Company: AILIM
Filing Date: 2025-05-05
Form Type: 10-Q
Source: 0001002910-25-000098
Chunk: 14

Company: Ameren Illinois Co
Filing Date: 2025-05-05
Form: 10-Q
Item: Part I, Item 2
Chunk 14
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 fuel and purchased power for the three months ended March 31, 2025, compared with the year-ago period:

Three MonthsAmeren MissouriAmeren IllinoisElectric DistributionAmeren IllinoisNatural GasAmeren TransmissionOther /Intersegment EliminationsAmerenFuel and purchased power change:Energy costs (excluding the estimated effect of weather)$165 $— $— $— $— $165 Retail sales volume (excluding the estimated effect of weather)(2)— — — — (2)Effect of weather (estimate)(a)8 — — — — 8 Transmission service charges (not included in the FAC)3 — — — — 3 Other2 — — — — 2 Cost recovery mechanisms – offset in electric revenue(b)(12)20 — — (10)(2)Total fuel and purchased power change$164 $20 $— $— $(10)$174 

(a)Represents the estimated variation resulting primarily from changes in cooling and heating degree-days on electric demand compared with the year-ago period; this variation is based on temperature readings from the National Oceanic and Atmospheric Administration weather stations at local airports in our service territories.

(b)“Cost recovery mechanisms — offset in electric revenue” changes are offset by corresponding changes in “Cost recovery mechanisms — offset in fuel and purchased power” in electric revenues. For the three months ended March 31, 2025, activity in Other/Intersegment Eliminations of $10 million, represents the changes in eliminations of related-party transactions between Ameren Missouri, Ameren Illinois, and ATXI (-$1 million), as well as changes in Ameren Transmission revenue from transmission services provided to Ameren Illinois Electric Distribution (-$9 million). See Note 8 – Related-party Transactions and Note 14 – Segment Information under Part I, Item 1, of this report for additional information on intersegment eliminations. These items have no overall impact on earnings.

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Ameren

Ameren Missouri and Ameren Illinois are generally allowed to pass on to customers prudently incurred costs for fuel and purchased power. Ameren’s electric fuel and purchased power expenses increased $174 million, or 53%, for the three months ended March 31, 2025, compared with the year-ago period, primarily due to increased fuel and purchased power expenses at Ameren Missouri