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 4.0× larger than Talen Energy by market cap; year to date, American Electric Power leads (+5.8% vs −18.5%).
Side by side
| AEP | TLN | |
|---|---|---|
| Market cap | $68.2B | $17.2B |
| Price | $122.77 | $307.67 |
| Today | +0.6% | +0.7% |
| Return YTD | +5.8% | −18.5% |
| Return 1Y | +7.0% | −14.2% |
| P/E | 21.7 | — |
| P/S | 3.1 | 5.0 |
| P/B | 2.1 | 10.6 |
Data as of 2026-08-26 · updates daily after U.S. close
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.
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 →