Stocks Comparison
Constellation Energy vs Duke Energy: revenue, profit, margins and growth compared
Constellation Energy brought in $25.5B of revenue in fiscal 2025, Duke Energy $32.2B in fiscal 2025. Revenue changed by +8.3% at Constellation Energy and +6.2% at Duke Energy on the year before, so Constellation Energy grew faster. Constellation Energy kept 9.1% of its revenue as net profit, Duke Energy 15.4%. Free cash flow was $1.3B at Constellation Energy and -$1.7B at Duke Energy.
Side by side, latest fiscal year
| CEG | DUK | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $25.5B | $32.2B |
| Revenue growth | +8.3% | +6.2% |
| Net income | $2.3B | $5B |
| Net margin | 9.1% | 15.4% |
| Free cash flow | $1.3B | -$1.7B |
| Free cash flow margin | 5.0% | -5.3% |
| Earnings per share (diluted) | $7.40 | $6.31 |
| Cash | $3.6B | $245M |
| Debt | $7.4B | $87.2B |
| Price to earnings | 35.6 | 18.0 |
| Market value | $93.3B | $88.4B |
| Dividend yield | 0.15% | 3.72% |
| Rank by revenue in sector | #7 of 109 · Utilities | #3 of 109 · Utilities |
Over the years
Questions about Constellation Energy and Duke Energy
Which is bigger by revenue, Constellation Energy or Duke Energy?
Duke Energy is bigger by revenue: $32.2B in fiscal 2025, against $25.5B for Constellation Energy in fiscal 2025.
Which keeps more of its revenue as profit, Constellation Energy or Duke Energy?
Constellation Energy had a net margin of 9.1% in fiscal 2025; Duke Energy had 15.4% in fiscal 2025.
Which grew revenue faster, Constellation Energy or Duke Energy?
In their latest fiscal years revenue changed by +8.3% at Constellation Energy and +6.2% at Duke Energy.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.