Company: AILIM
Filing Date: 2025-02-18
Form Type: 10-K
Source: 0001002910-25-000055
Chunk: 252

Company: Ameren Illinois Co
Filing Date: 2025-02-18
Form: 10-K
Item: Item 7
Chunk 252
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Off-system sales, capacity, transmission, and FAC revenues, net96 — — — — 96 Recovery of power restoration efforts provided to other utilities1 3 — — — 4 Ameren Illinois energy-efficiency program investment revenues— 21 — — — 21 Electric deferred income tax adjustment(d)— (23)— — — (23)Other6 4 — 15 (15)10 Cost recovery mechanisms – offset in fuel and purchased power(e)(54)(193)— — (12)(259)Other cost recovery mechanisms(f)22 45 — — — 67 Total electric revenue change$153 $(129)$— $104 $(27)$101 Natural gas revenue change:Base rates (estimate)$— $— $47 $— $— $47 Sales volume (excluding the estimated effects of weather)2 — — — — 2 Effect of weather (estimate)(c)1 — — — — 1 Other— — 3 — — 3 Cost recovery mechanisms – offset in natural gas purchased for resale(e)(20)— (16)— — (36)Other cost recovery mechanisms(f)(2)— 7 — — 5 Total natural gas revenue change$(19)$— $41 $— $— $22 

(a)Includes an increase in transmission revenues of $84 million in 2024, compared with 2023, at Ameren Illinois.

(b)For Ameren Illinois Electric Distribution and Ameren Transmission, base rates include increases or decreases in operating revenues related to the revenue requirement reconciliation adjustment under the MYRP and formula rates, respectively. For Ameren Missouri, base rates exclude an increase for the recovery of lost electric revenue, less the associated fuel and purchased power expenses, resulting from the MEEIA customer energy-efficiency programs and a decrease in base rates for RESRAM. These changes in Ameren Missouri base rates are included in the “Retail sales volumes and changes in customer usage patterns (excluding the estimated effects of weather and MEEIA)” and “Cost recovery mechanisms - offset in fuel and purchased power” line items, respectively.

(c)Represents the estimated variation resulting primarily from changes in cooling and heating degree-days on electric and natural gas demand compared with the prior year; this variation is based on