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.

Compare

Total returnAEE vs NRG

growth of $100 · dividends reinvested · last 23y
AEE +537.1%NRG +1536.3%NRG compounded faster
05001k2k2k3kStart $10020072011201520192023$637$1,636
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

MetricAEENRG
P/E ratio19.2730.72
Forward P/E20.3312.71
P/S ratio3.480.67
P/B ratio2.235.06
PEG ratio0.872.12
EV / EBITDA8.4011.43
FCF yieldN/A1.42%

Profitability

MetricAEENRG
Gross margin29.58%16.42%
Operating margin24.87%5.38%
Net margin17.86%2.31%
ROE11.42%17.49%
ROIC4.01%7.00%

Dividends

MetricAEENRG
Dividend yield2.67%1.56%
Payout ratio54.28%44.74%

Growth (annualized)

MetricAEENRG
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.

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.