Company / Operating Margin
Ameren Operating Margin History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Operating Margin
23.0%
FY2025
5-year range
19.0% / 23.0%
FY2021-FY2025
Trend
+15.8%
vs FY2024
Sector context
#27 of 61
Utilities
What the data says
At 23.0%, Ameren's operating margin ranks #27 of 61 in the Utilities sector. Operating Margin has fluctuated over the past 10 years, ranging from 19.0% in FY2022 to 85.6% in FY2018.
Based on SEC 10-K filings.
23.0% in FY2025 with a 5-year CAGR of +0.6%.
Improved from 20.8% to 23.0% over the past 2 years.
Utilities sector context is included.
Operating Margin over time
Growth rates
- 3-Year Change
- +4.0pp
- 5-Year Change
- +0.6pp
- 10-Year Change
- -
Sector benchmark
#27 of 61 in UtilitiesTop 44% of 61This company 23.0% Sector average 21.7%
▼
+6.3% above sector average
Key checks
Key Insights
- In FY2025, operating margin increased 15.8% year-over-year.
- Currently 1.4pp above the Utilities sector average.
- Peak operating margin was recorded in FY2018.
- Lowest operating margin in the period was in FY2022.
Company context
Key Data Points
- Altman Z-Score 0.54 (distress zone, below 1.8 threshold)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Operating MarginValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 23.0% | +15.8% |
| FY2024 | 19.9% | -4.2% |
| FY2023 | 20.8% | +9.1% |
| FY2022 | 19.0% | -8.7% |
| FY2021 | 20.8% | -7.1% |
| FY2020 | 22.4% | +4.7% |
| FY2019 | 21.4% | -75.0% |
| FY2018 | 85.6% | +274.9% |
| FY2017 | 22.8% | +5.0% |
| FY2016 | 21.8% | +5.4% |
As of FY2025 · SEC 10-K · Updated Mar 2, 2026