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American Electric Power (AEP) vs. National Grid (NGG)

This page compares American Electric Power (AEP) with National Grid (NGG) using performance and risk, profitability, financial strength, growth, dividends, and valuation metrics.

Company Profile

American Electric Power (AEP) and National Grid (NGG) both fall under the Utilities industry group, but AEP is classified in Electric Utilities while NGG is classified in Multi-Utilities.

American Electric Power (AEP) trades as a standard ordinary-equity line, while National Grid (NGG) is an ADR tied to a foreign-share or depositary-receipt structure — compare with FX exposure, program fees, and dividend-withholding-tax differences in mind.

SymbolAEPNGG
NameAmerican Electric Power Company, Inc.National Grid plc Sponsored ADR
Country/RegionUnited StatesUnited Kingdom
GICS SectorUtilitiesUtilities
GICS Industry GroupUtilitiesUtilities
GICS IndustryElectric UtilitiesMulti-Utilities
GICS Sub-IndustryElectric UtilitiesMulti-Utilities
Market Capitalization69.51 billion USD80.69 billion USD
CurrencyUSDUSD
ExchangeNasdaqNYSE
Listing DateJanuary 2, 1962August 10, 2005
Security TypeCommon StockADR

Valuation

Price-to-Earnings Ratio (TTM)

Both American Electric Power (AEP) at 18.90 and National Grid (NGG) at 18.34 post Price-to-Earnings Ratio (TTM) near the typical industry midpoint — neither company stands out strongly from peers on trailing earnings multiple.

AEP

Utilities industry group

18.90

Max
30.91
Q3
23.05
Median
19.74
Q1
16.24
Min
6.30

NGG

Utilities industry group

18.34

Max
30.91
Q3
23.05
Median
19.74
Q1
16.24
Min
6.30
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Price-to-Earnings Ratio (TTM) against the Utilities industry group benchmark.

Price-to-Sales Ratio (TTM)

American Electric Power (AEP) at 3.10 is priced about in line with its industry on Price-to-Sales Ratio (TTM), while National Grid (NGG) at 4.56 sits in the pricier quartile — NGG costs more per dollar of sales.

AEP

Utilities industry group

3.10

Max
6.35
Q3
3.56
Median
2.54
Q1
1.63
Min
0.00

NGG

Utilities industry group

4.56

Max
6.35
Q3
3.56
Median
2.54
Q1
1.63
Min
0.00
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Price-to-Sales Ratio (TTM) against the Utilities industry group benchmark.

Price-to-Book Ratio (MRQ)

American Electric Power (AEP) at 2.18 sits near its industry’s typical Price-to-Book Ratio (MRQ), while National Grid (NGG) at 8.11 prices above its benchmark range — NGG looks rich relative to book.

AEP

Utilities industry group

2.18

Max
3.72
Q3
2.42
Median
1.87
Q1
1.40
Min
0.34

NGG

Utilities industry group

8.11

Max
3.72
Q3
2.42
Median
1.87
Q1
1.40
Min
0.34
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Price-to-Book Ratio (MRQ) against the Utilities industry group benchmark.

Valuation at a Glance

SymbolAEPNGG
Price-to-Earnings Ratio (TTM)18.9018.34
Price-to-Sales Ratio (TTM)3.104.56
Price-to-Book Ratio (MRQ)2.188.11
Free Cash Flow Yield-10.00%-3.87%

Profitability

Return on Equity (TTM)

American Electric Power (AEP) at 12.59% ranks in the top quartile for Return on Equity (TTM), ahead of National Grid (NGG) at 8.41%, which sits closer to the industry mid-range.

AEP

Utilities industry group

12.59%

Max
16.11%
Q3
11.15%
Median
9.46%
Q1
7.50%
Min
2.67%

NGG

Utilities industry group

8.41%

Max
16.11%
Q3
11.15%
Median
9.46%
Q1
7.50%
Min
2.67%
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Return on Equity (TTM) 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 American Electric Power (AEP) at 16.29%, which keeps about the industry-typical share.

AEP

Utilities industry group

16.29%

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

NGG

Utilities industry group

18.32%

Max
29.37%
Q3
17.31%
Median
12.55%
Q1
9.24%
Min
-0.65%
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Net Profit Margin (TTM) against the Utilities industry group benchmark.

Operating Profit Margin (TTM)

National Grid (NGG) at 32.60% operates in the top Operating Profit Margin (TTM) quartile, ahead of American Electric Power (AEP) at 23.74%, which runs around its industry’s norm.

AEP

Utilities industry group

23.74%

Max
43.52%
Q3
30.09%
Median
23.50%
Q1
16.61%
Min
0.00%

NGG

Utilities industry group

32.60%

Max
43.52%
Q3
30.09%
Median
23.50%
Q1
16.61%
Min
0.00%
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Operating Profit Margin (TTM) against the Utilities industry group benchmark.

Profitability at a Glance

SymbolAEPNGG
Return on Equity (TTM)12.59%8.41%
Return on Assets (TTM)3.17%3.01%
Net Profit Margin (TTM)16.29%18.32%
Operating Profit Margin (TTM)23.74%32.60%
Gross Profit Margin (TTM)47.24%100.00%

Growth

Revenue Growth

American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Revenue Growth across different time periods.

Revenue Growth at a Glance

SymbolAEPNGG
1-Year Revenue Growth10.93%-3.76%
3-Year Revenue CAGR3.66%-6.53%

EPS Growth

American Electric Power (AEP) vs. National Grid (NGG): A comparison of their EPS Growth across different time periods.

EPS Growth at a Glance

SymbolAEPNGG
1-Year EPS Growth19.35%--
3-Year EPS CAGR14.04%-30.59%

Financial Strength

Current Ratio (MRQ)

National Grid (NGG) at 0.76 keeps Current Ratio (MRQ) within its industry mid-range, while American Electric Power (AEP) at 0.53 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for AEP.

AEP

Utilities industry group

0.53

Max
1.88
Q3
1.16
Median
0.90
Q1
0.65
Min
0.33

NGG

Utilities industry group

0.76

Max
1.88
Q3
1.16
Median
0.90
Q1
0.65
Min
0.33
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Current Ratio (MRQ) against the Utilities industry group benchmark.

Debt-to-Equity Ratio (MRQ)

Both American Electric Power (AEP) at 1.57 and National Grid (NGG) at 1.21 post Debt-to-Equity Ratio (MRQ) near their industry mid-ranges, so neither company stands out strongly from peers on leverage.

AEP

Utilities industry group

1.57

Max
3.02
Q3
1.81
Median
1.34
Q1
0.85
Min
0.00

NGG

Utilities industry group

1.21

Max
3.02
Q3
1.81
Median
1.34
Q1
0.85
Min
0.00
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Debt-to-Equity Ratio (MRQ) against the Utilities industry group benchmark.

Financial Strength at a Glance

SymbolAEPNGG
Current Ratio (MRQ)0.530.76
Debt-to-Equity Ratio (MRQ)1.571.21
Net Debt / EBITDA5.616.39

Dividends

Dividend Yield (TTM)

Both American Electric Power (AEP) at 2.97% and National Grid (NGG) at 4.00% report Dividend Yield (TTM) near their industry mid-ranges, so neither company stands out strongly from peers on cash yield relative to share price.

AEP

Utilities industry group

2.97%

Max
6.20%
Q3
4.04%
Median
3.14%
Q1
2.36%
Min
0.00%

NGG

Utilities industry group

4.00%

Max
6.20%
Q3
4.04%
Median
3.14%
Q1
2.36%
Min
0.00%
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Dividend Yield (TTM) against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

Both American Electric Power (AEP) at 55.62% and National Grid (NGG) at 71.18% maintain Dividend Payout Ratio (TTM) around their industries’ median — balanced dividend policy on both sides, returning cash while leaving part of reported earnings available for reinvestment or balance-sheet flexibility.

AEP

Utilities industry group

55.62%

Max
116.67%
Q3
73.40%
Median
58.69%
Q1
36.87%
Min
0.00%

NGG

Utilities industry group

71.18%

Max
116.67%
Q3
73.40%
Median
58.69%
Q1
36.87%
Min
0.00%
American Electric Power (AEP) vs. National Grid (NGG): A comparison of their Dividend Payout Ratio (TTM) against the Utilities industry group benchmark.

Dividends at a Glance

SymbolAEPNGG
Dividend Yield (TTM)2.97%4.00%
Dividend Payout Ratio (TTM)55.62%71.18%

Performance & Risk

AEP
NGG
Loading price history…
American Electric Power (AEP) vs. National Grid (NGG): Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Performance & Risk at a Glance

SymbolAEPNGG
1-Year Return28.48%18.04%
1-Year Volatility18.36%21.64%
Beta0.530.78
3-Month Avg. Volume3.81M1.31M