NGG vs. SRE: National Grid vs. Sempra Stock Comparison

June 13, 2026

This page compares National Grid (NGG) with Sempra (SRE) using performance and risk, profitability, financial strength, growth, dividends, and valuation metrics.

Performance

Cumulative Growth

NGG

SRE

National Grid (NGG) vs. Sempra (SRE): Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for National Grid (NGG) and Sempra (SRE). Returns over one year are annualized.

Performance at a Glance

Performance metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
1-Year Return	16.99%	24.76%

Risk

Drawdown

NGG

SRE

National Grid (NGG) vs. Sempra (SRE): Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Risk at a Glance

Risk metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
1-Year Volatility	21.61%	19.84%
Beta	0.77	0.56
3-Month Avg. Volume	1.27M	3.48M

Company Profile

National Grid (NGG) and Sempra (SRE) are both classified in the Multi-Utilities sub-industry within the broader Multi-Utilities industry, placing them in the closest GICS peer bucket.

Sempra (SRE) trades as ordinary local shares, while National Grid (NGG) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for National Grid (NGG) and Sempra (SRE)
Profile Item	NGG	SRE
Name	National Grid plc Sponsored ADR	Sempra
Country/Region	United Kingdom	United States
GICS Sector	Utilities	Utilities
GICS Industry Group	Utilities	Utilities
GICS Industry	Multi-Utilities	Multi-Utilities
GICS Sub-Industry	Multi-Utilities	Multi-Utilities
Market Capitalization	81.44 billion USD	60.33 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	August 10, 2005	June 29, 1998
Security Type	ADR	Common Stock

Valuation

Price-to-Earnings Ratio (TTM)

National Grid (NGG) at 18.68 is near its industry’s usual P/E ratio, while Sempra (SRE) at 31.39 sits in the richer quartile — SRE needs stronger growth or earnings quality to justify the premium.

NGG

Utilities industry group

18.68

Max: 31.39
Q3: 22.99
Median: 19.91
NGG: 18.68
Q1: 16.35
Min: 7.60

SRE

Utilities industry group

31.39

SRE: 31.39
Max: 31.39
Q3: 22.99
Median: 19.91
Q1: 16.35
Min: 7.60

National Grid (NGG) vs. Sempra (SRE): A comparison of their P/E ratio against the Utilities industry group benchmark.

Price-to-Sales Ratio (TTM)

Both National Grid (NGG) at 4.60 and Sempra (SRE) at 4.45 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.

NGG

Utilities industry group

4.60

Max: 6.44
NGG: 4.60
Q3: 3.60
Median: 2.62
Q1: 1.64
Min: 0.00

SRE

Utilities industry group

4.45

Max: 6.44
SRE: 4.45
Q3: 3.60
Median: 2.62
Q1: 1.64
Min: 0.00

National Grid (NGG) vs. Sempra (SRE): A comparison of their P/S ratio against the Utilities industry group benchmark.

Price-to-Book Ratio (MRQ)

Sempra (SRE) at 1.91 sits near its industry’s typical P/B ratio, while National Grid (NGG) at 8.19 prices above its benchmark range — NGG looks rich relative to book.

NGG

Utilities industry group

8.19

NGG: 8.19
Max: 3.79
Q3: 2.41
Median: 1.90
Q1: 1.42
Min: 0.34

SRE

Utilities industry group

1.91

Max: 3.79
Q3: 2.41
SRE: 1.91
Median: 1.90
Q1: 1.42
Min: 0.34

National Grid (NGG) vs. Sempra (SRE): A comparison of their P/B ratio against the Utilities industry group benchmark.

Valuation at a Glance

Valuation metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
Price-to-Earnings Ratio (TTM)	18.68	31.39
Price-to-Sales Ratio (TTM)	4.60	4.45
Price-to-Book Ratio (MRQ)	8.19	1.91
Free Cash Flow Yield	-3.84%	-46.81%

Profitability

Return on Equity (TTM)

National Grid (NGG) at 8.41% is around its peer norm for ROE, while Sempra (SRE) at 5.69% drops into the bottom quartile, signaling weaker returns on shareholders’ equity.

NGG

Utilities industry group

8.41%

Max: 16.11%
Q3: 11.15%
Median: 9.46%
NGG: 8.41%
Q1: 7.50%
Min: 2.67%

SRE

Utilities industry group

5.69%

Max: 16.11%
Q3: 11.15%
Median: 9.46%
Q1: 7.50%
SRE: 5.69%
Min: 2.67%

National Grid (NGG) vs. Sempra (SRE): A comparison of their ROE against the Utilities industry group benchmark.

Net Profit Margin (TTM)

National Grid (NGG) at 18.32% retains a top-quartile share of revenue as profit, ahead of Sempra (SRE) at 14.43%, which keeps about the industry-typical share.

NGG

Utilities industry group

18.32%

Max: 29.37%
NGG: 18.32%
Q3: 17.31%
Median: 12.55%
Q1: 9.24%
Min: -0.65%

SRE

Utilities industry group

14.43%

Max: 29.37%
Q3: 17.31%
SRE: 14.43%
Median: 12.55%
Q1: 9.24%
Min: -0.65%

National Grid (NGG) vs. Sempra (SRE): A comparison of their net margin against the Utilities industry group benchmark.

Operating Profit Margin (TTM)

Both National Grid (NGG) at 32.60% and Sempra (SRE) at 30.62% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.

NGG

Utilities industry group

32.60%

Max: 43.52%
NGG: 32.60%
Q3: 30.09%
Median: 23.50%
Q1: 16.61%
Min: 0.00%

SRE

Utilities industry group

30.62%

Max: 43.52%
SRE: 30.62%
Q3: 30.09%
Median: 23.50%
Q1: 16.61%
Min: 0.00%

National Grid (NGG) vs. Sempra (SRE): A comparison of their operating margin against the Utilities industry group benchmark.

Profitability at a Glance

Profitability metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
Return on Equity (TTM)	8.41%	5.69%
Return on Assets (TTM)	3.01%	1.81%
Net Profit Margin (TTM)	18.32%	14.43%
Operating Profit Margin (TTM)	32.60%	30.62%
Gross Profit Margin (TTM)	100.00%	42.46%

Growth

Revenue Growth

National Grid (NGG) vs. Sempra (SRE): A comparison of their Revenue Growth across different time periods.

Revenue Growth at a Glance

Revenue growth metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
1-Year Revenue Growth	-3.76%	3.92%
3-Year Revenue CAGR	-6.53%	-1.73%

EPS Growth

National Grid (NGG) vs. Sempra (SRE): A comparison of their EPS Growth across different time periods.

EPS Growth at a Glance

EPS growth metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
1-Year EPS Growth	--	-37.78%
3-Year EPS CAGR	-30.59%	-5.99%

Financial Strength

Current Ratio (MRQ)

National Grid (NGG) at 0.76 keeps current ratio within its industry’s typical mid-range, while Sempra (SRE) at 1.69 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.

NGG

Utilities industry group

0.76

Max: 1.88
Q3: 1.16
Median: 0.90
NGG: 0.76
Q1: 0.65
Min: 0.33

SRE

Utilities industry group

1.69

Max: 1.88
SRE: 1.69
Q3: 1.16
Median: 0.90
Q1: 0.65
Min: 0.33

National Grid (NGG) vs. Sempra (SRE): A comparison of their current ratio against the Utilities industry group benchmark.

Debt-to-Equity Ratio (MRQ)

Sempra (SRE) at 0.85 keeps leverage in the lower industry quartile, while National Grid (NGG) at 1.21 runs a more typical debt-to-equity mix.

NGG

Utilities industry group

1.21

Max: 3.02
Q3: 1.81
Median: 1.34
NGG: 1.21
Q1: 0.85
Min: 0.00

SRE

Utilities industry group

0.85

Max: 3.02
Q3: 1.81
Median: 1.34
Q1: 0.85
SRE: 0.85
Min: 0.00

National Grid (NGG) vs. Sempra (SRE): A comparison of their debt-to-equity ratio against the Utilities industry group benchmark.

Financial Strength at a Glance

Financial strength metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
Current Ratio (MRQ)	0.76	1.69
Debt-to-Equity Ratio (MRQ)	1.21	0.85
Net Debt / EBITDA	6.39	6.34

Dividends

Dividend Yield (TTM)

National Grid (NGG) at 3.96% delivers top-quartile income for its industry, while Sempra (SRE) at 2.85% pays a more typical yield — both are credible income propositions, NGG the richer one.

NGG

Utilities industry group

3.96%

Max: 6.25%
NGG: 3.96%
Q3: 3.95%
Median: 3.10%
Q1: 2.33%
Min: 0.00%

SRE

Utilities industry group

2.85%

Max: 6.25%
Q3: 3.95%
Median: 3.10%
SRE: 2.85%
Q1: 2.33%
Min: 0.00%

National Grid (NGG) vs. Sempra (SRE): A comparison of their dividend yield against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

National Grid (NGG) at 71.18% pays out a band-typical share of earnings, while Sempra (SRE) at 88.18% distributes more than its industry norm — less retained, thinner cover.

NGG

Utilities industry group

71.18%

Max: 116.67%
Q3: 73.40%
NGG: 71.18%
Median: 58.69%
Q1: 36.87%
Min: 0.00%

SRE

Utilities industry group

88.18%

Max: 116.67%
SRE: 88.18%
Q3: 73.40%
Median: 58.69%
Q1: 36.87%
Min: 0.00%

National Grid (NGG) vs. Sempra (SRE): A comparison of their payout ratio against the Utilities industry group benchmark.

Dividends at a Glance

Dividend metrics for National Grid (NGG) and Sempra (SRE)
Metric	NGG	SRE
Dividend Yield (TTM)	3.96%	2.85%
Dividend Payout Ratio (TTM)	71.18%	88.18%