Ameren (AEE) vs WEC Energy Group (WEC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Ameren (AEE) has outperformed WEC Energy Group (WEC) over the past year, losing 2.5% versus a loss of 10.1%. Over five years, AEE leads with a +22.6% price change compared with +14.9% for WEC. WEC Energy Group is the larger company by market cap ($33.62 billion vs $28.05 billion), about 1.2 times the size, while Ameren is growing revenue faster (+15.4% vs +14.0%).
On valuation, WEC Energy Group trades at a lower forward P/E (17.2x vs 17.5x for Ameren). WEC Energy Group offers the higher dividend yield (3.58% vs 2.88%). Ameren converts more of its revenue into profit, with a net margin of 16.6% versus 15.9%.
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 | WEC |
|---|---|---|
| Share price | $101.32 | $103.18 |
| Market cap | $28.05B | $33.62B |
| 1-day change | -0.35% | -0.01% |
| YTD return | +2.11% | -1.83% |
| 1-year return | -2.52% | -10.13% |
| 5-year return | +22.59% | +14.94% |
| P/E ratio (TTM) | 17.84 | 20.03 |
| Forward P/E | 17.47 | 17.20 |
| EPS (TTM) | $5.68 | $5.15 |
| Dividend yield | 2.88% | 3.58% |
| Annual dividend | $2.92 | $3.69 |
| Revenue (latest FY) | $8.80B | $9.80B |
| Revenue growth (YoY) | +15.43% | +13.96% |
| Net income (latest FY) | $1.46B | $1.56B |
| Gross margin | — | 66.68% |
| Operating margin | 23.03% | 22.91% |
| Net margin | 16.60% | 15.87% |
| 52-week high | $118.32 | $119.91 |
| 52-week low | $96.57 | $99.80 |
| Distance from 52-week high | -14.37% | -13.95% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +16.34% | +16.55% |
| Average volume | 1.63M | 2.44M |
| Shares outstanding | 276.84M | 325.85M |
| Employees | 8,913 | 7,000 |
| 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 WEC Energy Group
WEC stock →WEC Energy Group, Inc., through its subsidiaries, provides regulated natural gas and electricity, and renewable and nonregulated renewable energy services in the United States. The company operates through Wisconsin, Illinois, Other States, Electric Transmission, and Non-Utility Energy Infrastructure segments.
Utilities · Power Generation · 7,000 employees
AEE vs WEC FAQ
Which is bigger, Ameren or WEC Energy Group?
WEC Energy Group (WEC) is larger, with a market capitalization of $33.62B compared with $28.05B for Ameren (AEE).
Which stock has performed better over the past year, AEE or WEC?
AEE returned -2.52% over the past 12 months, compared with -10.13% for WEC (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AEE or WEC?
AEE has the lower trailing P/E at 17.8, versus 20.0 for WEC. 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 WEC Energy Group?
WEC Energy Group has the higher yield at 3.58%, compared with 2.88% for Ameren.
Are Ameren and WEC Energy Group in the same industry?
Yes. Both are classified in the Power Generation industry within the Utilities sector.