American Electric Power (AEP) Tax Rate (2009 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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% |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "AEP", "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=AEP&period=max&api_key=YOUR_API_KEY");
const data = await res.json();