CEG vs SO
Constellation Energy (CEG) and Southern (SO) compared side by side. Southern (SO) is larger, with a market cap of $106.9B versus $89.8B for Constellation Energy, about 1.2 times the size. On trailing earnings, SO is cheaper at 22.4x versus 24.8x for CEG.
Head to head
| Metric | CEG | SO |
|---|---|---|
| Market cap | $89.8B | $106.9B |
| P/E (TTM) | 24.8x | 22.4x |
| Forward P/E | 19.0x | 18.9x |
| Revenue (TTM) | $31.3B | $30.2B |
| Revenue growth | 23.0% | 0.1% |
| Gross margin | 22.1% | 48.3% |
| Operating margin | 8.7% | 29.6% |
| Free cash flow | $309.0M | -$3.3B |
| Dividend yield | 0.67% | 3.27% |
| 1-year return | -30.3% | -0.2% |
| 5-year return (annual) | — | +12.1% |
| Max drawdown | -51% | -38% |
| FI Handbook grade | C- | C- |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
CEG vs SO FAQ
Which is bigger, CEG or SO?
Southern (SO) is larger, with a market cap of $106.9B versus $89.8B for Constellation Energy, about 1.2 times the size.
Is CEG or SO cheaper?
On trailing earnings, SO is cheaper at 22.4x versus 24.8x for CEG. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, CEG or SO?
SO returned -0.2% over the past year including dividends, versus -30.3% for CEG, through October 23, 2026.
Which pays a higher dividend, CEG or SO?
SO yields 3.27% versus 0.67% for CEG.
Full pages: Constellation Energy · Southern