Alliant Energy (LNT) vs NiSource (NI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Alliant Energy (LNT) has outperformed NiSource (NI) over the past year, losing 4.2% versus a loss of 7.0%. Over five years, NI leads with a +62.9% price change compared with +16.9% for LNT. NiSource is the larger company by market cap ($19.41 billion vs $16.97 billion), about 1.1 times the size.
On valuation, Alliant Energy trades at a lower forward P/E (17.8x vs 18.0x for NiSource). Alliant Energy offers the higher dividend yield (3.19% vs 1.43%). Alliant Energy converts more of its revenue into profit, with a net margin of 18.6% versus 14.3%.
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 | LNT | NI |
|---|---|---|
| Share price | $65.46 | $40.48 |
| Market cap | $16.97B | $19.41B |
| 1-day change | +0.38% | -0.15% |
| YTD return | +0.31% | -2.92% |
| 1-year return | -4.20% | -7.00% |
| 5-year return | +16.93% | +62.94% |
| P/E ratio (TTM) | 20.71 | 21.53 |
| Forward P/E | 17.75 | 17.98 |
| EPS (TTM) | $3.16 | $1.88 |
| Dividend yield | 3.19% | 1.43% |
| Annual dividend | $2.09 | $0.58 |
| Revenue (latest FY) | $4.36B | $6.52B |
| Revenue growth (YoY) | +9.57% | +23.47% |
| Net income (latest FY) | $810.00M | $929.50M |
| Gross margin | 85.67% | 75.71% |
| Operating margin | 23.50% | 28.14% |
| Net margin | 18.57% | 14.25% |
| 52-week high | $78.81 | $49.21 |
| 52-week low | $62.54 | $38.42 |
| Distance from 52-week high | -16.95% | -17.74% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +18.22% | +21.37% |
| Average volume | 2.53M | 5.53M |
| Shares outstanding | 259.28M | 479.56M |
| Employees | 2,948 | 7,668 |
| 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
- Alliant Energy offers a meaningfully higher dividend yield (3.19% vs 1.43%).
- NiSource grew revenue faster in its latest fiscal year (+23.47% vs +9.57%).
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
About NiSource
NI stock →NiSource Inc., an energy holding company, operates as a regulated natural gas and electric utility company in the United States. It operates in two segments, Columbia Operations and NIPSCO Operations.
Utilities · Power Generation · 7,668 employees
LNT vs NI FAQ
Which is bigger, Alliant Energy or NiSource?
NiSource (NI) is larger, with a market capitalization of $19.41B compared with $16.97B for Alliant Energy (LNT).
Which stock has performed better over the past year, LNT or NI?
LNT returned -4.20% over the past 12 months, compared with -7.00% for NI (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, LNT or NI?
LNT has the lower trailing P/E at 20.7, versus 21.5 for NI. 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, Alliant Energy or NiSource?
Alliant Energy has the higher yield at 3.19%, compared with 1.43% for NiSource.
Are Alliant Energy and NiSource in the same industry?
Yes. Both are classified in the Power Generation industry within the Utilities sector.