American Electric Power AEP
NASDAQ AEP
$129.69 -0.95 (-0.73%)
At close: Oct 23, 2026 · 4:00 PM EDT

American Electric Power (AEP) Market Capitalization (2009 - 2026)

Updated

American Electric Power (AEP) posted Market Capitalization of $74.48 billion for Q2 2026, up 34.3% from $55.44 billion a year earlier and up 4.4% from the prior quarter.

Analysis

American Electric Power (AEP) Market Capitalization (2009 - 2026) Analysis & Trends

For FY2025, American Electric Power's Market Capitalization came in at $62.37 billion, up 26.9% from FY2024.

  • Annual Market Capitalization shows a five-year compound annual growth rate of 8.6% (FY2020 to FY2025).
  • In prior years, American Electric Power's Market Capitalization was $49.15 billion in FY2024 (+15.0%), $42.74 billion in FY2023 (-12.4%), $48.79 billion in FY2022 (+8.8%) and $44.86 billion in FY2021 (+8.5%).
  • The Q2 2026 figure stands as the highest quarterly Market Capitalization in data going back to Q1 2009.
  • On a year-over-year basis, Market Capitalization has increased in each of the last nine quarters, with growth averaging 24.3% over the last eight quarters.
  • The strongest year-over-year quarter for Market Capitalization in the past five years was Q3 2024, with growth of 38.1%; the weakest was Q4 2023, with a decline of 12.4%.
  • According to Business Quant data, Market Capitalization for the three prior quarters was $71.32 billion (Q1 2026), $62.37 billion (Q4 2025) and $60.22 billion (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Nextera Energy 172.18 Bn 170.30 Bn -
2 Southern 106.86 Bn 97.91 Bn 5.92 Bn
3 Duke Energy 97.23 Bn 95.83 Bn 6.74 Bn
4 National Grid 85.13 Bn 57.46 Bn -
5 American Electric Power 70.60 Bn 68.98 Bn 3.84 Bn
6 Dominion Energy 57.38 Bn 60.06 Bn -
7 Sempra 54.97 Bn 54.10 Bn 2.89 Bn
8 Entergy 50.09 Bn 39.27 Bn -
9 Xcel Energy 48.73 Bn 43.64 Bn -
10 Exelon 45.85 Bn 41.17 Bn -
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 74.48 Bn
Mar 31, 2026 71.32 Bn
Dec 31, 2025 62.37 Bn
Sep 30, 2025 60.22 Bn
Jun 30, 2025 55.44 Bn
Mar 31, 2025 58.37 Bn
Dec 31, 2024 49.15 Bn
Sep 30, 2024 54.64 Bn
Jun 30, 2024 46.69 Bn
Mar 31, 2024 45.39 Bn
Dec 31, 2023 42.74 Bn
Sep 30, 2023 39.56 Bn
Jun 30, 2023 43.38 Bn
Mar 31, 2023 46.84 Bn
Dec 31, 2022 48.79 Bn
Sep 30, 2022 44.42 Bn
Jun 30, 2022 49.29 Bn
Mar 31, 2022 51.24 Bn
Dec 31, 2021 44.86 Bn
Sep 30, 2021 40.89 Bn
API Access

American Electric Power Market Capitalization 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=market-capitalization&ticker=AEP&period=max&api_key=YOUR_API_KEY