AEE vs. AES: Ameren vs. AES Stock Comparison

November 11, 2026

How do Ameren (AEE) and AES (AES) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Ameren (AEE) and AES (AES) both fall under the Utilities industry group, but AEE is classified in Multi-Utilities while AES is classified in Independent Power and Renewable Electricity Producers.

Company profile comparison for Ameren (AEE) and AES (AES)
Profile Item	AEE	AES
Name	Ameren Corporation	The AES Corporation
Country/Region	United States	United States
GICS Sector	Utilities	Utilities
GICS Industry Group	Utilities	Utilities
GICS Industry	Multi-Utilities	Independent Power and Renewable Electricity Producers
GICS Sub-Industry	Multi-Utilities	Independent Power Producers & Energy Traders
Market Capitalization	31.24 billion USD	10.61 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	January 2, 1998	June 26, 1991
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

AEE

AES

GSPC

Ameren (AEE) vs. AES (AES), with S&P 500 (GSPC) for reference: 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 Ameren (AEE) and AES (AES). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Ameren (AEE) and AES (AES). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Total Return (1Y)	11.92%	10.79%
Total Return (3Y, Annualized)	17.94%	3.44%
Total Return (5Y, Annualized)	9.71%	-5.12%

Risk Profile

Drawdown History

AEE

AES

GSPC

Ameren (AEE) vs. AES (AES), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Ameren (AEE) and AES (AES). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Volatility (1Y, Annualized)	17.76%	25.19%
Beta (5Y)	0.40	0.93
Max Drawdown (5Y)	-27.46%	-63.43%
Avg. Volume (3M)	1.74M	8.50M

Risk-Adjusted Performance

Risk-Return Positioning

AEE and AES are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Sharpe Ratio (1Y)	0.43	0.26
Sortino Ratio (1Y)	0.62	0.33

Profitability

ROE (TTM)

Both Ameren (AEE) at 11.78% and AES (AES) at 8.68% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

AEE

Utilities industry group

11.78%

Max: 17.99%
Q3: 12.01%
AEE: 11.78%
Median: 9.44%
Q1: 7.56%
Min: 2.17%

AES

Utilities industry group

8.68%

Max: 17.99%
Q3: 12.01%
Median: 9.44%
AES: 8.68%
Q1: 7.56%
Min: 2.17%

Ameren (AEE) vs. AES (AES): A comparison of their ROE against the Utilities industry group benchmark.

Net Margin (TTM)

Ameren (AEE) at 18.59% retains a top-quartile share of revenue as profit, ahead of AES (AES) at 13.16%, which keeps about the industry-typical share.

AEE

Utilities industry group

18.59%

Max: 28.78%
AEE: 18.59%
Q3: 17.30%
Median: 12.73%
Q1: 9.18%
Min: -0.20%

AES

Utilities industry group

13.16%

Max: 28.78%
Q3: 17.30%
AES: 13.16%
Median: 12.73%
Q1: 9.18%
Min: -0.20%

Ameren (AEE) vs. AES (AES): A comparison of their net margin against the Utilities industry group benchmark.

Operating Margin (TTM)

Ameren (AEE) at 31.23% operates in the top operating margin quartile, ahead of AES (AES) at 23.89%, which runs around its industry’s norm.

AEE

Utilities industry group

31.23%

Max: 53.83%
AEE: 31.23%
Q3: 31.12%
Median: 23.62%
Q1: 15.45%
Min: -4.90%

AES

Utilities industry group

23.89%

Max: 53.83%
Q3: 31.12%
AES: 23.89%
Median: 23.62%
Q1: 15.45%
Min: -4.90%

Ameren (AEE) vs. AES (AES): A comparison of their operating margin against the Utilities industry group benchmark.

Profitability Metrics

Profitability metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
ROE (TTM)	11.78%	8.68%
ROA (TTM)	3.12%	3.13%
Net Margin (TTM)	18.59%	13.16%
Operating Margin (TTM)	31.23%	23.89%
Gross Margin (TTM)	52.47%	21.34%

Growth

Revenue Growth

Ameren (AEE) at 15.43% sits in the top revenue growth quartile, while AES (AES) at -0.37% is in the bottom quartile, showing a clear gap in revenue momentum.

Ameren (AEE) vs. AES (AES): A comparison of their Revenue Growth across different time periods.

EPS Growth

Ameren (AEE) at 21.04% sits in the top EPS growth quartile, while AES (AES) at -46.61% is in the bottom quartile, showing a clear gap in earnings momentum.

Ameren (AEE) vs. AES (AES): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Revenue Growth (YoY)	15.43%	-0.37%
Revenue Growth (3Y CAGR)	3.41%	-1.03%
EPS Growth (YoY)	21.04%	-46.61%
EPS Growth (3Y CAGR)	8.92%	--

Financial Strength

Current Ratio (MRQ)

Both Ameren (AEE) at 0.74 and AES (AES) at 0.86 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

AEE

Utilities industry group

0.74

Max: 1.90
Q3: 1.17
Median: 0.88
AEE: 0.74
Q1: 0.66
Min: 0.29

AES

Utilities industry group

0.86

Max: 1.90
Q3: 1.17
Median: 0.88
AES: 0.86
Q1: 0.66
Min: 0.29

Ameren (AEE) vs. AES (AES): A comparison of their current ratio against the Utilities industry group benchmark.

Debt / Equity (MRQ)

Ameren (AEE) at 1.57 carries an industry-typical debt-to-equity mix, while AES (AES) at 2.43 uses more debt funding than most peers.

AEE

Utilities industry group

1.57

Max: 2.63
Q3: 1.77
AEE: 1.57
Median: 1.35
Q1: 0.84
Min: 0.00

AES

Utilities industry group

2.43

Max: 2.63
AES: 2.43
Q3: 1.77
Median: 1.35
Q1: 0.84
Min: 0.00

Ameren (AEE) vs. AES (AES): A comparison of their debt-to-equity ratio against the Utilities industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Current Ratio (MRQ)	0.74	0.86
Debt / Equity (MRQ)	1.57	2.43
Net Debt / EBITDA	5.55	7.28

Dividends

Dividend Yield (TTM)

AES (AES) at 4.73% offers top-quartile income, while Ameren (AEE) at 0.63% sits in the bottom quartile — a wide gap in cash returned to shareholders.

AEE

Utilities industry group

0.63%

Max: 6.66%
Q3: 3.58%
Median: 2.85%
Q1: 0.66%
AEE: 0.63%
Min: 0.00%

AES

Utilities industry group

4.73%

Max: 6.66%
AES: 4.73%
Q3: 3.58%
Median: 2.85%
Q1: 0.66%
Min: 0.00%

Ameren (AEE) vs. AES (AES): A comparison of their dividend yield against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

Ameren (AEE) at 51.48% keeps its payout within the industry’s typical band; AES (AES) at 28.27% pays out less than peers usually do, retaining more of its earnings — a policy difference more than a quality gap.

AEE

Utilities industry group

51.48%

Max: 113.04%
Q3: 68.72%
Median: 56.38%
AEE: 51.48%
Q1: 32.38%
Min: 0.00%

AES

Utilities industry group

28.27%

Max: 113.04%
Q3: 68.72%
Median: 56.38%
Q1: 32.38%
AES: 28.27%
Min: 0.00%

Ameren (AEE) vs. AES (AES): A comparison of their payout ratio against the Utilities industry group benchmark.

Dividend Metrics

Dividend metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
Dividend Yield (TTM)	0.63%	4.73%
Dividend Payout Ratio (TTM)	51.48%	28.27%

Valuation

P/E Ratio (TTM)

AES (AES) at 5.97 sits in the cheaper P/E ratio quartile, while Ameren (AEE) at 19.63 is closer to its industry’s usual earnings multiple — a discount for AES, though growth and earnings durability still matter.

AEE

Utilities industry group

19.63

Max: 31.22
Q3: 23.30
Median: 19.64
AEE: 19.63
Q1: 15.17
Min: 3.34

AES

Utilities industry group

5.97

Max: 31.22
Q3: 23.30
Median: 19.64
Q1: 15.17
AES: 5.97
Min: 3.34

Ameren (AEE) vs. AES (AES): A comparison of their P/E ratio against the Utilities industry group benchmark.

P/S Ratio (TTM)

AES (AES) at 0.78 looks cheap on sales in the lower P/S ratio quartile, while Ameren (AEE) at 3.63 looks rich in the upper quartile — a clear gap in price per dollar of revenue.

AEE

Utilities industry group

3.63

Max: 6.35
AEE: 3.63
Q3: 3.63
Median: 2.63
Q1: 1.52
Min: 0.00

AES

Utilities industry group

0.78

Max: 6.35
Q3: 3.63
Median: 2.63
Q1: 1.52
AES: 0.78
Min: 0.00

Ameren (AEE) vs. AES (AES): A comparison of their P/S ratio against the Utilities industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both Ameren (AEE) at 2.20 and AES (AES) at 1.86 are valued close to their industries’ norm against book — neither stands out from peers.

AEE

Utilities industry group

2.20

Max: 3.12
Q3: 2.21
AEE: 2.20
Median: 1.83
Q1: 1.46
Min: 0.34

AES

Utilities industry group

1.86

Max: 3.12
Q3: 2.21
AES: 1.86
Median: 1.83
Q1: 1.46
Min: 0.34

Ameren (AEE) vs. AES (AES): A comparison of their P/B ratio against the Utilities industry group benchmark.

Valuation Metrics

Valuation metrics for Ameren (AEE) and AES (AES)
Metric	AEE	AES
P/E Ratio (TTM)	19.63	5.97
P/S Ratio (TTM)	3.63	0.78
P/B Ratio (MRQ)	2.20	1.86
Free Cash Flow Yield (TTM)	-8.06%	-30.54%