American Electric Power Co Inc
American Electric Power Company, Inc., an electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States. It operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments. The company generates … Read more
Market Cap & Net Worth: American Electric Power Co Inc (AEP)
American Electric Power Co Inc (NASDAQ:AEP) has a market capitalization of $72.56 Billion ($72.56 Billion) as of March 18, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #299 globally and #235 in its home market, demonstrating a 1.73% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying American Electric Power Co Inc's stock price $134.15 by its total outstanding shares 540861473 (540.86 Million).
American Electric Power Co Inc Market Cap History: 2015 to 2026
American Electric Power Co Inc's market capitalization history from 2015 to 2026. Data shows growth from $22.91 Billion to $72.56 Billion (11.76% CAGR).
Index Memberships
American Electric Power Co Inc is a constituent of 6 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
Dow Jones Composite Average
DJA
|
$15.45 Trillion | 0.46% | #33 of 65 |
|
DJC: Dow Jones-UBS Commodity Index
DJC
|
$21.30 Trillion | 1.05% | #36 of 65 |
|
Dow Jones Utility
DJU
|
$915.96 Billion | 7.97% | #4 of 15 |
|
S&P 500 Index
GSPC
|
$53.10 Trillion | 0.12% | #144 of 503 |
|
NASDAQ Composite
IXIC
|
$33.26 Trillion | 0.22% | #57 of 3165 |
|
Nasdaq 100
NDX
|
$27.96 Trillion | 0.26% | #51 of 101 |
Weight: American Electric Power Co Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
American Electric Power Co Inc Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how American Electric Power Co Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.
Latest Price to Sales (P/S) Ratio
2.86x
American Electric Power Co Inc's market cap is 2.86 times its annual revenue
0.40x
Higher than industry averageLatest Price to Earnings (P/E) Ratio
17.42x
American Electric Power Co Inc's market cap is 17.42 times its annual earnings
3.06x
Higher than industry averageWhat These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $25.64 Billion | $16.32 Billion | $610.90 Million | 1.57x | 41.97x |
| 2017 | $31.01 Billion | $15.38 Billion | $1.91 Billion | 2.02x | 16.21x |
| 2018 | $32.68 Billion | $16.17 Billion | $1.92 Billion | 2.02x | 16.99x |
| 2019 | $42.65 Billion | $15.54 Billion | $1.92 Billion | 2.75x | 22.20x |
| 2020 | $38.81 Billion | $14.91 Billion | $2.20 Billion | 2.60x | 17.64x |
| 2021 | $42.95 Billion | $16.62 Billion | $2.49 Billion | 2.58x | 17.26x |
| 2022 | $47.41 Billion | $19.31 Billion | $2.31 Billion | 2.45x | 20.55x |
| 2023 | $42.21 Billion | $19.38 Billion | $2.21 Billion | 2.18x | 19.12x |
| 2024 | $49.88 Billion | $19.92 Billion | $2.97 Billion | 2.50x | 16.81x |
| 2025 | $62.37 Billion | $21.78 Billion | $3.58 Billion | 2.86x | 17.42x |
Competitor Companies of AEP by Market Capitalization
Companies near American Electric Power Co Inc in the global market cap rankings as of March 18, 2026.
Key companies related to American Electric Power Co Inc by market ranking:
- Nextera Energy Inc (NYSE:NEE): Ranked #76 globally with a market cap of $193.52 Billion USD.
- NATIONAL GRID CEDEAR EACH REP 1 (BA:NGG): Ranked #144 globally with a market cap of $127.42 Billion USD ( AR$132.53 Trillion ARS).
- National Grid plc (PINK:NGGTF): Ranked #329 globally with a market cap of $65.35 Billion USD.
- The Southern Company (NASDAQ:SOMN): Ranked #373 globally with a market cap of $58.74 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #76 | Nextera Energy Inc | NYSE:NEE | $193.52 Billion | $92.82 |
| #144 | NATIONAL GRID CEDEAR EACH REP 1 | BA:NGG | $127.42 Billion | AR$66725.00 |
| #329 | National Grid plc | PINK:NGGTF | $65.35 Billion | $13.42 |
| #373 | The Southern Company | NASDAQ:SOMN | $58.74 Billion | $52.59 |
American Electric Power Co Inc Historical Marketcap From 2015 to 2026
Between 2015 and today, American Electric Power Co Inc's market cap moved from $22.91 Billion to $ 72.56 Billion, with a yearly change of 11.76%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $72.56 Billion | +16.34% |
| 2025 | $62.37 Billion | +25.02% |
| 2024 | $49.88 Billion | +18.18% |
| 2023 | $42.21 Billion | -10.98% |
| 2022 | $47.41 Billion | +10.38% |
| 2021 | $42.95 Billion | +10.68% |
| 2020 | $38.81 Billion | -9.01% |
| 2019 | $42.65 Billion | +30.52% |
| 2018 | $32.68 Billion | +5.38% |
| 2017 | $31.01 Billion | +20.95% |
| 2016 | $25.64 Billion | +11.92% |
| 2015 | $22.91 Billion | -- |
End of Day Market Cap According to Different Sources
On Mar 17th, 2026 the market cap of American Electric Power Co Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $72.56 Billion USD |
| MoneyControl | $72.56 Billion USD |
| MarketWatch | $72.56 Billion USD |
| marketcap.company | $72.56 Billion USD |
| Reuters | $72.56 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.