Constellation Energy vs Duke Energy (CEG vs DUK)
Constellation Energy (CEG) vs Duke Energy (DUK) in plain English: P/E, growth, margins, debt and dividend side by side, key differences and which fits each investor profile.
Constellation Energy (CEG) and Duke Energy (DUK) compete in utilities and renewables. Here are Constellation Energy and Duke Energy side by side with their real figures as of November 4, 2026: what sets them apart, which fits each kind of investor and the most common questions, without telling you whether to buy Constellation Energy or Duke Energy.
Constellation Energy vs Duke Energy: the figures
| Figure | Constellation Energy | Duke Energy |
|---|---|---|
| Share price | $245.72 (November 4, 2026) | $129.59 (November 4, 2026) |
| Market cap | $87.1 billion | $101.0 billion |
| P/E (TTM) | 24.0x | 19.5x |
| Forward P/E | 18.3x | 18.1x |
| Revenue growth (quarter) | +23.0% | +1.1% |
| Net margin (TTM) | 11.1% | 16.0% |
| Net debt / EBITDA | 3.0x | 5.5x |
| Dividend yield | 0.65% | 3.43% |
| Beta | 1.13 | 0.31 |
Constellation Energy and Duke Energy figures from Yahoo Finance, the same source the Fintols analysis uses, retrieved on November 4, 2026; N/A means that Constellation Energy or Duke Energy figure is not available, and we never estimate it.
3 key differences between Constellation Energy and Duke Energy
- Growth: Constellation Energy grew sales +23.0% year on year in its latest quarter, against +1.1% for Duke Energy.
- Dividend: Duke Energy yields 3.43% at today's price and Constellation Energy yields 0.65%.
- Volatility: Constellation Energy stock moves more (beta 1.13) than Duke Energy (beta 0.31); the higher the beta, the more it amplifies market swings.
Constellation Energy or Duke Energy: which fits your profile
- If you want growth: Constellation Energy is growing faster today, so it fits better with investors who put business growth first, usually accepting a higher P/E and a bumpier ride.
- If you want income (dividends): Duke Energy pays the higher dividend relative to its price.
- If you prefer caution: Constellation Energy has less debt relative to its profit, which usually gives more room in a bad year.
- If price is what matters most to you: Duke Energy trades on the lower P/E; check first whether that is an opportunity or a sign of a business that grows less.
Neither Constellation Energy nor Duke Energy wins on everything, and owning both is also an option: spreading money across several companies or an index fund reduces what rides on each one.
How Constellation Energy and Duke Energy make money
Constellation Energy (CEG)
Constellation Energy generates power mainly from nuclear plants, plus gas, hydro and renewables, selling it to businesses, households and U.S. wholesale markets. It reports regional segments such as Mid-Atlantic, Midwest, New York and ERCOT, and has signed long-term power deals with Microsoft and Meta to supply their data centers. Full Constellation Energy analysis.
Duke Energy (DUK)
Duke Energy is a regulated utility that earns rates approved by state regulators. Electric Utilities and Infrastructure, its largest segment, generates and delivers power in the Carolinas, Florida, Indiana, Ohio and Kentucky. Gas Utilities and Infrastructure distributes natural gas, mainly through Piedmont Natural Gas. Full Duke Energy analysis.
Frequently asked questions: Constellation Energy vs Duke Energy
Is Constellation Energy or Duke Energy the better stock?
Choosing between Constellation Energy and Duke Energy depends on what you are looking for. Constellation Energy is growing faster right now, and Duke Energy trades on the lower P/E. Fintols does not tell you whether to buy Constellation Energy or Duke Energy: it shows you the differences so you can decide.
Which pays a higher dividend, Constellation Energy or Duke Energy?
As of November 4, 2026, Duke Energy yields 3.43% and Constellation Energy yields 0.65%. Also check how much of their profit Constellation Energy and Duke Energy pay out: if it is more than they earn, it cannot last.
Which is more expensive, Constellation Energy or Duke Energy?
On P/E, Constellation Energy (24.0x) is more expensive than Duke Energy (19.5x) as of November 4, 2026. A higher P/E can be justified if earnings grow faster, so compare it with each company's growth in the table.
Can I own both Constellation Energy and Duke Energy?
Yes. Many people spread their money across several companies, such as Constellation Energy and Duke Energy, or use index funds so they do not depend on just one. If you are starting out, decide how much you want to invest and for how long before buying Constellation Energy or Duke Energy.
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More companies like Constellation Energy and Duke Energy: utilities and renewables stocks. Educational content about Constellation Energy and Duke Energy, not investment advice.