Growth Metrics

Ameren (AEE) Tax Rate (2009 - 2026)

Ameren's quarterly Tax Rate came in at 14.35% in Q1 2026, down 35.0% year-on-year from 22.08% in Q1 2025, and up 489.15% quarter-over-quarter from 3.69% in Q4 2025.

Ameren has reported Tax Rate for 18 years, with the latest figure at 14.35% in Q1 2026.

  • For the quarter ending Q1 2026, Tax Rate fell 35.0% year-over-year to 14.35%; the trailing twelve-month figure through Mar 2026 stood at 8.72% (up 189.0% YoY), and the FY2025 full-year result was 8.52%, up 198.0% from the prior year.
  • Tax Rate for Q1 2026 stood at 14.35%, up from 3.69% in the prior quarter.
  • The five-year high for Tax Rate was 19.7% in Q4 2023, with the low at 37.75% in Q4 2024.
  • Average Tax Rate over 5 years is 9.46%, with a median of 13.44% recorded in 2025.
  • Year-over-year, Tax Rate plunged 5745 bps in 2024 and surged 3406 bps in 2025.
  • Tracing AEE's Tax Rate over 5 years: stood at 14.58% in 2022, then surged by 35 bps to 19.7% in 2023, then slumped by 292 bps to 37.75% in 2024, then surged by 90 bps to 3.69% in 2025, then soared by 489 bps to 14.35% in 2026.
  • The last three Tax Rate figures came in at 14.35% (Q1 2026), 3.69% (Q4 2025), and 7.5% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Fortis 645.09 Bn 644.83 Bn 1.70 Bn 16.62
2 Enel Chile 264.22 Bn 263.80 Bn 1.12 Bn -
3 Dominion Energy 56.77 Bn 60.97 Bn 4.03 Bn 5.15
4 Xcel Energy 47.77 Bn 45.88 Bn 3.35 Bn -9.23
5 Wec Energy 35.40 Bn 35.76 Bn 2.83 Bn 6.18
6 Ameren 29.12 Bn 29.24 Bn 1.69 Bn 14.35
7 Korea Electric Power 28.73 Bn 13.96 Bn - -
8 Energy Co Of Parana 27.30 Bn 26.65 Bn - -
9 Edison International 26.69 Bn 26.53 Bn 3.85 Bn 26.18
10 Firstenergy 26.26 Bn 27.64 Bn 2.74 Bn 22.85

Historic Data

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DateValue
Mar 31, 2026 14.35
Mar 31, 2026 14.35
Dec 31, 2025 -3.69
Dec 31, 2025 -3.69
Sep 30, 2025 7.50
Sep 30, 2025 7.50
Jun 30, 2025 13.44
Jun 30, 2025 13.44
Mar 31, 2025 14.71
Mar 31, 2025 14.71
Dec 31, 2024 -37.75
Dec 31, 2024 -37.75
Sep 30, 2024 11.09
Sep 30, 2024 11.09
Jun 30, 2024 13.04
Jun 30, 2024 13.04
Mar 31, 2024 14.38
Mar 31, 2024 14.38
Dec 31, 2023 19.70
Dec 31, 2023 19.70
Sep 30, 2023 12.26
Sep 30, 2023 12.26
Jun 30, 2023 13.72
Jun 30, 2023 13.72
Mar 31, 2023 12.25
Mar 31, 2023 12.25
Dec 31, 2022 14.58
Dec 31, 2022 14.58
Sep 30, 2022 14.69
Sep 30, 2022 14.69
Jun 30, 2022 14.69
Jun 30, 2022 14.69
Mar 31, 2022 11.85
Mar 31, 2022 11.85
Dec 31, 2021 18.71
Dec 31, 2021 18.71
Sep 30, 2021 14.11
Sep 30, 2021 14.11
Jun 30, 2021 12.97
Jun 30, 2021 12.97
Mar 31, 2021 10.31
Mar 31, 2021 10.31
Dec 31, 2020 15.33
Dec 31, 2020 15.33
Sep 30, 2020 14.58
Sep 30, 2020 14.58
Jun 30, 2020 17.01
Jun 30, 2020 17.01
Mar 31, 2020 12.43
Mar 31, 2020 12.43
Dec 31, 2019 20.17
Dec 31, 2019 20.17
Sep 30, 2019 20.09
Sep 30, 2019 20.09
Jun 30, 2019 17.81
Jun 30, 2019 17.81
Mar 31, 2019 12.27
Mar 31, 2019 12.27
Dec 31, 2018 18.82
Dec 31, 2018 18.82
Sep 30, 2018 22.63
Sep 30, 2018 22.63
Jun 30, 2018 23.57
Jun 30, 2018 23.57
Mar 31, 2018 21.54
Mar 31, 2018 21.54
Dec 31, 2017 141.84
Dec 31, 2017 141.84
Sep 30, 2017 41.41
Sep 30, 2017 41.41
Jun 30, 2017 37.01
Jun 30, 2017 37.01
Mar 31, 2017 35.40
Mar 31, 2017 35.40
Dec 31, 2016 44.07
Dec 31, 2016 44.07
Sep 30, 2016 38.58
Sep 30, 2016 38.58
Jun 30, 2016 38.33
Jun 30, 2016 38.33
Mar 31, 2016 22.46
Mar 31, 2016 22.46
Dec 31, 2015 49.18
Dec 31, 2015 49.18
Sep 30, 2015 37.61
Sep 30, 2015 37.61
Jun 30, 2015 37.34
Jun 30, 2015 37.34
Mar 31, 2015 37.50
Mar 31, 2015 37.50
Dec 31, 2014 29.85
Dec 31, 2014 29.85
Sep 30, 2014 39.59
Sep 30, 2014 39.59
Jun 30, 2014 39.60
Jun 30, 2014 39.60
Mar 31, 2014 39.26
Mar 31, 2014 39.26
Dec 31, 2013 31.94
Dec 31, 2013 31.94
Sep 30, 2013 37.85
Sep 30, 2013 37.85
Jun 30, 2013 38.37
Jun 30, 2013 38.37
Mar 31, 2013 38.46
Mar 31, 2013 38.46
Dec 31, 2012 47.37
Dec 31, 2012 47.37
Sep 30, 2012 36.53
Sep 30, 2012 36.53
Jun 30, 2012 37.21
Jun 30, 2012 37.21
Mar 31, 2012 37.10
Mar 31, 2012 37.10
Dec 31, 2011 38.24
Dec 31, 2011 38.24
Sep 30, 2011 36.22
Sep 30, 2011 36.22
Jun 30, 2011 37.95
Jun 30, 2011 37.95
Mar 31, 2011 37.82
Mar 31, 2011 37.82
Dec 31, 2010 35.71
Dec 31, 2010 35.71
Sep 30, 2010 -507.41
Sep 30, 2010 -507.41
Jun 30, 2010 34.87
Jun 30, 2010 34.87
Mar 31, 2010 41.44
Mar 31, 2010 41.44
Dec 31, 2009 34.92
Dec 31, 2009 34.92
Sep 30, 2009 37.09
Sep 30, 2009 37.09
Jun 30, 2009 33.07
Jun 30, 2009 33.07
Mar 31, 2009 32.56
Mar 31, 2009 32.56