Ameren Corp (AEE) Tax Rate (2009 - 2026)
Ameren (AEE) posted Tax Rate of 14.13% for Q2 2026, up 0.69 percentage points from 13.44% a year earlier but down 0.22 percentage points from the prior quarter.
Powered by 
Analysis
Ameren Corp (AEE) Tax Rate (2009 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Tax Rate at Ameren was 9.00%, up 1.98 percentage points year-over-year; for FY2025, it was 8.52%, up 1.98 percentage points from FY2024.
- Annual Tax Rate shows a five-year change of -6.50 percentage points (FY2020 to FY2025).
- In prior years, Ameren's Tax Rate was 6.54% in FY2024 (-7.12 pp), 13.66% in FY2023 (-0.37 pp), 14.02% in FY2022 (+0.40 pp) and 13.63% in FY2021 (-1.39 pp).
- Quarterly Tax Rate has run from a low of -37.75% in Q4 2024 to a high of 19.70% in Q4 2023 over five years.
- On a year-over-year basis, Tax Rate increased in four of the last eight quarters, with an average year-over-year change of -3.38 percentage points.
- The strongest year-over-year quarter for Tax Rate in the past five years was Q4 2025, with a gain of 34.06 percentage points; the weakest was Q4 2024, with a drop of 57.45 percentage points.
- According to Business Quant data, Tax Rate for the three prior quarters was 14.35% (Q1 2026), -3.69% (Q4 2025) and 7.50% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 14.13% |
| Mar 31, 2026 | 14.35% |
| Sep 30, 2025 | 7.50% |
| Jun 30, 2025 | 13.44% |
| Mar 31, 2025 | 14.71% |
| Sep 30, 2024 | 11.09% |
| Jun 30, 2024 | 13.04% |
| Mar 31, 2024 | 14.38% |
| Dec 31, 2023 | 19.70% |
| Sep 30, 2023 | 12.26% |
| Jun 30, 2023 | 13.72% |
| Mar 31, 2023 | 12.25% |
| Dec 31, 2022 | 14.58% |
| Sep 30, 2022 | 14.69% |
| Jun 30, 2022 | 14.69% |
| Mar 31, 2022 | 11.85% |
| Dec 31, 2021 | 18.71% |
| Sep 30, 2021 | 14.11% |
| Jun 30, 2021 | 12.97% |
| Mar 31, 2021 | 10.31% |
API Access
Ameren Corp Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=AEE&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "AEE", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=AEE&period=max&api_key=YOUR_API_KEY");
const data = await res.json();