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 4.2× larger than Talen Energy by market cap; year to date, American Electric Power leads (+17.4% vs +2.9%).
Side by side
| AEP | TLN | |
|---|---|---|
| Market cap | $73.6B | $17.5B |
| Price | $135.43 | $385.80 |
| Today | +1.2% | +0.4% |
| Return YTD | +17.4% | +2.9% |
| Return 1Y | +27.7% | +44.2% |
| P/E | 20.1 | — |
| P/S | 3.4 | 5.3 |
| P/B | 2.3 | 16.3 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
American Electric PowerAEP
One of the largest US electricity transmission networks, covering 11 states.
Full AEP profile →Talen EnergyTLN
Independent power producer with nuclear capacity that supplies data centers directly.
Full TLN profile →More comparisons in Utilities & power producers
See where AEP and TLN sit in the full Energy, grid & critical infrastructure map — every segment from suppliers to end markets.Open the Energy value chain →