NGG vs SO
National Grid plc and Southern Company, both Utilities
Southern Company is the larger company at $105B against $79B. Over the past year NGG returned +16% against -2.1% for SO.
| Figure | NGG | SO |
|---|---|---|
| Last close | $80.55 | $89.76 |
| Market cap | $79B | $105B |
| Trailing P/Elower is cheaper for the same earnings, not automatically better | n/a | 23.0 |
| Dividend yield | n/a | 3.3% |
| 1-year return | +16% | -2.1% |
| 5-year return | +69% | +69% |
| Ryufin Smart Scoresector-relative, 1–10 | n/a | 4/10 |
Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.
National Grid plc
Revenue of $7.1B in H1 2026, net income $617M.
Southern Company
Revenue of $8.4B in Q1 2026, net income $1.3B. Its largest reported line is Retail Electric Commercial, 19% of the disclosed total.
Open these two in the interactive comparison to add more names, change the period or read the correlation.