AEP vs DUK
American Electric Power (AEP) and Duke Energy (DUK) compared side by side. Duke Energy (DUK) is larger, with a market cap of $97.4B versus $70.6B for American Electric Power, about 1.4 times the size. On trailing earnings, DUK is cheaper at 18.8x versus 22.5x for AEP.
Head to head
| Metric | AEP | DUK |
|---|---|---|
| Market cap | $70.6B | $97.4B |
| P/E (TTM) | 22.5x | 18.8x |
| Forward P/E | 18.9x | 17.4x |
| Revenue (TTM) | $22.8B | $32.8B |
| Revenue growth | 7.0% | 1.1% |
| Gross margin | 46.4% | 52.0% |
| Operating margin | 23.3% | 27.5% |
| Free cash flow | -$2.4B | -$4.3B |
| Dividend yield | 2.99% | 3.47% |
| 1-year return | +15.1% | +1.7% |
| 5-year return (annual) | +12.6% | +7.9% |
| Max drawdown | -63% | -72% |
| FI Handbook grade | C- | C- |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
AEP vs DUK FAQ
Which is bigger, AEP or DUK?
Duke Energy (DUK) is larger, with a market cap of $97.4B versus $70.6B for American Electric Power, about 1.4 times the size.
Is AEP or DUK cheaper?
On trailing earnings, DUK is cheaper at 18.8x versus 22.5x for AEP. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, AEP or DUK?
AEP returned +15.1% over the past year including dividends, versus +1.7% for DUK, through October 23, 2026.
Which pays a higher dividend, AEP or DUK?
DUK yields 3.47% versus 2.99% for AEP.
Full pages: American Electric Power · Duke Energy