NRG vs ROK vs CEG Stock Comparison

Nrg Energy, Rockwell Automation and Constellation Energy Prices as of Oct 27, 2026 Peers: Industry group
NRG Nrg Energy, Inc.
$95.27 -5.1% 1M -44.8% 1Y
Market cap
$20.41B
P/E
26.1x
Revenue (TTM)
$33.13B
Div. yield
0.02%
Independent Power Producers Utilities
3 wins
ROK Rockwell Automation, Inc
$439.20 +1.1% 1M +21.5% 1Y
Market cap
$49.39B
P/E
41.1x
Revenue (TTM)
$8.97B
Div. yield
–
Industrial Machinery Industrials
5 wins

Head to Head

11 decided of 12

Rockwell Automation leads on 5 of the 12 questions below (Rockwell Automation 5, Constellation Energy 3, Nrg Energy 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNRGROKCEGLeader
Larger companyMarket capitalisation $20.41B $49.39B $92.67B CEG
Cheaper on earningsLower P/E, profitable companies only 26.1x 41.1x 26.7x NRG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 11.2x 35.1x 20.9x NRG
Faster revenue growthRevenue growth, trailing twelve months +12.8% +11.3% +26.0% CEG
More profitableNet margin, trailing twelve months 2.4% 13.4% 11.1% ROK
Better return on capitalReturn on invested capital 5.8% 21.0% 5.5% ROK
Less leveragedLower net debt / EBITDA 6.2x 1.3x 2.9x ROK
Higher dividend yieldTrailing dividend yield 0.02% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -44.8% +21.5% -33.8% ROK
Better 5-year returnAnnualised price return, 5 years +18.5%/yr +6.6%/yr — NRG
Less volatileAnnualised volatility, 1 year 49.9% 31.3% 48.6% ROK
Higher overall scoreMean of the five percentile scores vs peers 66/100 53/100 70/100 CEG

Percentile Scorecard

NRGROKCEG

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisNRGROKCEG
Valuation 70 #8 of 24 16 #170 of 203 61 #10 of 24
Growth 77 #6 of 23 50 #94 of 188 96 #2 of 23
Profitability 73 #7 of 23 96 #9 of 183 86 #4 of 23
Financial Health 17 #20 of 24 32 #147 of 217 48 #13 of 24
Shareholder Returns 95 #2 of 20 72 #44 of 153 58 #9 of 20
Overall 66 53 70
  • NRG ranked among 24 companies in Power Generation
  • ROK ranked among 222 companies in Machinery
  • CEG ranked among 24 companies in Power Generation

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodNRGROKCEGSPY
1 month -5.1%+1.1%-1.6% -0.2%
3 months -25.3%-6.8%-0.3% +3.9%
6 months -38.5%+9.4%-15.3% +8.2%
Year to date -40.2%+12.9%-26.7% +12.9%
1 year -44.8%+21.5%-33.8% +12.3%
3 years +128.7%+67.6%+133.8% +87.4%
3 years, per year +31.8%+18.8%+32.7% +23.3%
5 years +133.2%+37.8%— +67.9%
5 years, per year +18.5%+6.6%— +10.9%
10 years +809.9%+271.5%— +261.1%
10 years, per year +24.7%+14.0%— +13.7%

Risk

MeasureNRGROKCEGSPY
Volatility, 1Y 49.9%31.3%48.6% 12.7%
Downside volatility, 1Y 55.6%31.8%50.1% 12.7%
Beta vs S&P 500, 1Y 1.401.401.44 1.00
Return / volatility, 1Y -0.900.69-0.70 0.97
Max drawdown, 5Y -49.8%-45.6%-50.8% -25.4%
From 52-week high -48.2%-11.3%-35.5% -1.2%
52-week high $184.03$495.08$401.43 $779.14
52-week low $92.32$348.51$236.50 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleNRGROKCEG
P/E now vs peer median 25.7xmedian 25.0x 40.6xmedian 25.2x 26.9xmedian 25.0x
P/S now vs peer median 0.6xmedian 2.8x 5.4xmedian 1.9x 2.9xmedian 2.8x
EV/EBITDA now vs peer median 11.5xmedian 11.5x 24.6xmedian 14.0x 14.0xmedian 11.5x
P/FCF now vs peer median 57.6xmedian 13.6x 32.4xmedian 21.7x 297.5xmedian 13.6x
P/B now vs peer median 4.1xmedian 2.1x 14.0xmedian 2.3x 2.9xmedian 2.1x
PEG now vs peer median 0.75median 0.60 -9.25median 1.32 0.45median 0.60

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsNRGROKCEG
Revenue $33.13B $8.97B $31.27B
Gross profit $6.23B $4.41B –
Operating income $2.02B $1.77B $4.60B
Net income $849.00M $1.20B $3.48B
Free cash flow $348.00M $1.50B $309.00M
R&D – $716.00M –
EPS (diluted) $3.69 $10.76 $9.63
Cash & equivalents $162.00M $479.00M $697.00M
Total debt $23.44B $13.81B $24.70B
Shares (diluted) 212.00M 111.60M 360.00M
Enterprise value $14.63B $47.58B $83.58B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricNRGROKCEG
P/E 25.7x 40.6x 26.9x
P/FCF 57.6x 32.4x 297.5x
P/Operating cash flow 12.9x 28.2x 21.9x
P/S 0.6x 5.4x 2.9x
P/B 4.1x 14.0x 2.9x
P/Tangible book 7.4x 17.5x 2.9x
EV/EBITDA 11.5x 24.6x 14.0x
EV/EBIT 21.5x 29.1x 25.2x
EV/Revenue 1.3x 5.7x 3.7x
EV/FCF 124.5x 34.3x 375.2x
EV/Operating cash flow 27.9x 29.8x 27.6x
PEG (3Y EPS CAGR) 0.75 -9.25 0.45

Growth

14 metrics
MetricNRGROKCEG
Revenue growth (1Y) 12.8% 11.3% 26.0%
Revenue CAGR (3Y) 2.9% 1.3% 5.8%
Gross profit growth (1Y) 22.9% 1.9% –
Gross profit CAGR (3Y) 348.5% 7.5% –
Operating income growth (1Y) 57.9% -7.1% 19.7%
Operating income CAGR (3Y) 43.0% 2.9% 111.3%
Net income growth (1Y) 62.6% 23.8% 15.2%
Net income CAGR (3Y) 34.1% -5.5% 66.0%
EPS growth (1Y) 58.9% 25.2% 0.4%
EPS CAGR (3Y) 34.1% -4.4% 59.2%
Operating cash flow growth (1Y) -32.1% 13.8% 822.4%
Operating cash flow CAGR (3Y) 33.9% 22.8% 42.4%
Free cash flow growth (1Y) -75.0% 13.9% 112.9%
Free cash flow CAGR (3Y) 27.6% 23.6% 26.9%

Profitability

14 metrics
MetricNRGROKCEG
Gross margin 18.8% 49.1% –
EBITDA margin 11.4% 23.3% 26.4%
Operating margin 6.1% 19.7% 14.7%
Pretax margin 3.2% 14.7% 16.3%
Net margin 2.4% 13.4% 11.1%
FCF margin 1.1% 16.8% 1.0%
Operating cash flow margin 4.7% 19.3% 13.5%
Return on equity 17.5% 30.9% 10.6%
Return on assets 2.1% 9.8% 3.6%
Return on invested capital 5.8% 21.0% 5.5%
Return on capital employed 6.7% 23.6% 5.4%
Asset turnover 0.8x 0.8x 0.3x
Cash conversion (OCF / net income) 1.8x 1.4x 1.2x
Stock comp / revenue 0.4% 1.0% –

Financial Health

11 metrics
MetricNRGROKCEG
Debt / assets 58.7% 29.4% 25.1%
Debt / equity 4.8x 0.9x 0.8x
Net debt / EBITDA 6.2x 1.3x 2.9x
Debt / FCF 67.3x 2.2x 79.9x
Liabilities / assets 87.8% 68.5% 67.5%
Equity / assets 12.2% 31.5% 32.5%
Interest coverage 2.0x 12.8x 5.9x
Current ratio 1.0x 1.1x 1.5x
Quick ratio 0.5x 0.7x 0.6x
Cash ratio 0.0x 0.1x 0.1x
Altman Z-score 1.41 5.96 1.49

Shareholder Returns

7 metrics
MetricNRGROKCEG
Dividend yield 1.9% 1.3% 0.6%
Net buyback yield 8.2% 1.4% –
Shareholder yield 10.1% 2.7% 0.6%
Payout ratio (earnings) 51.7% – –
Payout ratio (FCF) 126.1% – –
Dividend growth (1Y) 7.6% – –
Dividend CAGR (3Y) 9.1% – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusNRGROKCEG
Forward P/E 11.2xFY2026 35.1xFY2026 20.9xFY2026
EPS, next fiscal year $8.49FY2026 $12.50FY2026 $12.40FY2026
EPS growth, next FY +5.2%FY2026 +18.7%FY2026 +32.1%FY2026
EPS growth, the year after +28.7% +12.3% +12.1%
Revenue, next fiscal year $36.07BFY2026 $8.50BFY2026 $31.54BFY2026
Revenue growth, next FY +17.5%FY2026 +1.9%FY2026 +23.5%FY2026
Revenue growth, the year after -0.9% +19.4% +7.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNRGROKCEG
Held by institutions 93.7% 89.2% 79.8%
Institutions holding 1,023 1,540 1,843
Change in shares held, QoQ +0.7% +3.5% +2.9%
Institutions buying 508 805 1,002
Institutions selling 385 437 579
Buyers to sellers 1.32 1.84 1.73

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

NRGROKCEG
NRG 1.00 0.42 0.70
ROK 0.42 1.00 0.28
CEG 0.70 0.28 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NRG, ROK and CEG?

Constellation Energy (CEG) is the largest by market capitalisation: Nrg Energy (NRG) $20.41B, Rockwell Automation (ROK) $49.39B, Constellation Energy (CEG) $92.67B.

Which stock is cheaper, NRG, ROK and CEG?

Nrg Energy (NRG) trades on the lowest price-to-earnings ratio (Nrg Energy (NRG) 26.1x, Rockwell Automation (ROK) 41.1x, Constellation Energy (CEG) 26.7x). On next year's consensus earnings, Nrg Energy (NRG) is cheapest (Nrg Energy (NRG) 11.2x, Rockwell Automation (ROK) 35.1x, Constellation Energy (CEG) 20.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Constellation Energy (CEG) grew revenue fastest over the trailing twelve months: Nrg Energy (NRG) +12.8%, Rockwell Automation (ROK) +11.3%, Constellation Energy (CEG) +26.0%.

Which company is more profitable?

Rockwell Automation (ROK) has the highest net margin (Nrg Energy (NRG) 2.4%, Rockwell Automation (ROK) 13.4%, Constellation Energy (CEG) 11.1%). On return on invested capital, Rockwell Automation (ROK) leads (Nrg Energy (NRG) 5.8%, Rockwell Automation (ROK) 21.0%, Constellation Energy (CEG) 5.5%).

Which stock has performed better?

Over the past year Rockwell Automation (ROK) returned the most: Nrg Energy (NRG) -44.8%, Rockwell Automation (ROK) +21.5%, Constellation Energy (CEG) -33.8%. Over five years, Nrg Energy (NRG) compounded fastest (Nrg Energy (NRG) +18.5%/yr, Rockwell Automation (ROK) +6.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Nrg Energy (NRG) 0.02%, Rockwell Automation (ROK) 0.00%, Constellation Energy (CEG) 0.00%. Rockwell Automation (ROK) and Constellation Energy (CEG) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rockwell Automation (ROK) has been the steadiest (Nrg Energy (NRG) 49.9%, Rockwell Automation (ROK) 31.3%, Constellation Energy (CEG) 48.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NRG, ROK and CEG?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rockwell Automation (ROK) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.