American Electric Power vs Constellation Energy
Constellation Energy reported revenue of $25.5 billion in fiscal 2025, 1.2 times American Electric Power's $21.9 billion in fiscal 2025. American Electric Power's revenue grew 10.9% in its latest year, and Constellation Energy's grew 8.3%. American Electric Power had an operating margin of 24.3%, against 12.1% at Constellation Energy. Free cash flow was −$1.5 billion at American Electric Power and $1.3 billion at Constellation Energy.
Side by side
| American Electric Power | Constellation Energy | |
|---|---|---|
| Latest fiscal year | FY2025, Dec 31, 2025 | FY2025, Dec 31, 2025 |
| Revenue | $21.9B | $25.5B |
| Revenue growth | 10.9% | 8.3% |
| Revenue growth a year, last 5 years | 8.0% | 7.7% |
| Gross margin | — | — |
| Operating margin | 24.3% | 12.1% |
| Net margin | 16.9% | 9.1% |
| Free cash flow | −$1.5B | $1.3B |
| Free cash flow margin | −6.9% | 5.0% |
| Return on capital | 6.7% | 10.4% |
| Net debt to EBITDA | 5.6x | 0.9x |
| Dividends and buybacks | $2.0B | $886M |
| Change in diluted share count | 1.1% | −0.3% |
| Last close | $129.22 | $252.48 |
| P/E at the last close | 19.1× | 24.6× |
| Insider trades, last 12 months | sold $2.2 million | bought $417,930, sold $0 |
| Piotroski F-score | 7 of 8 | 5 of 8 |
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.
Ten years
Revenue
US$ billions, fiscal years
American Electric PowerConstellation Energy
Operating margin
Percent of revenue
American Electric PowerConstellation Energy
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
American Electric PowerConstellation Energy
Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the American Electric Power and Constellation Energy pages.