AES vs NGG vs DUK Stock Comparison

Aes, National Grid and Duke Energy Prices as of Oct 27, 2026 Peers: Industry group
AES Aes Corp
$15.03 +1.0% 1M +3.7% 1Y
Market cap
$10.72B
P/E
5.7x
Revenue (TTM)
$13.05B
Div. yield
4.74%
Regulated Electric Utilities Utilities
4 wins
NGG National Grid Plc
$81.76 +8.4% 1M +5.9% 1Y
Market cap
$85.01B
P/E
18.6x
Revenue (TTM)
—
Div. yield
3.96%
Regulated Electric Utilities Utilities
3 wins
DUK Duke Energy CORP
$124.79 +10.1% 1M -2.1% 1Y
Market cap
$97.09B
P/E
18.7x
Revenue (TTM)
$33.25B
Div. yield
3.42%
Regulated Electric Utilities Utilities
2 wins

Head to Head

9 decided of 12

Aes leads on 4 of the 12 questions below (Aes 4, National Grid 3, Duke Energy 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAESNGGDUKLeader
Larger companyMarket capitalisation $10.72B $85.01B $97.09B DUK
Cheaper on earningsLower P/E, profitable companies only 5.7x 18.6x 18.7x AES
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.8x 14.0x 19.0x AES
Faster revenue growthRevenue growth, trailing twelve months +8.5% — +6.3% AES
More profitableNet margin, trailing twelve months 14.3% — — –
Better return on capitalReturn on invested capital 5.9% — — –
Less leveragedLower net debt / EBITDA 7.5x — — –
Higher dividend yieldTrailing dividend yield 4.74% 3.96% 3.42% AES
Better 1-year returnPrice return, last 12 months +3.7% +5.9% -2.1% NGG
Better 5-year returnAnnualised price return, 5 years -10.1%/yr +4.7%/yr +4.0%/yr NGG
Less volatileAnnualised volatility, 1 year 27.4% 22.4% 16.6% DUK
Higher overall scoreMean of the five percentile scores vs peers 63/100 74/100 73/100 NGG

Percentile Scorecard

AESNGGDUK

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

AxisAESNGGDUK
Valuation 91 #7 of 67 56 #30 of 67 83 #12 of 67
Growth 97 #3 of 65 – 83 #12 of 65
Profitability 52 #31 of 63 – 55 #29 of 63
Financial Health 3 #61 of 63 76 #16 of 63 –
Shareholder Returns 74 #18 of 67 91 #7 of 67 73 #19 of 67
Overall 63 74 73
  • AES ranked among 67 companies in Regulated Utilities
  • NGG ranked among 67 companies in Regulated Utilities
  • DUK ranked among 67 companies in Regulated Utilities

Price Performance

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

Returns

PeriodAESNGGDUKSPY
1 month +1.0%+8.4%+10.1% -0.2%
3 months +1.3%+1.1%-3.5% +3.9%
6 months +3.8%-6.5%-2.4% +8.2%
Year to date +4.8%+5.7%+6.5% +12.9%
1 year +3.7%+5.9%-2.1% +12.3%
3 years +1.9%+36.5%+42.6% +87.4%
3 years, per year +0.6%+10.9%+12.6% +23.3%
5 years -41.2%+25.5%+21.8% +67.9%
5 years, per year -10.1%+4.7%+4.0% +10.9%
10 years +27.2%+15.5%+59.1% +261.1%
10 years, per year +2.4%+1.4%+4.8% +13.7%

Risk

MeasureAESNGGDUKSPY
Volatility, 1Y 27.4%22.4%16.6% 12.7%
Downside volatility, 1Y 33.9%24.1%16.9% 12.7%
Beta vs S&P 500, 1Y 0.320.31-0.32 1.00
Return / volatility, 1Y 0.140.27-0.13 0.97
Max drawdown, 5Y -67.1%-40.9%-26.0% -25.4%
From 52-week high -13.0%-13.0%-6.5% -1.2%
52-week high $17.28$93.93$133.46 $779.14
52-week low $13.44$73.54$113.24 $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.

MultipleAESNGGDUK
P/E now vs peer median 5.7xmedian 20.9x 18.6xmedian 20.9x 18.7xmedian 20.9x
P/S now vs peer median 0.8xmedian 2.9x 3.6xmedian 2.9x 2.9xmedian 2.9x
EV/EBITDA now vs peer median 10.1xmedian 13.2x —median 13.2x —median 13.2x
P/FCF now vs peer median -11.4xmedian 36.9x -29.4xmedian 36.9x —median 36.9x
P/B now vs peer median 1.1xmedian 1.7x 1.6xmedian 1.7x 1.7xmedian 1.7x
PEG now vs peer median 0.06median 2.31 —median 2.31 0.31median 2.31

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 monthsAESNGGDUK
Revenue $13.05B – $33.25B
Gross profit $2.65B – –
Operating income $2.42B – $9.23B
Net income $1.87B – $5.38B
Free cash flow -$937.00M – –
EPS (diluted) $2.62 – $6.66
Cash & equivalents $1.80B $493.98M $673.00M
Total debt $32.12B $61.59B –
Shares (diluted) 715.00M 994.20M 779.00M
Enterprise value $8.73B $57.35B $99.20B

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
MetricAESNGGDUK
P/E 5.7x 18.6x 18.7x
P/FCF -11.4x -29.4x –
P/Operating cash flow 2.1x – 8.4x
P/S 0.8x 3.6x 2.9x
P/B 1.1x 1.6x 1.7x
P/Tangible book 1.4x 1.8x 1.7x
EV/EBITDA 10.1x – –
EV/EBIT 17.0x – –
EV/Revenue 3.1x – 2.9x
EV/FCF -43.7x – –
EV/Operating cash flow 8.1x – 8.4x
PEG (3Y EPS CAGR) 0.06 – 0.31

Growth

14 metrics
MetricAESNGGDUK
Revenue growth (1Y) 8.5% – 6.3%
Revenue CAGR (3Y) 0.3% – 4.6%
Gross profit growth (1Y) 30.1% – –
Gross profit CAGR (3Y) 1.3% – –
Operating income growth (1Y) 37.1% – 9.5%
Operating income CAGR (3Y) 1.5% – 13.2%
Net income growth (1Y) 115.9% – 8.7%
Net income CAGR (3Y) 100.8% – 59.0%
EPS growth (1Y) 104.4% – 8.9%
EPS CAGR (3Y) 88.8% – 59.6%
Operating cash flow growth (1Y) 40.0% – -3.2%
Operating cash flow CAGR (3Y) 18.3% – 26.8%
Free cash flow growth (1Y) 75.5% – –
Free cash flow CAGR (3Y) 33.9% – –

Profitability

14 metrics
MetricAESNGGDUK
Gross margin 20.3% – –
EBITDA margin 31.0% – –
Operating margin 18.5% – –
Pretax margin 5.7% – –
Net margin 14.3% – –
FCF margin -7.2% – –
Operating cash flow margin 38.5% – 34.8%
Return on equity 10.9% – 9.5%
Return on assets 2.0% – 2.7%
Return on invested capital 5.9% – –
Return on capital employed 5.4% – –
Asset turnover 0.2x – 0.2x
Cash conversion (OCF / net income) 2.7x – 2.1x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricAESNGGDUK
Debt / assets 59.2% 43.2% –
Debt / equity 3.3x 1.2x –
Net debt / EBITDA 7.5x – –
Debt / FCF -34.3x – –
Liabilities / assets 82.0% 63.7% –
Equity / assets 18.0% 36.3% 28.3%
Interest coverage 1.7x – –
Current ratio 0.7x 0.8x 0.7x
Quick ratio 0.4x 0.7x –
Cash ratio 0.2x 0.3x –
Altman Z-score 0.52 – –

Shareholder Returns

7 metrics
MetricAESNGGDUK
Dividend yield 4.7% 4.0% 3.4%
Net buyback yield – – –
Shareholder yield 4.7% 4.0% 3.4%
Payout ratio (earnings) 26.8% – –
Payout ratio (FCF) -53.6% – –
Dividend growth (1Y) 1.4% – –
Dividend CAGR (3Y) 5.1% – –

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.

ConsensusAESNGGDUK
Forward P/E 6.8xFY2026 14.0xFY2026 19.0xFY2026
EPS, next fiscal year $2.21FY2026 $5.86FY2026 $6.56FY2026
EPS growth, next FY -5.6%FY2026 +11.4%FY2026 +4.0%FY2026
EPS growth, the year after +17.6% +8.9% +15.4%
Revenue, next fiscal year $12.56BFY2026 $25.38BFY2026 $32.42BFY2026
Revenue growth, next FY +2.7%FY2026 +6.4%FY2026 +0.6%FY2026
Revenue growth, the year after +10.0% +8.6% +4.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAESNGGDUK
Held by institutions 89.6% 6.2% 69.7%
Institutions holding 698 617 2,458
Change in shares held, QoQ +2.0% +6.6% +0.5%
Institutions buying 348 352 1,297
Institutions selling 241 159 801
Buyers to sellers 1.44 2.21 1.62

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.

AESNGGDUK
AES 1.00 0.07 0.05
NGG 0.07 1.00 0.55
DUK 0.05 0.55 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AES, NGG and DUK?

Duke Energy (DUK) is the largest by market capitalisation: Aes (AES) $10.72B, National Grid (NGG) $85.01B, Duke Energy (DUK) $97.09B.

Which stock is cheaper, AES, NGG and DUK?

Aes (AES) trades on the lowest price-to-earnings ratio (Aes (AES) 5.7x, National Grid (NGG) 18.6x, Duke Energy (DUK) 18.7x). On next year's consensus earnings, Aes (AES) is cheapest (Aes (AES) 6.8x, National Grid (NGG) 14.0x, Duke Energy (DUK) 19.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Aes (AES) grew revenue fastest over the trailing twelve months: Aes (AES) +8.5%, Duke Energy (DUK) +6.3%.

Which stock has performed better?

Over the past year National Grid (NGG) returned the most: Aes (AES) +3.7%, National Grid (NGG) +5.9%, Duke Energy (DUK) -2.1%. Over five years, National Grid (NGG) compounded fastest (Aes (AES) -10.1%/yr, National Grid (NGG) +4.7%/yr, Duke Energy (DUK) +4.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Aes (AES) has the highest dividend yield: Aes (AES) 4.74%, National Grid (NGG) 3.96%, Duke Energy (DUK) 3.42%.

Which stock is riskier?

By one-year price volatility, Duke Energy (DUK) has been the steadiest (Aes (AES) 27.4%, National Grid (NGG) 22.4%, Duke Energy (DUK) 16.6%). Volatility measures how widely the price swings, not the risk of the business.

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

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