllinoisAmeren MissouriAmeren IllinoisIncome taxes payable to parent(a)$— $32 $— $2 Income taxes receivable from parent(b)28 — 56 22 (a)Included in “Accounts payable – affiliates” on the balance sheet.(b)Included in “Accounts receivable – affiliates” on the balance sheet.Capital ContributionsThe following table presents cash capital contributions received from Ameren (parent) by Ameren Missouri and Ameren Illinois for the years ended December 31, 2024, 2023, and 2022:202420232022Ameren Missouri(a)$476 $— $— Ameren Illinois