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 3.6× larger than NRG Energy by market cap; Southern Company trades at the lower P/E (24.7 vs 124.0); year to date, Southern Company leads (+9.6% vs −11.8%).
Side by side
| NRG | SO | |
|---|---|---|
| Market cap | $29.6B | $108B |
| Price | $140.42 | $95.61 |
| Today | −0.0% | +0.5% |
| Return YTD | −11.8% | +9.6% |
| Return 1Y | −7.2% | +2.5% |
| P/E | 124.0 | 24.7 |
| P/S | 0.9 | 3.7 |
| P/B | 6.1 | 2.9 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
NRG EnergyNRG
Large U.S. power company with generation plants and millions of electricity and gas customers — positioned for rising power demand and data centers.
Full NRG profile →Southern CompanySO
One of the largest US electric and gas utilities, with growing nuclear power (Vogtle).
Full SO profile →More comparisons in Utilities & power producers
See where NRG and SO sit in the full Energy, grid & critical infrastructure map — every segment from suppliers to end markets.Open the Energy value chain →