Which has the lower trailing P/E, AEE or NRG?

AEE has the lower trailing P/E: AEE trades at 18.00 and NRG at 27.21. 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 2.78% and NRG yields 1.64% 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 11.28% and NRG delivered 28.22% annualized total return. Past performance doesn't predict future results.

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 September 13, 2026. Differences are shown without an overall score or investment verdict.

AEE

Ameren Corporation

$28.29B

$102.23UtilitiesDelayed quote: Sep 18, 2026, 4:00 PM EDT

NRG

NRG Energy, Inc.

$21.87B

$103.66UtilitiesDelayed quote: Sep 18, 2026, 4:00 PM EDT

Total return — AEE vs NRG

growth of $100 · dividends reinvested · last 10y

AEE +179.9% (+10.8%/yr)NRG +1064.5% (+27.8%/yr)NRG compounded faster over this window

AEE NRG

AEE vs NRG: by the numbers

•AEE is the larger company ($28.29B vs $21.87B market cap).
•AEE trades at the lower trailing earnings multiple (18.00 vs 27.21 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 (2.78% vs 1.64%).

Metrics side by side

Valuation

Metric	AEE	NRG
P/E ratio	18.00	27.21
Forward P/E	18.97	11.66
P/S ratio	3.23	0.60
P/B ratio	2.07	4.50
EV / EBITDA	13.15	10.79
FCF yield	N/A	1.59%

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	4.04%	5.38%

Dividends

Metric	AEE	NRG
Dividend yield	2.78%	1.64%
Payout ratio	51.41%	48.95%

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)	6.91%	24.35%

Frequently asked

Which has the lower trailing P/E, AEE or NRG?: AEE has the lower trailing P/E: AEE trades at 18.00 and NRG at 27.21. 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 2.78% and NRG yields 1.64% 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 11.28% and NRG delivered 28.22% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AEE analysis Full NRG analysis Interactive comparison tool

Dig into the metrics

Ameren P/E ratio NRG Energy P/E ratio Ameren dividend yield NRG Energy dividend yield Ameren ROE NRG Energy ROE Ameren operating margin NRG Energy operating margin Ameren revenue growth NRG Energy revenue growth Ameren free cash flow NRG Energy free cash flow

Ameren & NRG Energy appear in these rankings

Highest Dividend Yield Stocks Fastest Revenue Growth Stocks Highest 10-Year Total Return Stocks

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.