Ameren Corporation (AEE) vs NRG Energy, Inc. (NRG)
A side-by-side comparison of Ameren Corporation and NRG Energy, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 5, 2026. Differences are shown without an overall score or investment verdict.
AEE
Ameren Corporation
$108.48UtilitiesDelayed quote: Aug 5, 2026, 12:40 PM EDT
NRG
NRG Energy, Inc.
$118.96UtilitiesDelayed quote: Aug 5, 2026, 12:40 PM EDT
Total return — AEE vs NRG
growth of $100 · dividends reinvested · last 23yAEE +537.1%NRG +1536.3%NRG compounded faster
AEE NRG
AEE vs NRG: by the numbers
- •AEE is the larger company ($30.02B vs $25.10B market cap).
- •AEE trades at the lower trailing earnings multiple (19.27 vs 30.72 P/E), one valuation lens rather than an overall verdict.
- •AEE converts more revenue to profit (17.86% vs 2.31% net margin).
- •NRG grew revenue faster over the past five years (15.13% vs 7.86% CAGR).
- •AEE pays the higher dividend yield (2.67% vs 1.56%).
Metrics side by side
Valuation
| Metric | AEE | NRG |
|---|---|---|
| P/E ratio | 19.27 | 30.72 |
| Forward P/E | 20.33 | 12.71 |
| P/S ratio | 3.48 | 0.67 |
| P/B ratio | 2.23 | 5.06 |
| PEG ratio | 0.87 | 2.12 |
| EV / EBITDA | 8.40 | 11.43 |
| FCF yield | N/A | 1.42% |
Profitability
| Metric | AEE | NRG |
|---|---|---|
| Gross margin | 29.58% | 16.42% |
| Operating margin | 24.87% | 5.38% |
| Net margin | 17.86% | 2.31% |
| ROE | 11.42% | 17.49% |
| ROIC | 4.01% | 7.00% |
Dividends
| Metric | AEE | NRG |
|---|---|---|
| Dividend yield | 2.67% | 1.56% |
| Payout ratio | 54.28% | 44.74% |
Growth (annualized)
| Metric | AEE | NRG |
|---|---|---|
| Revenue CAGR (5Y) | 7.86% | 15.13% |
| EPS CAGR (5Y) | 8.79% | 14.48% |
| FCF CAGR (5Y) | N/A | -22.77% |
| Total return CAGR (5Y) | 8.25% | 26.16% |
Frequently asked
- Which has the lower trailing P/E, AEE or NRG?
- AEE has the lower trailing P/E: AEE trades at 19.27 and NRG at 30.72. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, AEE or NRG?
- Over the past five years, NRG grew revenue faster — AEE at a 7.86% CAGR versus NRG at 15.13%.
- Does AEE or NRG pay a bigger dividend?
- AEE yields 2.67% and NRG yields 1.56% based on trailing dividends and the latest price.
- Is AEE or NRG more profitable?
- AEE runs the higher net margin — AEE at 17.86% versus NRG at 2.31%.
- How have AEE and NRG total returns compared?
- Over the past 10 years, AEE delivered 10.93% and NRG delivered 26.43% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Ameren P/E ratioNRG Energy P/E ratioAmeren dividend yieldNRG Energy dividend yieldAmeren ROENRG Energy ROEAmeren operating marginNRG Energy operating marginAmeren revenue growthNRG Energy revenue growthAmeren free cash flowNRG Energy free cash flow
Ameren & NRG 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 August 5, 2026.