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.
| Symbol | AEP | NGG |
|---|---|---|
| Name | American Electric Power Company, Inc. | National Grid plc Sponsored ADR |
| Country/Region | United States | United Kingdom |
| GICS Sector | Utilities | Utilities |
| GICS Industry Group | Utilities | Utilities |
| GICS Industry | Electric Utilities | Multi-Utilities |
| GICS Sub-Industry | Electric Utilities | Multi-Utilities |
| Market Capitalization | 69.51 billion USD | 80.69 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | NYSE |
| Listing Date | January 2, 1962 | August 10, 2005 |
| Security Type | Common Stock | ADR |
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
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
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
Valuation at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| Price-to-Earnings Ratio (TTM) | 18.90 | 18.34 |
| Price-to-Sales Ratio (TTM) | 3.10 | 4.56 |
| Price-to-Book Ratio (MRQ) | 2.18 | 8.11 |
| 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%
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%
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%
Profitability at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| 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
Revenue Growth at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| 1-Year Revenue Growth | 10.93% | -3.76% |
| 3-Year Revenue CAGR | 3.66% | -6.53% |
EPS Growth
EPS Growth at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| 1-Year EPS Growth | 19.35% | -- |
| 3-Year EPS CAGR | 14.04% | -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
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
Financial Strength at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| Current Ratio (MRQ) | 0.53 | 0.76 |
| Debt-to-Equity Ratio (MRQ) | 1.57 | 1.21 |
| Net Debt / EBITDA | 5.61 | 6.39 |
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%
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%
Dividends at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| Dividend Yield (TTM) | 2.97% | 4.00% |
| Dividend Payout Ratio (TTM) | 55.62% | 71.18% |
Performance & Risk
Performance & Risk at a Glance
| Symbol | AEP | NGG |
|---|---|---|
| 1-Year Return | 28.48% | 18.04% |
| 1-Year Volatility | 18.36% | 21.64% |
| Beta | 0.53 | 0.78 |
| 3-Month Avg. Volume | 3.81M | 1.31M |