Ameren (AEE) vs Public Service Enterprise Group (PEG)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Ameren (AEE) has outperformed Public Service Enterprise Group (PEG) over the past year, losing 3.1% versus a loss of 10.9%. Over five years, AEE leads with a +21.8% price change compared with +15.5% for PEG. Public Service Enterprise Group is the larger company by market cap ($35.76 billion vs $28.05 billion), about 1.3 times the size.
On valuation, Public Service Enterprise Group trades at a lower forward P/E (15.4x vs 17.5x for Ameren). Public Service Enterprise Group offers the higher dividend yield (3.62% vs 2.88%). Public Service Enterprise Group converts more of its revenue into profit, with a net margin of 17.3% versus 16.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AEE | PEG |
|---|---|---|
| Share price | $101.32 | $71.74 |
| Market cap | $28.05B | $35.76B |
| 1-day change | -0.35% | +0.01% |
| YTD return | +1.46% | -10.66% |
| 1-year return | -3.15% | -10.90% |
| 5-year return | +21.81% | +15.50% |
| P/E ratio (TTM) | 17.84 | 17.85 |
| Forward P/E | 17.47 | 15.35 |
| EPS (TTM) | $5.68 | $4.02 |
| Dividend yield | 2.88% | 3.62% |
| Annual dividend | $2.92 | $2.60 |
| Revenue (latest FY) | $8.80B | $12.17B |
| Revenue growth (YoY) | +15.43% | +18.25% |
| Net income (latest FY) | $1.46B | $2.11B |
| Gross margin | — | 65.82% |
| Operating margin | 23.03% | 24.49% |
| Net margin | 16.60% | 17.35% |
| 52-week high | $118.32 | $87.63 |
| 52-week low | $96.57 | $66.15 |
| Distance from 52-week high | -14.37% | -18.13% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +16.34% | +17.74% |
| Average volume | 1.63M | 3.19M |
| Shares outstanding | 276.84M | 498.42M |
| Employees | 8,913 | 13,189 |
| Sector | Utilities | Utilities |
| Industry | Power Generation | Power Generation |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
About Ameren
AEE stock →Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. The company operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission.
Utilities · Power Generation · 8,913 employees
About Public Service Enterprise Group
PEG stock →Public Service Enterprise Group Incorporated, through its subsidiaries, operates in electric and gas utility, and nuclear generation businesses in the United States. It operates through PSE&G and PSEG Power segments.
Utilities · Power Generation · 13,189 employees
AEE vs PEG FAQ
Which is bigger, Ameren or Public Service Enterprise Group?
Public Service Enterprise Group (PEG) is larger, with a market capitalization of $35.76B compared with $28.05B for Ameren (AEE).
Which stock has performed better over the past year, AEE or PEG?
AEE returned -3.15% over the past 12 months, compared with -10.90% for PEG (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AEE or PEG?
AEE has the lower trailing P/E at 17.8, versus 17.8 for PEG. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Ameren or Public Service Enterprise Group?
Public Service Enterprise Group has the higher yield at 3.62%, compared with 2.88% for Ameren.
Are Ameren and Public Service Enterprise Group in the same industry?
Yes. Both are classified in the Power Generation industry within the Utilities sector.