Ameren (AEE) vs Alliant Energy (LNT)
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 Alliant Energy (LNT) over the past year, losing 3.1% versus a loss of 4.2%. Over five years, AEE leads with a +21.8% price change compared with +16.9% for LNT. Ameren is the larger company by market cap ($28.05 billion vs $16.91 billion), about 1.7 times the size.
On valuation, Ameren trades at a lower forward P/E (17.5x vs 17.7x for Alliant Energy). Alliant Energy offers the higher dividend yield (3.20% vs 2.88%). Alliant Energy converts more of its revenue into profit, with a net margin of 18.6% 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 | LNT |
|---|---|---|
| Share price | $101.32 | $65.21 |
| Market cap | $28.05B | $16.91B |
| 1-day change | -0.35% | -0.43% |
| YTD return | +1.46% | +0.31% |
| 1-year return | -3.15% | -4.20% |
| 5-year return | +21.81% | +16.93% |
| P/E ratio (TTM) | 17.84 | 20.64 |
| Forward P/E | 17.47 | 17.69 |
| EPS (TTM) | $5.68 | $3.16 |
| Dividend yield | 2.88% | 3.20% |
| Annual dividend | $2.92 | $2.09 |
| Revenue (latest FY) | $8.80B | $4.36B |
| Revenue growth (YoY) | +15.43% | +9.57% |
| Net income (latest FY) | $1.46B | $810.00M |
| Gross margin | — | 85.67% |
| Operating margin | 23.03% | 23.50% |
| Net margin | 16.60% | 18.57% |
| 52-week high | $118.32 | $78.81 |
| 52-week low | $96.57 | $62.54 |
| Distance from 52-week high | -14.37% | -17.26% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +16.34% | +18.66% |
| Average volume | 1.63M | 2.54M |
| Shares outstanding | 276.84M | 259.28M |
| Employees | 8,913 | 2,948 |
| 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.
Key differences
- Ameren grew revenue faster in its latest fiscal year (+15.43% vs +9.57%).
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 Alliant Energy
LNT stock →Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments.
Utilities · Power Generation · 2,948 employees
AEE vs LNT FAQ
Which is bigger, Ameren or Alliant Energy?
Ameren (AEE) is larger, with a market capitalization of $28.05B compared with $16.91B for Alliant Energy (LNT).
Which stock has performed better over the past year, AEE or LNT?
AEE returned -3.15% over the past 12 months, compared with -4.20% for LNT (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AEE or LNT?
AEE has the lower trailing P/E at 17.8, versus 20.6 for LNT. 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 Alliant Energy?
Alliant Energy has the higher yield at 3.20%, compared with 2.88% for Ameren.
Are Ameren and Alliant Energy in the same industry?
Yes. Both are classified in the Power Generation industry within the Utilities sector.