Constellation Energy (CEG) vs Southern (SO)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Southern (SO) has outperformed Constellation Energy (CEG) over the past year, losing 11.4% versus a loss of 16.4%. Constellation Energy is the larger company by market cap ($106.15 billion vs $98.29 billion), about 1.1 times the size, while Southern is growing revenue faster (+10.6% vs +8.3%). On valuation, Southern trades at a lower forward P/E (17.4x vs 22.5x for Constellation Energy).
Southern offers the higher dividend yield (3.49% vs 0.54%). Southern converts more of its revenue into profit, with a net margin of 14.7% versus 9.1%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CEG | SO |
|---|---|---|
| Share price | $299.59 | $85.44 |
| Market cap | $106.15B | $98.29B |
| 1-day change | -0.27% | 0.00% |
| YTD return | -15.20% | -2.02% |
| 1-year return | -16.35% | -11.39% |
| 5-year return | — | +35.34% |
| P/E ratio (TTM) | 29.37 | 20.59 |
| Forward P/E | 22.49 | 17.35 |
| EPS (TTM) | $10.20 | $4.15 |
| Dividend yield | 0.54% | 3.49% |
| Annual dividend | $1.63 | $2.98 |
| Revenue (latest FY) | $25.53B | $29.55B |
| Revenue growth (YoY) | +8.34% | +10.59% |
| Net income (latest FY) | $2.32B | $4.34B |
| Operating margin | 12.09% | 24.65% |
| Net margin | 9.08% | 14.69% |
| 52-week high | $412.70 | $100.84 |
| 52-week low | $228.63 | $81.69 |
| Distance from 52-week high | -27.41% | -15.27% |
| Analyst consensus | buy | hold |
| Avg. price target upside | +14.00% | +14.85% |
| Average volume | 2.96M | 5.67M |
| Shares outstanding | 354.31M | 1.15B |
| Employees | 15,291 | 29,502 |
| Sector | Utilities | Utilities |
| Industry | Electric Utilities: Central | Electric Utilities: Central |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Constellation Energy trades at a higher earnings multiple (29.4x vs 20.6x trailing P/E).
- Southern offers a meaningfully higher dividend yield (3.49% vs 0.54%).
- Southern is more profitable, keeping 14.7 cents of every revenue dollar as net income versus 9.1 cents for Constellation Energy.
About Constellation Energy
CEG stock →Constellation Energy Corporation produces and sells energy products and services in the United States. The company operates through five segments: Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions.
Utilities · Electric Utilities: Central · 15,291 employees
About Southern
SO stock →The Southern Company, through its subsidiaries, engages in the sale of electricity. The company offers electric service to retail customers and wholesale customers; and energy-related products and services to natural gas choice markets.
Utilities · Electric Utilities: Central · 29,502 employees
CEG vs SO FAQ
Which is bigger, Constellation Energy or Southern?
Constellation Energy (CEG) is larger, with a market capitalization of $106.15B compared with $98.29B for Southern (SO).
Which stock has performed better over the past year, CEG or SO?
SO returned -11.39% over the past 12 months, compared with -16.35% for CEG (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CEG or SO?
SO has the lower trailing P/E at 20.6, versus 29.4 for CEG. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Constellation Energy or Southern?
Southern has the higher yield at 3.49%, compared with 0.54% for Constellation Energy.
Are Constellation Energy and Southern in the same industry?
Yes. Both are classified in the Electric Utilities: Central industry within the Utilities sector.