NRG Energyvs.Southern Company
NRG vs SO · 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 4.2× larger than NRG Energy by market cap; Southern Company trades at the lower P/E (22.9 vs 30.0); year to date, Southern Company leads (+3.3% vs −29.8%).
Side by side
| NRG | SO | |
|---|---|---|
| Market cap | $25.4B | $107B |
| Price | $113.61 | $89.97 |
| Today | +1.6% | −0.1% |
| Return YTD | −29.8% | +3.3% |
| Return 1Y | −23.0% | −4.6% |
| P/E | 30.0 | 22.9 |
| P/S | 0.8 | 3.7 |
| P/B | 5.2 | 2.7 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
NRG EnergyNRG
Generation plants on one side, millions of retail electricity and gas customers on the other, plus the Vivint smart-home business. The fleet runs on gas, coal and solar, and it is positioned for the demand growth data centers are driving in Texas and beyond.
Full NRG profile →Southern CompanySO
Vogtle is adding nuclear output to what is already one of the biggest US electric and gas utilities.
Full SO profile →More NRG & SO comparisons
Other head-to-heads in the Utilities & power producers segment.