American Electric Power AEP
NASDAQ AEP
$119.57 -0.18 (-0.15%)
At close: Oct 2, 2026 · 4:00 PM EDT

American Electric Power (AEP) Tax Rate (2009 - 2026)

Updated

American Electric Power's Tax Rate was 40.37% in fiscal Q3 2016 (quarter ended Sep 30, 2016), up 4.86 percentage points from 35.52% a year earlier and up 16.07 percentage points from the prior quarter.

Analysis

American Electric Power (AEP) Tax Rate (2009 - 2026) Analysis & Trends

On a trailing twelve-month basis, American Electric Power's Tax Rate was -11.48% through Sep 30, 2016, down 48.11 percentage points year-over-year; for FY2015 (ended Dec 31, 2015), it was 35.06%, down 2.50 percentage points from FY2014.

  • Tax Rate shows a five-year change of +0.28 percentage points (FY2010 to FY2015).
  • In earlier fiscal years, Tax Rate was 37.56% in FY2014 (+5.19 pp), 32.37% in FY2013 (-0.78 pp) and 33.15% in FY2012.
  • The fiscal Q3 2016 figure marks the highest quarterly Tax Rate since fiscal Q4 2014.
  • Compared with a year earlier, Tax Rate was higher in two of the last eight quarters, with an average year-over-year change of -1.68 percentage points.
  • The best year-over-year quarter for Tax Rate over five years was fiscal Q2 2014 (a gain of 19.58 percentage points); the worst was fiscal Q4 2013 (a drop of 233.49 percentage points).
  • Per Business Quant data, AEP's Tax Rate in the three fiscal quarters before Q3 2016 was 24.31% (Q2 2016), 33.00% (Q1 2016) and 31.57% (Q4 2015).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Enel Chile 285.66 Bn 285.66 Bn 890.00 Mn -
2 Nextera Energy 159.27 Bn 160.17 Bn - -
3 Southern 96.02 Bn 87.08 Bn 5.92 Bn 13.60%
4 Duke Energy 88.50 Bn 87.10 Bn 6.74 Bn 17.55%
5 National Grid 78.31 Bn 59.83 Bn - -
6 American Electric Power 65.19 Bn 63.57 Bn 3.84 Bn 6.75%
7 Dominion Energy 53.46 Bn 56.14 Bn - 16.49%
8 Sempra 51.03 Bn 50.16 Bn 2.89 Bn 22.09%
9 Entergy 46.86 Bn 36.05 Bn - 21.26%
10 Xcel Energy 44.05 Bn 38.96 Bn - -
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 6.75%
Mar 31, 2026 4.77%
Dec 31, 2025 16.53%
Sep 30, 2025 12.41%
Mar 31, 2025 14.06%
Dec 31, 2024 8.41%
Sep 30, 2024 3.82%
Jun 30, 2024 2.07%
Sep 30, 2023 6.41%
Jun 30, 2023 5.44%
Mar 31, 2023 2.66%
Jun 30, 2022 7.30%
Mar 31, 2022 6.99%
Sep 30, 2021 8.21%
Jun 30, 2021 10.12%
Mar 31, 2021 9.01%
Jun 30, 2020 2.48%
Mar 31, 2020 9.01%
Sep 30, 2019 5.35%
Mar 31, 2019 7.42%
API Access

American Electric Power 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=AEP&period=max&api_key=YOUR_API_KEY