American Electric Powervs.Duke Energy
AEP vs DUK · both in Utilities & power producers, part of the Energy, grid & critical infrastructure value chain: Electricity utilities and large power producers, from nuclear to renewable portfolios.
Duke Energy is about 1.4× larger than American Electric Power by market cap; Duke Energy trades at the lower P/E (17.3 vs 21.3); year to date, American Electric Power leads (+5.9% vs −0.3%).
Side by side
| AEP | DUK | |
|---|---|---|
| Market cap | $66.9B | $90.9B |
| Price | $122.81 | $116.65 |
| Today | +0.4% | −0.2% |
| Return YTD | +5.9% | −0.3% |
| Return 1Y | +3.3% | −6.7% |
| Since June 26, 2026 | −11.4% | −9.2% |
| P/E | 21.3 | 17.3 |
| P/S | 3.0 | 2.7 |
| P/B | 2.1 | 1.7 |
Data as of 2026-10-09 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
American Electric PowerAEP
Regulated transmission and distribution wires across 11 states, one of the largest such networks in the US.
Full AEP profile →Duke EnergyDUK
A large US utility carrying a substantial nuclear fleet into a period of demand growth from electrification and data centres.
Full DUK profile →More AEP & DUK comparisons
Other head-to-heads in the Utilities & power producers segment.