Constellation Energyvs.Vistra
CEG vs VST · 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.
Constellation Energy is about 2.0× larger than Vistra by market cap; Vistra trades at the lower P/E (22.1 vs 28.5); year to date, Vistra leads (−15.9% vs −22.6%).
Side by side
| CEG | VST | |
|---|---|---|
| Market cap | $98.7B | $49.5B |
| Price | $278.42 | $139.03 |
| Today | +1.8% | +2.5% |
| Return YTD | −22.6% | −15.9% |
| Return 1Y | −11.8% | −28.8% |
| P/E | 28.5 | 22.1 |
| P/S | 3.2 | 2.7 |
| P/B | 3.1 | 8.8 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
Constellation EnergyCEG
No US company generates more nuclear power. Its carbon-free baseload increasingly goes to data centre operators on long-term contracts, the clearest case being Microsoft's deal to restart Three Mile Island.
Full CEG profile →VistraVST
Owns gas and nuclear generation alongside battery storage, and sells electricity to retail customers. Rising consumption from data centres is the demand it is exposed to.
Full VST profile →More CEG & VST comparisons
Other head-to-heads in the Utilities & power producers segment.