Growth Metrics

Ameren (AEE) Tax Rate (2016 - 2025)

Ameren has reported Tax Rate over the past 17 years, most recently at 3.69% for Q4 2025.

  • Quarterly results put Tax Rate at 3.69% for Q4 2025, up 3406.0% from a year ago — trailing twelve months through Dec 2025 was 8.52% (up 198.0% YoY), and the annual figure for FY2025 was 8.52%, up 198.0%.
  • Tax Rate for Q4 2025 was 3.69% at Ameren, down from 7.5% in the prior quarter.
  • Over the last five years, Tax Rate for AEE hit a ceiling of 19.7% in Q4 2023 and a floor of 37.75% in Q4 2024.
  • Median Tax Rate over the past 5 years was 13.24% (2024), compared with a mean of 10.13%.
  • Biggest five-year swings in Tax Rate: tumbled -5745bps in 2024 and later surged 3406bps in 2025.
  • Ameren's Tax Rate stood at 18.71% in 2021, then fell by -22bps to 14.58% in 2022, then surged by 35bps to 19.7% in 2023, then tumbled by -292bps to 37.75% in 2024, then surged by 90bps to 3.69% in 2025.
  • The last three reported values for Tax Rate were 3.69% (Q4 2025), 7.5% (Q3 2025), and 13.44% (Q2 2025) per Business Quant data.