Company: AILIM
Filing Date: 2025-02-18
Form Type: 10-K
Source: 0001002910-25-000055
Chunk: 158

Company: Ameren Illinois Co
Filing Date: 2025-02-18
Form: 10-K
Item: Item 1
Chunk 158
---
2,218 $2,256 Ameren Transmission:Ameren Illinois Transmission(b)$564 $480 $424 ATXI218 198 192 Eliminate affiliate revenues(1)(1)(1)Ameren Transmission total$781 $677 $615 Other and intersegment eliminations(177)(150)(139)Ameren total$6,540 $6,439 $6,581 

(a)Sales for which power was supplied by Ameren Illinois as well as alternative retail electric suppliers. In 2024, 2023, and 2022, Ameren Illinois procured power on behalf of its customers for 25%, 28%, and 28%, respectively, of its total kilowatthour sales.

(b)Includes $119 million, $113 million, and $104 million in 2024, 2023, and 2022, respectively, of electric operating revenues from transmission services provided to Ameren Illinois Electric Distribution.

18

Table of Contents

Electric Operating Statistics – Year Ended December 31,202420232022Ameren Missouri fuel costs (cents per kilowatthour generated)(a)1.27 ¢1.29 ¢1.41 ¢Source of Ameren Missouri energy supply:Coal50.5 %54.6 %61.6 %Nuclear29.1 25.6 21.6 Hydroelectric3.5 2.4 3.2 Wind4.4 4.9 4.7 Natural gas1.0 1.1 1.1 Methane gas and solar0.2 0.2 0.2 Purchased power – wind0.4 0.6 0.8 Purchased power – other10.9 10.6 6.8 Ameren Missouri total100.0 %100.0 %100.0 %

(a)    Ameren Missouri fuel costs exclude $34 million, $72 million, and $(98) million in 2024, 2023, and 2022, respectively, for changes in FAC recoveries.

Natural Gas Operating Statistics – Year Ended December 31,202420232022Natural Gas Sales – dekatherms (in millions):Ameren Missouri:Residential6 6 8 Commercial3 3 4 Industrial1 1