CPK vs AEP vs NGG Stock Comparison

Chesapeake Utilities, American Electric Power and National Grid Prices as of Oct 28, 2026 Peers: Industry group
CPK Chesapeake Utilities Corp
$134.06 +5.4% 1M +1.7% 1Y
Market cap
$3.25B
P/E
21.6x
Revenue (TTM)
$993.50M
Div. yield
0.02%
Regulated Electric Utilities Utilities
4 wins
NGG National Grid Plc
$82.20 +9.3% 1M +7.2% 1Y
Market cap
$83.16B
P/E
18.7x
Revenue (TTM)
—
Div. yield
–
Regulated Electric Utilities Utilities
4 wins

Head to Head

11 decided of 12

National Grid leads on 4 of the 12 questions below (National Grid 4, Chesapeake Utilities 4, American Electric Power 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCPKAEPNGGLeader
Larger companyMarket capitalisation $3.25B $70.03B $83.16B NGG
Cheaper on earningsLower P/E, profitable companies only 21.6x 25.4x 18.7x NGG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.5x 21.3x 14.0x NGG
Faster revenue growthRevenue growth, trailing twelve months +14.6% +10.3% — CPK
More profitableNet margin, trailing twelve months 15.1% 12.1% — CPK
Better return on capitalReturn on invested capital 6.6% 5.5% — CPK
Less leveragedLower net debt / EBITDA 4.7x 6.0x — CPK
Higher dividend yieldTrailing dividend yield 0.02% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +1.7% +11.4% +7.2% AEP
Better 5-year returnAnnualised price return, 5 years +0.5%/yr +8.6%/yr +5.1%/yr AEP
Less volatileAnnualised volatility, 1 year 20.3% 19.4% 22.4% AEP
Higher overall scoreMean of the five percentile scores vs peers 65/100 40/100 73/100 NGG

Percentile Scorecard

CPKAEPNGG

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

AxisCPKAEPNGG
Valuation 39 #41 of 67 24 #51 of 67 55 #31 of 67
Growth 94 #5 of 65 64 #24 of 65 –
Profitability 74 #17 of 62 57 #27 of 62 –
Financial Health 59 #26 of 62 28 #45 of 62 75 #16 of 62
Shareholder Returns 59 #28 of 67 29 #48 of 67 89 #8 of 67
Overall 65 40 73
  • CPK ranked among 67 companies in Regulated Utilities
  • AEP 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

PeriodCPKAEPNGGSPY
1 month +5.4%+8.5%+9.3% +0.9%
3 months -2.0%-0.9%+4.2% +5.9%
6 months +7.1%-4.6%-4.4% +8.5%
Year to date +7.5%+11.2%+6.3% +13.3%
1 year +1.7%+11.4%+7.2% +12.4%
3 years +51.7%+71.1%+37.3% +88.1%
3 years, per year +14.9%+19.6%+11.1% +23.5%
5 years +2.3%+51.3%+28.3% +68.2%
5 years, per year +0.5%+8.6%+5.1% +11.0%
10 years +112.5%+102.2%+16.4% +263.4%
10 years, per year +7.8%+7.3%+1.5% +13.8%

Risk

MeasureCPKAEPNGGSPY
Volatility, 1Y 20.3%19.4%22.4% 12.7%
Downside volatility, 1Y 21.1%19.3%24.2% 12.7%
Beta vs S&P 500, 1Y -0.24-0.070.31 1.00
Return / volatility, 1Y 0.080.590.32 0.98
Max drawdown, 5Y -40.5%-32.2%-40.9% -25.4%
From 52-week high -3.6%-7.6%-12.5% -0.9%
52-week high $139.06$138.69$93.93 $779.14
52-week low $118.97$113.70$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.

MultipleCPKAEPNGG
P/E now vs peer median 21.5xmedian 20.8x 25.3xmedian 20.8x 18.7xmedian 20.8x
P/S now vs peer median 3.3xmedian 2.9x 3.1xmedian 2.9x 3.6xmedian 2.9x
EV/EBITDA now vs peer median 13.6xmedian 13.1x 13.9xmedian 13.1x —median 13.1x
P/FCF now vs peer median -16.7xmedian 35.3x -12.1xmedian 35.3x -29.5xmedian 35.3x
P/B now vs peer median 1.9xmedian 1.7x 2.1xmedian 1.7x 1.6xmedian 1.7x
PEG now vs peer median 2.72median 2.18 2.73median 2.18 —median 2.18

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 monthsCPKAEPNGG
Revenue $993.50M $22.79B –
Gross profit $669.70M $15.43B –
Operating income $271.10M $5.24B –
Net income $150.20M $3.07B –
Free cash flow -$193.50M -$5.75B –
EPS (diluted) $6.21 $5.02 –
Cash & equivalents $400.00K $375.00M $493.98M
Total debt $1.69B $52.84B $61.59B
Shares (diluted) 24.17M 550.63M 994.20M
Enterprise value $3.24B $67.20B $55.46B

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
MetricCPKAEPNGG
P/E 21.5x 25.3x 18.7x
P/FCF -16.7x -12.1x -29.5x
P/Operating cash flow 10.5x 9.1x –
P/S 3.3x 3.1x 3.6x
P/B 1.9x 2.1x 1.6x
P/Tangible book 1.9x 2.1x 1.8x
EV/EBITDA 13.6x 13.9x –
EV/EBIT 18.1x 23.3x –
EV/Revenue 5.0x 5.4x –
EV/FCF -25.4x -21.2x –
EV/Operating cash flow 16.0x 15.9x –
PEG (3Y EPS CAGR) 2.72 2.73 –

Growth

14 metrics
MetricCPKAEPNGG
Revenue growth (1Y) 14.6% 10.3% –
Revenue CAGR (3Y) 13.9% 5.4% –
Gross profit growth (1Y) 11.3% 8.1% –
Gross profit CAGR (3Y) – 7.8% –
Operating income growth (1Y) 10.7% 2.2% –
Operating income CAGR (3Y) 23.2% 19.5% –
Net income growth (1Y) 16.4% -17.4% –
Net income CAGR (3Y) 19.4% 15.7% –
EPS growth (1Y) 12.7% 5.2% –
EPS CAGR (3Y) 7.9% 9.2% –
Operating cash flow growth (1Y) 45.9% 17.1% –
Operating cash flow CAGR (3Y) 18.7% 22.6% –
Free cash flow growth (1Y) 3.2% -63.5% –
Free cash flow CAGR (3Y) -102.6% -19.1% –

Profitability

14 metrics
MetricCPKAEPNGG
Gross margin 67.4% 67.7% –
EBITDA margin 36.5% 38.4% –
Operating margin 27.3% 23.0% –
Pretax margin 20.8% 15.4% –
Net margin 15.1% 12.1% –
FCF margin -19.5% -25.2% –
Operating cash flow margin 31.0% 33.8% –
Return on equity 9.0% 9.6% –
Return on assets 3.6% 2.7% –
Return on invested capital 6.6% 5.5% –
Return on capital employed 7.7% 5.0% –
Asset turnover 0.2x 0.2x –
Cash conversion (OCF / net income) 2.1x 2.5x –
Stock comp / revenue 0.8% – –

Financial Health

11 metrics
MetricCPKAEPNGG
Debt / assets 40.4% 43.5% 43.2%
Debt / equity 1.0x 1.6x 1.2x
Net debt / EBITDA 4.7x 6.0x –
Debt / FCF -8.7x -9.2x –
Liabilities / assets 59.9% 72.6% 63.7%
Equity / assets 40.1% 27.4% 36.3%
Interest coverage 3.7x 2.4x –
Current ratio 0.3x 0.5x 0.8x
Quick ratio 0.2x 0.3x 0.7x
Cash ratio 0.0x 0.0x 0.3x
Altman Z-score 1.34 0.92 –

Shareholder Returns

7 metrics
MetricCPKAEPNGG
Dividend yield 2.1% 3.0% 3.9%
Net buyback yield -2.4% – –
Shareholder yield -0.3% 3.0% 3.9%
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.

ConsensusCPKAEPNGG
Forward P/E 21.5xFY2026 21.3xFY2026 14.0xFY2026
EPS, next fiscal year $6.24FY2026 $6.01FY2026 $5.86FY2026
EPS growth, next FY +3.8%FY2026 +0.7%FY2026 +11.4%FY2026
EPS growth, the year after +15.1% +19.0% +8.9%
Revenue, next fiscal year $1.09BFY2026 $23.09BFY2026 $25.38BFY2026
Revenue growth, next FY +17.2%FY2026 +5.5%FY2026 +6.4%FY2026
Revenue growth, the year after +4.7% +3.5% +8.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCPKAEPNGG
Held by institutions 92.3% 92.1% 6.2%
Institutions holding 333 1,985 617
Change in shares held, QoQ +4.2% +13.2% +6.6%
Institutions buying 188 1,065 352
Institutions selling 98 584 159
Buyers to sellers 1.92 1.82 2.21

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.

CPKAEPNGG
CPK 1.00 0.54 0.38
AEP 0.54 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, AEP and NGG?

National Grid (NGG) is the largest by market capitalisation: Chesapeake Utilities (CPK) $3.25B, American Electric Power (AEP) $70.03B, National Grid (NGG) $83.16B.

Which stock is cheaper, CPK, AEP and NGG?

National Grid (NGG) trades on the lowest price-to-earnings ratio (Chesapeake Utilities (CPK) 21.6x, American Electric Power (AEP) 25.4x, National Grid (NGG) 18.7x). On next year's consensus earnings, National Grid (NGG) is cheapest (Chesapeake Utilities (CPK) 21.5x, American Electric Power (AEP) 21.3x, National Grid (NGG) 14.0x). 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%, American Electric Power (AEP) +10.3%.

Which company is more profitable?

Chesapeake Utilities (CPK) has the highest net margin (Chesapeake Utilities (CPK) 15.1%, American Electric Power (AEP) 12.1%). On return on invested capital, Chesapeake Utilities (CPK) leads (Chesapeake Utilities (CPK) 6.6%, American Electric Power (AEP) 5.5%).

Which stock has performed better?

Over the past year American Electric Power (AEP) returned the most: Chesapeake Utilities (CPK) +1.7%, American Electric Power (AEP) +11.4%, National Grid (NGG) +7.2%. Over five years, American Electric Power (AEP) compounded fastest (Chesapeake Utilities (CPK) +0.5%/yr, American Electric Power (AEP) +8.6%/yr, National Grid (NGG) +5.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Chesapeake Utilities (CPK) 0.02%, American Electric Power (AEP) 0.00%, National Grid (NGG) 0.00%. American Electric Power (AEP) and National Grid (NGG) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, American Electric Power (AEP) has been the steadiest (Chesapeake Utilities (CPK) 20.3%, American Electric Power (AEP) 19.4%, National Grid (NGG) 22.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CPK, AEP 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 4. 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.