AQN vs SRE vs NGG Stock Comparison

Algonquin Power & Utilities, Sempra and National Grid Prices as of Oct 29, 2026 Peers: Industry group
SRE Sempra
$85.88 +9.8% 1M -6.9% 1Y
Market cap
$56.59B
P/E
25.0x
Revenue (TTM)
$13.55B
Div. yield
–
Regulated Electric Utilities Utilities
3 wins
NGG National Grid Plc
$84.20 +12.3% 1M +11.4% 1Y
Market cap
$83.11B
P/E
19.2x
Revenue (TTM)
—
Div. yield
–
Regulated Electric Utilities Utilities
5 wins

Head to Head

11 decided of 12

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

QuestionAQNSRENGGLeader
Larger companyMarket capitalisation $4.18B $56.59B $83.11B NGG
Cheaper on earningsLower P/E, profitable companies only 30.0x 25.0x 19.2x NGG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.0x 16.2x 14.4x NGG
Faster revenue growthRevenue growth, trailing twelve months +5.7% +1.6% — AQN
More profitableNet margin, trailing twelve months 11.5% 16.7% — SRE
Better return on capitalReturn on invested capital 3.4% 1.8% — AQN
Less leveragedLower net debt / EBITDA 7.0x 7.6x — AQN
Higher dividend yieldTrailing dividend yield 0.07% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -3.6% -6.9% +11.4% NGG
Better 5-year returnAnnualised price return, 5 years -17.8%/yr +6.1%/yr +5.6%/yr SRE
Less volatileAnnualised volatility, 1 year 25.7% 20.4% 22.5% SRE
Higher overall scoreMean of the five percentile scores vs peers 55/100 25/100 74/100 NGG

Percentile Scorecard

AQNSRENGG

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

AxisAQNSRENGG
Valuation 74 #18 of 67 9 #61 of 67 55 #31 of 67
Growth 67 #22 of 65 17 #54 of 65 –
Profitability 65 #23 of 63 11 #56 of 63 –
Financial Health 36 #40 of 62 46 #34 of 62 75 #16 of 62
Shareholder Returns 35 #44 of 67 42 #39 of 67 91 #7 of 67
Overall 55 25 74
  • AQN ranked among 67 companies in Regulated Utilities
  • SRE 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

PeriodAQNSRENGGSPY
1 month +7.1%+9.8%+12.3% +0.7%
3 months -9.3%-4.1%+4.8% +3.7%
6 months -13.5%-9.7%-6.0% +7.1%
Year to date -11.7%-2.7%+8.9% +12.8%
1 year -3.6%-6.9%+11.4% +11.9%
3 years +5.4%+23.6%+39.8% +85.2%
3 years, per year +1.8%+7.3%+11.8% +22.8%
5 years -62.4%+34.6%+31.4% +67.6%
5 years, per year -17.8%+6.1%+5.6% +10.9%
10 years -38.4%+63.4%+19.3% +262.0%
10 years, per year -4.7%+5.0%+1.8% +13.7%

Risk

MeasureAQNSRENGGSPY
Volatility, 1Y 25.7%20.4%22.5% 12.7%
Downside volatility, 1Y 28.3%22.1%24.2% 12.6%
Beta vs S&P 500, 1Y 0.230.070.31 1.00
Return / volatility, 1Y -0.14-0.340.51 0.94
Max drawdown, 5Y -73.3%-32.7%-40.9% -25.4%
From 52-week high -22.2%-13.9%-10.4% -1.2%
52-week high $6.98$99.75$93.93 $779.14
52-week low $4.99$76.89$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.

MultipleAQNSRENGG
P/E now vs peer median 30.0xmedian 20.5x 24.8xmedian 20.5x 19.2xmedian 20.5x
P/S now vs peer median 3.5xmedian 2.9x 4.1xmedian 2.9x 3.7xmedian 2.9x
EV/EBITDA now vs peer median 11.5xmedian 13.1x 19.2xmedian 13.1x —median 13.1x
P/FCF now vs peer median 26.2xmedian 40.5x -10.7xmedian 40.5x -30.2xmedian 40.5x
P/B now vs peer median 0.8xmedian 1.7x 1.4xmedian 1.7x 1.7xmedian 1.7x
PEG now vs peer median 0.85median 2.14 -5.64median 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 monthsAQNSRENGG
Revenue $1.21B $13.55B –
Gross profit -$435.80M $11.94B –
Operating income $525.40M $2.43B –
Net income $167.50M $2.73B –
Free cash flow $159.40M -$5.24B –
EPS (diluted) $0.18 $3.45 –
Cash & equivalents $55.00M $48.00M $493.98M
Total debt $6.64B $36.66B $61.59B
Shares (diluted) 772.41M 655.95M 994.20M
Enterprise value $3.98B $55.72B $55.41B

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
MetricAQNSRENGG
P/E 30.0x 24.8x 19.2x
P/FCF 26.2x -10.7x -30.2x
P/Operating cash flow 4.1x 10.4x –
P/S 3.5x 4.1x 3.7x
P/B 0.8x 1.4x 1.7x
P/Tangible book 0.9x 1.4x 1.9x
EV/EBITDA 11.5x 19.2x –
EV/EBIT 20.5x 39.7x –
EV/Revenue 8.9x 6.8x –
EV/FCF 67.5x -17.7x –
EV/Operating cash flow 10.5x 17.1x –
PEG (3Y EPS CAGR) 0.85 -5.64 –

Growth

14 metrics
MetricAQNSRENGG
Revenue growth (1Y) 5.7% 1.6% –
Revenue CAGR (3Y) -5.3% -7.2% –
Gross profit growth (1Y) 5.7% 2.5% –
Gross profit CAGR (3Y) 6.1% 2.1% –
Operating income growth (1Y) 14.0% -2.4% –
Operating income CAGR (3Y) -5.8% 45.4% –
Net income growth (1Y) 112.7% -14.4% –
Net income CAGR (3Y) 52.3% -1.8% –
EPS growth (1Y) 153.3% -15.6% –
EPS CAGR (3Y) 35.1% -4.4% –
Operating cash flow growth (1Y) 6.7% 16.4% –
Operating cash flow CAGR (3Y) 11.6% 29.1% –
Free cash flow growth (1Y) -45.1% -19.9% –
Free cash flow CAGR (3Y) 28.6% -3.3% –

Profitability

14 metrics
MetricAQNSRENGG
Gross margin -36.1% 88.1% –
EBITDA margin 77.8% 35.7% –
Operating margin 43.6% 17.9% –
Pretax margin 16.2% 11.6% –
Net margin 11.5% 16.7% –
FCF margin 13.2% -38.7% –
Operating cash flow margin 85.2% 40.0% –
Return on equity 1.5% 6.9% –
Return on assets – 2.4% –
Return on invested capital 3.4% 1.8% –
Return on capital employed – 2.5% –
Asset turnover – 0.1x –
Cash conversion (OCF / net income) 6.1x 2.0x –
Stock comp / revenue 1.0% – –

Financial Health

11 metrics
MetricAQNSRENGG
Debt / assets 47.7% 31.8% 43.2%
Debt / equity 1.3x 0.9x 1.2x
Net debt / EBITDA 7.0x 7.6x –
Debt / FCF 41.6x -7.0x –
Liabilities / assets 64.3% 65.3% 63.7%
Equity / assets 35.7% 34.7% 36.3%
Interest coverage 1.9x 1.5x –
Current ratio 0.9x 1.6x 0.8x
Quick ratio 0.4x 0.1x 0.7x
Cash ratio 0.1x 0.0x 0.3x
Altman Z-score 0.18 1.00 –

Shareholder Returns

7 metrics
MetricAQNSRENGG
Dividend yield 5.2% 3.1% 3.8%
Net buyback yield -0.2% – –
Shareholder yield 4.9% 3.1% 3.8%
Payout ratio (earnings) 180.2% – –
Payout ratio (FCF) 189.3% – –
Dividend growth (1Y) -30.8% – –
Dividend CAGR (3Y) -17.9% – –

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.

ConsensusAQNSRENGG
Forward P/E 16.0xFY2026 16.2xFY2026 14.4xFY2026
EPS, next fiscal year $0.34FY2026 $5.30FY2026 $5.86FY2026
EPS growth, next FY 0.0%FY2026 +13.0%FY2026 +11.4%FY2026
EPS growth, the year after +17.6% +8.7% +8.9%
Revenue, next fiscal year $2.45BFY2026 $14.05BFY2026 $25.38BFY2026
Revenue growth, next FY +0.9%FY2026 +2.6%FY2026 +6.4%FY2026
Revenue growth, the year after +14.7% -11.1% +8.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAQNSRENGG
Held by institutions 68.7% 92.1% 6.2%
Institutions holding 241 1,288 618
Change in shares held, QoQ +2.1% +2.2% +6.6%
Institutions buying 129 630 353
Institutions selling 67 433 159
Buyers to sellers 1.93 1.45 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.

AQNSRENGG
AQN 1.00 0.38 0.38
SRE 0.38 1.00 0.46
NGG 0.38 0.46 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AQN, SRE and NGG?

National Grid (NGG) is the largest by market capitalisation: Algonquin Power & Utilities (AQN) $4.18B, Sempra (SRE) $56.59B, National Grid (NGG) $83.11B.

Which stock is cheaper, AQN, SRE and NGG?

National Grid (NGG) trades on the lowest price-to-earnings ratio (Algonquin Power & Utilities (AQN) 30.0x, Sempra (SRE) 25.0x, National Grid (NGG) 19.2x). On next year's consensus earnings, National Grid (NGG) is cheapest (Algonquin Power & Utilities (AQN) 16.0x, Sempra (SRE) 16.2x, 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?

Algonquin Power & Utilities (AQN) grew revenue fastest over the trailing twelve months: Algonquin Power & Utilities (AQN) +5.7%, Sempra (SRE) +1.6%.

Which company is more profitable?

Sempra (SRE) has the highest net margin (Algonquin Power & Utilities (AQN) 11.5%, Sempra (SRE) 16.7%). On return on invested capital, Algonquin Power & Utilities (AQN) leads (Algonquin Power & Utilities (AQN) 3.4%, Sempra (SRE) 1.8%).

Which stock has performed better?

Over the past year National Grid (NGG) returned the most: Algonquin Power & Utilities (AQN) -3.6%, Sempra (SRE) -6.9%, National Grid (NGG) +11.4%. Over five years, Sempra (SRE) compounded fastest (Algonquin Power & Utilities (AQN) -17.8%/yr, Sempra (SRE) +6.1%/yr, National Grid (NGG) +5.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Algonquin Power & Utilities (AQN) 0.07%, Sempra (SRE) 0.00%, National Grid (NGG) 0.00%. Sempra (SRE) and National Grid (NGG) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Sempra (SRE) has been the steadiest (Algonquin Power & Utilities (AQN) 25.7%, Sempra (SRE) 20.4%, National Grid (NGG) 22.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AQN, SRE 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.