Constellation Energy (CEG) vs TransAlta (TAC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
TransAlta (TAC) has outperformed Constellation Energy (CEG) over the past year, losing 17.4% versus a loss of 23.2%. Constellation Energy is the larger company by market cap ($101.00 billion vs $4.08 billion), about 24.8 times the size. On valuation, Constellation Energy trades at a lower forward P/E (21.4x vs 31.0x for TransAlta).
TransAlta offers the higher dividend yield (2.06% vs 0.57%).
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 | TAC |
|---|---|---|
| Share price | $285.07 | $12.89 |
| Market cap | $101.00B | $4.08B |
| 1-day change | -4.85% | +0.08% |
| YTD return | -19.31% | +1.98% |
| 1-year return | -23.16% | -17.42% |
| 5-year return | — | +14.58% |
| P/E ratio (TTM) | 27.87 | — |
| Forward P/E | 21.40 | 31.04 |
| EPS (TTM) | $10.23 | $-0.22 |
| Dividend yield | 0.57% | 2.06% |
| Annual dividend | $1.63 | $0.265 |
| Revenue (latest FY) | $25.53B | — |
| Revenue growth (YoY) | +8.34% | — |
| Net income (latest FY) | $2.32B | — |
| Operating margin | 12.09% | — |
| Net margin | 9.08% | — |
| 52-week high | $412.70 | $17.88 |
| 52-week low | $228.63 | $11.38 |
| Distance from 52-week high | -30.93% | -27.91% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +19.81% | +0.70% |
| Average volume | 3.09M | 1.74M |
| Shares outstanding | 354.31M | 316.30M |
| Employees | 15,291 | 1,350 |
| 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 is about 24.8 times larger than TransAlta by market value ($101.00B vs $4.08B).
- TransAlta offers a meaningfully higher dividend yield (2.06% vs 0.57%).
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 TransAlta
TAC stock →TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments.
Utilities · Electric Utilities: Central · 1,350 employees
CEG vs TAC FAQ
Which is bigger, Constellation Energy or TransAlta?
Constellation Energy (CEG) is larger, with a market capitalization of $101.00B compared with $4.08B for TransAlta (TAC).
Which stock has performed better over the past year, CEG or TAC?
TAC returned -17.42% over the past 12 months, compared with -23.16% for CEG (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Constellation Energy or TransAlta?
TransAlta has the higher yield at 2.06%, compared with 0.57% for Constellation Energy.
Are Constellation Energy and TransAlta in the same industry?
Yes. Both are classified in the Electric Utilities: Central industry within the Utilities sector.