Operating Segments was the largest of Ameren Corp’s 2 reported lines in fiscal 2025, at $4.80B — 109% of $4.41B.
| Segment | FY 2014 | FY 2015 | FY 2016 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Operating Segments | $4.05B | $3.86B | $3.99B | $4.80B | |||||
| Intersegment Elimination | -$245.00M | -$265.00M | -$298.00M | -$386.00M | |||||
| Total | $3.80B | $3.59B | $3.70B | $4.41B |
In fiscal 2025, which ended December 31, 2025, the 2 segments Ameren Corp reported in this breakdown added up to $4.41B. That was up 19.3% from $3.70B in fiscal 2024. Operating Segments was the largest segment, at $4.80B or 108.8% of the total.
Over fiscal 2022 to 2025, revenue across these segments went from $3.80B to $4.41B, a compound annual growth rate of 5.1%. Operating Segments' share of the total rose from 106.4% to 108.8% over the same years.
Figures are shown as reported, so the total is net of Intersegment Elimination, which was -$386.00M in fiscal 2025. This breakdown covers 9 fiscal years between 2014 and 2025, as reported in Ameren Corp's annual filings.
Ameren Corp (AEE) breaks its revenue down by segment. In fiscal 2025, its largest segment was Operating Segments, with $4.80B or 108.8% of the total.
Operating Segments was Ameren Corp's largest segment in fiscal 2025, with $4.80B in revenue, 108.8% of the $4.41B reported across its 2 segments.
Every figure is taken from Ameren Corp's annual financial filings and shown as reported: each line keeps the name the company gives it, years follow its own fiscal calendar, and lines it has stopped reporting stay in the table for the years they were reported.
The breakdown by segment covers fiscal 2014 to 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.