A
AEE
AEEUnverified5 segments tracked|6 years of data|Annual (10-K)
Total Revenue
$9.3B17.9%
FY2025
Operating Segments
5Active segments
Blended Margin
0.0%Operating margin
Highest Margin
0.0%Union Electric Company
Segment Shift
Union Electric Company has grown from 54.0% to 51.3% of total revenue since FY2019, with 0.0% operating margins. Meanwhile, Ameren Illinois Transmission is the fastest growing at +30.0% YoY.
Segment Revenue Over Time
Revenue Mix
Segment Breakdown — FY2025
| Segment | Revenue | Op. Income | Margin | % of Total | YoY |
|---|---|---|---|---|---|
| Union Electric Company | $4.8B | $0 | 0.0% | 51.3% | +24.5% |
| Ameren Illinois Electric Distribution | $2.4B | $0 | 0.0% | 25.8% | +7.9% |
| Ameren Illinois Gas | $968M | $0 | 0.0% | 10.4% | +7.9% |
| Ameren Transmission | $675M | $0 | 0.0% | 7.3% | +20.3% |
| Ameren Illinois Transmission | $477M | $0 | 0.0% | 5.1% | +30.0% |
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