Company: AILIM
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001002910-25-000129
Chunk: 149

Company: Ameren Illinois Co
Filing Date: 2025-11-06
Form: 10-Q
Item: Part I, Item 1
Chunk 149
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, net, decreased $6 million and $9 million in the three and nine months ended September 30, 2025, respectively, compared with the year-ago periods. This is primarily due to a decrease of $6 million and $8 million in the reduction in non-service cost component of net periodic benefit income in the three and nine months ended September 30, 2025, and an increase of $2 million in charitable donations related to customer assistance programs in both periods.

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Ameren Illinois

Other income, net, decreased $7 million and $4 million in the three and nine months ended September 30, 2025, respectively, compared with the year-ago periods primarily due to the decrease of $4 million and $17 million in the non-service cost component of net periodic benefit income, largely at Ameren Illinois Electric Distribution and Ameren Illinois Natural Gas. In addition, Other income, net, decreased by $4 million and $3 million due to an increase in charitable donations related to customer assistance programs in the three and nine months ended September 30, 2025, respectively, primarily at Ameren Illinois Electric Distribution. The decreases are partially offset by an $11 million increase in the allowance for equity funds used during construction in the nine months ended September 30, 2025, largely at Ameren Illinois Transmission.

Interest Charges

Increase by SegmentOverall Ameren Increase of $35 Million (QTD YoY)Overall Ameren Increase of $78 Million (YTD YoY)Total by Segment

Ameren MissouriAmeren Illinois Natural GasOther/Intersegment EliminationsAmeren Illinois Electric DistributionAmeren Transmission

See Note 3 – Short-term Debt and Liquidity under Part I, Item 1, of this report and the Long-term Debt and Equity section below for additional information on short-term borrowings and long-term debt, respectively, discussed below.

Ameren

Interest charges increased $35 million and $78 million in the three and nine months ended September 30, 2025, respectively, compared with the year-ago periods. In addition to changes by segments discussed below, interest charges increased $9 million and $42 million respectively, at Ameren (parent), because of increased levels of short-term borrowings that increased interest charges by $3 million and $29 million, respectively. Additionally, interest charges increased $8 million and $15 million, respectively, at Ameren (parent),