American Electric Power Company, Inc. (AEP) vs Constellation Energy Corporation (CEG)
A side-by-side comparison of American Electric Power Company, Inc. and Constellation Energy Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.
AEP
American Electric Power Company, Inc.
$120.00UtilitiesDelayed quote: Sep 18, 2026, 4:00 PM EDT
CEG
Constellation Energy Corporation
$254.71UtilitiesDelayed quote: Sep 18, 2026, 4:00 PM EDT
Total return — AEP vs CEG
growth of $100 · dividends reinvested · last 5yAEP +61.9% (+10.1%/yr)CEG +604.3% (+47.8%/yr)CEG compounded faster over this window
AEP CEG
AEP vs CEG: by the numbers
- •CEG is the larger company ($91.47B vs $65.33B market cap).
- •AEP trades at the lower trailing earnings multiple (20.76 vs 24.75 P/E), one valuation lens rather than an overall verdict.
- •AEP converts more revenue to profit (13.95% vs 11.12% net margin).
- •CEG grew revenue faster over the past five years (10.83% vs 7.40% CAGR).
- •AEP pays the higher dividend yield (3.08% vs 0.59%).
Metrics side by side
Valuation
| Metric | AEP | CEG |
|---|---|---|
| P/E ratio | 20.76 | 24.75 |
| Forward P/E | 18.81 | 21.15 |
| P/S ratio | 2.90 | 2.92 |
| P/B ratio | 2.03 | 2.86 |
| EV / EBITDA | 11.84 | 15.94 |
| FCF yield | N/A | 0.34% |
Profitability
| Metric | AEP | CEG |
|---|---|---|
| Gross margin | 31.81% | 75.83% |
| Operating margin | 28.36% | 14.65% |
| Net margin | 13.95% | 11.12% |
| ROE | 9.77% | 10.88% |
| ROIC | 5.13% | 3.42% |
Dividends
| Metric | AEP | CEG |
|---|---|---|
| Dividend yield | 3.08% | 0.59% |
| Payout ratio | 65.74% | 16.20% |
Growth (annualized)
| Metric | AEP | CEG |
|---|---|---|
| Revenue CAGR (5Y) | 7.40% | 10.83% |
| EPS CAGR (5Y) | 8.45% | 32.64% |
| FCF CAGR (5Y) | N/A | 3.83% |
| Total return CAGR (5Y) | 10.68% | N/A |
Frequently asked
- Which has the lower trailing P/E, AEP or CEG?
- AEP has the lower trailing P/E: AEP trades at 20.76 and CEG at 24.75. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, AEP or CEG?
- Over the past five years, CEG grew revenue faster — AEP at a 7.40% CAGR versus CEG at 10.83%.
- Does AEP or CEG pay a bigger dividend?
- AEP yields 3.08% and CEG yields 0.59% based on trailing dividends and the latest price.
- Is AEP or CEG more profitable?
- AEP runs the higher net margin — AEP at 13.95% versus CEG at 11.12%.
Go deeper
Dig into the metrics
American Electric Power P/E ratioConstellation Energy P/E ratioAmerican Electric Power dividend yieldConstellation Energy dividend yieldAmerican Electric Power ROEConstellation Energy ROEAmerican Electric Power operating marginConstellation Energy operating marginAmerican Electric Power revenue growthConstellation Energy revenue growthAmerican Electric Power free cash flowConstellation Energy free cash flow
American Electric Power & Constellation Energy appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.