Ameren (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.
Ameren (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 Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 293.96 Bn | 293.96 Bn | 890.00 Mn | - |
| 2 | National Grid | 78.23 Bn | 59.76 Bn | - | - |
| 3 | Dominion Energy | 53.03 Bn | 55.71 Bn | - | 16.49% |
| 4 | Xcel Energy | 43.33 Bn | 38.23 Bn | - | - |
| 5 | Wec Energy | 33.06 Bn | 33.29 Bn | 1.51 Bn | 8.23% |
| 6 | Ameren | 27.51 Bn | 27.60 Bn | - | 14.13% |
| 7 | Fortis | 26.94 Bn | 27.43 Bn | 1.60 Bn | 14.18% |
| 8 | Atmos Energy | 26.53 Bn | 25.30 Bn | 870.85 Mn | 19.98% |
| 9 | American Water Works Company | 25.62 Bn | 25.03 Bn | - | 22.22% |
| 10 | Dte Energy | 25.14 Bn | 24.62 Bn | - | - |
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% |
Ameren 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_KEY
import 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();