American Electric Powervs.Talen Energy
AEP vs TLN · 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.
American Electric Power is about 3.7× larger than Talen Energy by market cap; year to date, American Electric Power leads (+5.9% vs −4.2%).
Side by side
| AEP | TLN | |
|---|---|---|
| Market cap | $66.9B | $17.9B |
| Price | $122.81 | $378.57 |
| Today | +0.4% | +5.4% |
| Return YTD | +5.9% | −4.2% |
| Return 1Y | +3.3% | −19.4% |
| Since June 26, 2026 | −11.4% | −6.3% |
| P/E | 21.3 | — |
| P/S | 3.0 | 5.2 |
| P/B | 2.1 | 11.1 |
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 →Talen EnergyTLN
Independent power producer whose Susquehanna nuclear plant sells directly to data centers.
Full TLN profile →More AEP & TLN comparisons
Other head-to-heads in the Utilities & power producers segment.