CPK vs DUK vs NGG Stock Comparison

Chesapeake Utilities, Duke Energy and National Grid Prices as of Oct 29, 2026 Peers: Industry group
CPK Chesapeake Utilities Corp
$135.43 +5.7% 1M +5.4% 1Y
Market cap
$3.26B
P/E
21.7x
Revenue (TTM)
$993.50M
Div. yield
2.09%
Regulated Electric Utilities Utilities
1 win
DUK Duke Energy CORP
$125.90 +10.3% 1M +1.3% 1Y
Market cap
$97.95B
P/E
18.9x
Revenue (TTM)
$33.25B
Div. yield
3.39%
Regulated Electric Utilities Utilities
3 wins
NGG National Grid Plc
$84.20 +12.3% 1M +11.4% 1Y
Market cap
$87.55B
P/E
19.2x
Revenue (TTM)
—
Div. yield
3.84%
Regulated Electric Utilities Utilities
5 wins

Head to Head

9 decided of 12

National Grid leads on 5 of the 12 questions below (National Grid 5, Duke Energy 3, Chesapeake Utilities 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCPKDUKNGGLeader
Larger companyMarket capitalisation $3.26B $97.95B $87.55B DUK
Cheaper on earningsLower P/E, profitable companies only 21.7x 18.9x 19.2x DUK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.7x 19.2x 14.4x NGG
Faster revenue growthRevenue growth, trailing twelve months +14.6% +6.3% — CPK
More profitableNet margin, trailing twelve months 15.1% — — –
Better return on capitalReturn on invested capital 6.6% — — –
Less leveragedLower net debt / EBITDA 4.7x — — –
Higher dividend yieldTrailing dividend yield 2.09% 3.39% 3.84% NGG
Better 1-year returnPrice return, last 12 months +5.4% +1.3% +11.4% NGG
Better 5-year returnAnnualised price return, 5 years +0.7%/yr +4.3%/yr +5.6%/yr NGG
Less volatileAnnualised volatility, 1 year 20.1% 16.7% 22.5% DUK
Higher overall scoreMean of the five percentile scores vs peers 65/100 70/100 74/100 NGG

Percentile Scorecard

CPKDUKNGG

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

AxisCPKDUKNGG
Valuation 36 #43 of 67 77 #16 of 67 55 #31 of 67
Growth 94 #5 of 65 81 #13 of 65 –
Profitability 74 #17 of 63 47 #34 of 63 –
Financial Health 59 #26 of 62 – 75 #16 of 62
Shareholder Returns 61 #27 of 67 73 #19 of 67 91 #7 of 67
Overall 65 70 74
  • CPK ranked among 67 companies in Regulated Utilities
  • DUK ranked among 67 companies in Regulated Utilities
  • NGG ranked among 67 companies in Regulated Utilities

Price Performance

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

Returns

PeriodCPKDUKNGGSPY
1 month +5.7%+10.3%+12.3% +0.7%
3 months +1.7%-0.3%+4.8% +3.7%
6 months +7.4%-2.8%-6.0% +7.1%
Year to date +8.6%+7.4%+8.9% +12.8%
1 year +5.4%+1.3%+11.4% +11.9%
3 years +52.8%+43.2%+39.8% +85.2%
3 years, per year +15.2%+12.7%+11.8% +22.8%
5 years +3.3%+23.4%+31.4% +67.6%
5 years, per year +0.7%+4.3%+5.6% +10.9%
10 years +114.6%+59.9%+19.3% +262.0%
10 years, per year +7.9%+4.8%+1.8% +13.7%

Risk

MeasureCPKDUKNGGSPY
Volatility, 1Y 20.1%16.7%22.5% 12.7%
Downside volatility, 1Y 20.8%16.8%24.2% 12.6%
Beta vs S&P 500, 1Y -0.24-0.320.31 1.00
Return / volatility, 1Y 0.270.080.51 0.94
Max drawdown, 5Y -40.5%-26.0%-40.9% -25.4%
From 52-week high -2.6%-5.7%-10.4% -1.2%
52-week high $139.06$133.46$93.93 $779.14
52-week low $118.97$113.24$73.54 $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.

MultipleCPKDUKNGG
P/E now vs peer median 21.7xmedian 20.5x 18.9xmedian 20.5x 19.2xmedian 20.5x
P/S now vs peer median 3.3xmedian 2.9x 2.9xmedian 2.9x 3.7xmedian 2.9x
EV/EBITDA now vs peer median 13.6xmedian 13.1x —median 13.1x —median 13.1x
P/FCF now vs peer median -16.9xmedian 40.5x —median 40.5x -30.2xmedian 40.5x
P/B now vs peer median 2.0xmedian 1.7x 1.7xmedian 1.7x 1.7xmedian 1.7x
PEG now vs peer median 2.75median 2.14 0.32median 2.14 —median 2.14

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 monthsCPKDUKNGG
Revenue $993.50M $33.25B –
Gross profit $669.70M – –
Operating income $271.10M $9.23B –
Net income $150.20M $5.38B –
Free cash flow -$193.50M – –
EPS (diluted) $6.21 $6.66 –
Cash & equivalents $400.00K $673.00M $493.98M
Total debt $1.69B – $61.59B
Shares (diluted) 24.17M 779.00M 994.20M
Enterprise value $3.26B $100.06B $59.88B

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
MetricCPKDUKNGG
P/E 21.7x 18.9x 19.2x
P/FCF -16.9x – -30.2x
P/Operating cash flow 10.6x 8.5x –
P/S 3.3x 2.9x 3.7x
P/B 2.0x 1.7x 1.7x
P/Tangible book 2.0x 1.7x 1.9x
EV/EBITDA 13.6x – –
EV/EBIT 18.3x – –
EV/Revenue 5.0x 2.9x –
EV/FCF -25.6x – –
EV/Operating cash flow 16.1x 8.5x –
PEG (3Y EPS CAGR) 2.75 0.32 –

Growth

14 metrics
MetricCPKDUKNGG
Revenue growth (1Y) 14.6% 6.3% –
Revenue CAGR (3Y) 13.9% 4.6% –
Gross profit growth (1Y) 11.3% – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) 10.7% 9.5% –
Operating income CAGR (3Y) 23.2% 13.2% –
Net income growth (1Y) 16.4% 8.7% –
Net income CAGR (3Y) 19.4% 59.0% –
EPS growth (1Y) 12.7% 8.9% –
EPS CAGR (3Y) 7.9% 59.6% –
Operating cash flow growth (1Y) 45.9% -3.2% –
Operating cash flow CAGR (3Y) 18.7% 26.8% –
Free cash flow growth (1Y) 3.2% – –
Free cash flow CAGR (3Y) -102.6% – –

Profitability

14 metrics
MetricCPKDUKNGG
Gross margin 67.4% – –
EBITDA margin 36.5% – –
Operating margin 27.3% – –
Pretax margin 20.8% – –
Net margin 15.1% – –
FCF margin -19.5% – –
Operating cash flow margin 31.0% 34.8% –
Return on equity 9.0% 9.5% –
Return on assets 3.6% 2.7% –
Return on invested capital 6.6% – –
Return on capital employed 7.7% – –
Asset turnover 0.2x 0.2x –
Cash conversion (OCF / net income) 2.1x 2.1x –
Stock comp / revenue 0.8% – –

Financial Health

11 metrics
MetricCPKDUKNGG
Debt / assets 40.4% – 43.2%
Debt / equity 1.0x – 1.2x
Net debt / EBITDA 4.7x – –
Debt / FCF -8.7x – –
Liabilities / assets 59.9% – 63.7%
Equity / assets 40.1% 28.3% 36.3%
Interest coverage 3.7x – –
Current ratio 0.3x 0.7x 0.8x
Quick ratio 0.2x – 0.7x
Cash ratio 0.0x – 0.3x
Altman Z-score 1.35 – –

Shareholder Returns

7 metrics
MetricCPKDUKNGG
Dividend yield 2.1% 3.4% 3.8%
Net buyback yield -2.4% – –
Shareholder yield -0.3% 3.4% 3.8%
Payout ratio (earnings) 42.7% – –
Payout ratio (FCF) -33.1% – –
Dividend growth (1Y) 11.7% – –
Dividend CAGR (3Y) 19.4% – –

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.

ConsensusCPKDUKNGG
Forward P/E 21.7xFY2026 19.2xFY2026 14.4xFY2026
EPS, next fiscal year $6.24FY2026 $6.56FY2026 $5.86FY2026
EPS growth, next FY +3.8%FY2026 +4.0%FY2026 +11.4%FY2026
EPS growth, the year after +15.1% +15.4% +8.9%
Revenue, next fiscal year $1.09BFY2026 $32.42BFY2026 $25.38BFY2026
Revenue growth, next FY +17.2%FY2026 +0.6%FY2026 +6.4%FY2026
Revenue growth, the year after +4.7% +4.1% +8.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCPKDUKNGG
Held by institutions 92.3% 69.7% 6.2%
Institutions holding 334 2,460 618
Change in shares held, QoQ +4.2% +0.5% +6.6%
Institutions buying 188 1,298 353
Institutions selling 99 802 159
Buyers to sellers 1.90 1.62 2.22

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.

CPKDUKNGG
CPK 1.00 0.62 0.38
DUK 0.62 1.00 0.55
NGG 0.38 0.55 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CPK, DUK and NGG?

Duke Energy (DUK) is the largest by market capitalisation: Chesapeake Utilities (CPK) $3.26B, Duke Energy (DUK) $97.95B, National Grid (NGG) $87.55B.

Which stock is cheaper, CPK, DUK and NGG?

Duke Energy (DUK) trades on the lowest price-to-earnings ratio (Chesapeake Utilities (CPK) 21.7x, Duke Energy (DUK) 18.9x, National Grid (NGG) 19.2x). On next year's consensus earnings, National Grid (NGG) is cheapest (Chesapeake Utilities (CPK) 21.7x, Duke Energy (DUK) 19.2x, National Grid (NGG) 14.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Chesapeake Utilities (CPK) grew revenue fastest over the trailing twelve months: Chesapeake Utilities (CPK) +14.6%, Duke Energy (DUK) +6.3%.

Which stock has performed better?

Over the past year National Grid (NGG) returned the most: Chesapeake Utilities (CPK) +5.4%, Duke Energy (DUK) +1.3%, National Grid (NGG) +11.4%. Over five years, National Grid (NGG) compounded fastest (Chesapeake Utilities (CPK) +0.7%/yr, Duke Energy (DUK) +4.3%/yr, National Grid (NGG) +5.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

National Grid (NGG) has the highest dividend yield: Chesapeake Utilities (CPK) 2.09%, Duke Energy (DUK) 3.39%, National Grid (NGG) 3.84%.

Which stock is riskier?

By one-year price volatility, Duke Energy (DUK) has been the steadiest (Chesapeake Utilities (CPK) 20.1%, Duke Energy (DUK) 16.7%, National Grid (NGG) 22.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CPK, DUK and NGG?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, National Grid (NGG) 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.