Southern Companyvs.Vistra
SO 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.
Southern Company is about 1.8× larger than Vistra by market cap; Southern Company trades at the lower P/E (21.2 vs 24.4).
Side by side
| SO | VST | |
|---|---|---|
| Market cap | $98.8B | $54.1B |
| Price | $86.17 | $161.48 |
| Today | +0.0% | +3.4% |
| Return YTD | −1.2% | −3.2% |
| Return 1Y | −10.4% | −24.4% |
| Since June 26, 2026 | −11.3% | −1.2% |
| P/E | 21.2 | 24.4 |
| P/S | 3.4 | 2.8 |
| P/B | 2.5 | 9.9 |
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
Southern CompanySO
Vogtle is adding nuclear output to what is already one of the biggest US electric and gas utilities.
Full SO 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 SO & VST comparisons
Other head-to-heads in the Utilities & power producers segment.