AES vs NGG Stock Comparison

Aes and National Grid Prices as of Oct 26, 2026 Peers: Industry group
AES Aes Corp
$15.02 +0.9% 1M +3.2% 1Y
Market cap
$10.72B
P/E
5.7x
Revenue (TTM)
$13.05B
Div. yield
0.05%
Regulated Electric Utilities Utilities
2 wins
NGG National Grid Plc
$81.77 +8.4% 1M +6.3% 1Y
Market cap
$80.91B
P/E
18.6x
Revenue (TTM)
—
Div. yield
–
Regulated Electric Utilities Utilities
5 wins

Head to Head

7 decided of 12

National Grid leads on 5 of the 12 questions below (National Grid 5, Aes 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAESNGGLeader
Larger companyMarket capitalisation $10.72B $80.91B NGG
Cheaper on earningsLower P/E, profitable companies only 5.7x 18.6x AES
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.8x 14.0x AES
Faster revenue growthRevenue growth, trailing twelve months +8.5% — –
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 0.05% 0.00% –
Better 1-year returnPrice return, last 12 months +3.2% +6.3% NGG
Better 5-year returnAnnualised price return, 5 years -10.2%/yr +5.0%/yr NGG
Less volatileAnnualised volatility, 1 year 27.4% 22.5% NGG
Higher overall scoreMean of the five percentile scores vs peers 63/100 73/100 NGG

Percentile Scorecard

AESNGG

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

AxisAESNGG
Valuation 89 #8 of 67 55 #31 of 67
Growth 98 #2 of 65 –
Profitability 49 #33 of 64 –
Financial Health 2 #63 of 64 76 #16 of 64
Shareholder Returns 74 #18 of 67 89 #8 of 67
Overall 63 73
  • AES 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

PeriodAESNGGSPY
1 month +0.9%+8.4% -0.8%
3 months +1.3%+0.7% +3.5%
6 months +3.7%-6.3% +7.0%
Year to date +4.7%+5.7% +12.2%
1 year +3.2%+6.3% +13.0%
3 years +1.8%+36.6% +86.3%
3 years, per year +0.6%+11.0% +23.1%
5 years -41.5%+27.6% +68.6%
5 years, per year -10.2%+5.0% +11.0%
10 years +25.2%+15.9% +258.0%
10 years, per year +2.3%+1.5% +13.6%

Risk

MeasureAESNGGSPY
Volatility, 1Y 27.4%22.5% 12.7%
Downside volatility, 1Y 33.9%24.2% 12.7%
Beta vs S&P 500, 1Y 0.320.31 1.00
Return / volatility, 1Y 0.120.28 1.02
Max drawdown, 5Y -67.1%-40.9% -25.4%
From 52-week high -13.1%-12.9% -1.8%
52-week high $17.28$93.93 $779.14
52-week low $13.44$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.

MultipleAESNGG
P/E now vs peer median 5.7xmedian 20.8x 18.6xmedian 20.8x
P/S now vs peer median 0.8xmedian 2.9x 3.6xmedian 2.9x
EV/EBITDA now vs peer median 10.1xmedian 13.1x —median 13.1x
P/FCF now vs peer median -11.4xmedian 36.7x -29.4xmedian 36.7x
P/B now vs peer median 1.1xmedian 1.7x 1.6xmedian 1.7x
PEG now vs peer median 0.06median 2.23 —median 2.23

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 monthsAESNGG
Revenue $13.05B –
Gross profit $2.65B –
Operating income $2.42B –
Net income $1.87B –
Free cash flow -$937.00M –
EPS (diluted) $2.62 –
Cash & equivalents $1.80B $493.98M
Total debt $32.12B $61.59B
Shares (diluted) 715.00M 994.20M
Enterprise value $3.90B $53.20B

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

Growth

14 metrics
MetricAESNGG
Revenue growth (1Y) 8.5% –
Revenue CAGR (3Y) 0.3% –
Gross profit growth (1Y) 30.1% –
Gross profit CAGR (3Y) 1.3% –
Operating income growth (1Y) 37.1% –
Operating income CAGR (3Y) 1.5% –
Net income growth (1Y) 115.9% –
Net income CAGR (3Y) 100.8% –
EPS growth (1Y) 104.4% –
EPS CAGR (3Y) 88.8% –
Operating cash flow growth (1Y) 40.0% –
Operating cash flow CAGR (3Y) 18.3% –
Free cash flow growth (1Y) 75.5% –
Free cash flow CAGR (3Y) 33.9% –

Profitability

14 metrics
MetricAESNGG
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% –
Return on equity 10.9% –
Return on assets 2.0% –
Return on invested capital 5.9% –
Return on capital employed 5.4% –
Asset turnover 0.2x –
Cash conversion (OCF / net income) 2.7x –
Stock comp / revenue – –

Financial Health

11 metrics
MetricAESNGG
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%
Interest coverage 1.7x –
Current ratio 0.7x 0.8x
Quick ratio 0.4x 0.7x
Cash ratio 0.2x 0.3x
Altman Z-score 0.52 –

Shareholder Returns

7 metrics
MetricAESNGG
Dividend yield 4.7% 4.0%
Net buyback yield – –
Shareholder yield 4.7% 4.0%
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.

ConsensusAESNGG
Forward P/E 6.8xFY2026 14.0xFY2026
EPS, next fiscal year $2.21FY2026 $5.86FY2026
EPS growth, next FY -5.6%FY2026 +11.4%FY2026
EPS growth, the year after +17.6% +8.9%
Revenue, next fiscal year $12.56BFY2026 $25.38BFY2026
Revenue growth, next FY +2.7%FY2026 +6.4%FY2026
Revenue growth, the year after +10.0% +8.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAESNGG
Held by institutions 89.6% 6.2%
Institutions holding 698 617
Change in shares held, QoQ +2.0% +6.6%
Institutions buying 348 352
Institutions selling 241 159
Buyers to sellers 1.44 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.

AESNGG
AES 1.00 0.07
NGG 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AES and NGG?

National Grid (NGG) is the largest by market capitalisation: Aes (AES) $10.72B, National Grid (NGG) $80.91B.

Which stock is cheaper, AES and NGG?

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

Which stock has performed better?

Over the past year National Grid (NGG) returned the most: Aes (AES) +3.2%, National Grid (NGG) +6.3%. Over five years, National Grid (NGG) compounded fastest (Aes (AES) -10.2%/yr, National Grid (NGG) +5.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Aes (AES) 0.05%, National Grid (NGG) 0.00%. National Grid (NGG) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, National Grid (NGG) has been the steadiest (Aes (AES) 27.4%, National Grid (NGG) 22.5%). Volatility measures how widely the price swings, not the risk of the business.

Do AES and NGG move together?

Their daily returns over the past year have a correlation of 0.07, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, AES 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.