Company: AILIM
Filing Date: 2025-02-18
Form Type: 10-K
Source: 0001002910-25-000055
Chunk: 248

Company: Ameren Illinois Co
Filing Date: 2025-02-18
Form: 10-K
Item: Item 7
Chunk 248
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, net, primarily due to lower donations and a gain on the extinguishment of debt, see Note 5 – Long-term Debt and Equity Financings under Part II, Item 8, of this report for more information, partially offset by decreased non-service cost components of net periodic benefit income not subject to formula rates or trackers largely due to lower investment returns (6 cents per share);

•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

•decreased other operations and maintenance expenses not subject to formula rates, riders, or trackers, excluding a charge related to the NSR and Clean Air Act litigation discussed below 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 of regulatory deferrals associated with the June 2023 MoPSC rate order (2 cents per share).

Earnings per share in 2024, compared with 2023, were unfavorably affected by:

•a charge recorded by Ameren Missouri, included in other operation and maintenance expenses, 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 the Rush Island Energy Center, see Note 14 - Commitments and Contingencies under Part II, Item 8, of this report for more information (17 cents per share);

•increased financing costs primarily at Ameren Missouri and Ameren (parent), largely due to higher long-term debt balances and interest rates, partially offset by lower levels of short-term borrowings (17 cents per share);

•lower revenue at Ameren Illinois Electric Distribution due to a lower recognized ROE under the MYRP (9 cents per share);

•increased weighted-average basic common shares outstanding resulting from issuances of common shares (7 cents per share);

•the result of the October 2024 FERC order reducing the allowed base ROE for FERC regulated transmission rate base under the MISO tariff, which decreased Ameren Transmission earnings (4 cents per share); and

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•increased taxes other than income taxes at Ameren Missouri,