MetaCap

NiSource (NI) vs NorthWestern Energy Group (NWE)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.

Summary

NorthWestern Energy Group (NWE) has outperformed NiSource (NI) over the past year, gaining 27.2% versus a loss of 5.1%. Over five years, NI leads with a +63.8% price change compared with +29.7% for NWE. NiSource is the larger company by market cap ($19.55 billion vs $4.56 billion), about 4.3 times the size.

On valuation, NiSource trades at a lower forward P/E (18.1x vs 18.7x for NorthWestern Energy Group). NorthWestern Energy Group offers the higher dividend yield (3.59% vs 1.42%). NiSource converts more of its revenue into profit, with a net margin of 14.3% versus 11.2%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

NI-5.08%NWE+27.17%
+30%+9%-11%
Oct 9, 20251 yearOct 9, 2026
NI+66.84%NWE+25.96%
+107%+40%-27%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

NI versus NWE key metrics
MetricNINWE
Share price$40.76$74.15
Market cap$19.55B$4.56B
1-day change+0.57%-0.64%
YTD return-2.39%+14.89%
1-year return-5.08%+27.17%
5-year return+63.83%+29.72%
P/E ratio (TTM)21.5726.96
Forward P/E18.1118.73
EPS (TTM)$1.89$2.75
Dividend yield1.42%3.59%
Annual dividend$0.58$2.66
Revenue (latest FY)$6.52B$1.61B
Revenue growth (YoY)+23.47%+6.38%
Net income (latest FY)$929.50M$181.09M
Gross margin75.71%—
Operating margin28.14%20.23%
Net margin14.25%11.24%
52-week high$49.21$76.00
52-week low$38.42$57.12
Distance from 52-week high-17.17%-2.43%
Analyst consensusbuybuy
Avg. price target upside+20.53%-1.89%
Average volume5.58M442.24K
Shares outstanding479.56M61.52M
Employees7,6681,667
SectorUtilitiesUtilities
IndustryUtilities - Regulated GasPower 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

  • NiSource is about 4.3 times larger than NorthWestern Energy Group by market value ($19.55B vs $4.56B).
  • NWE has outperformed NI by 32.2 percentage points over the past year.
  • NorthWestern Energy Group trades at a higher earnings multiple (27.0x vs 21.6x trailing P/E).
  • NorthWestern Energy Group offers a meaningfully higher dividend yield (3.59% vs 1.42%).
  • NiSource grew revenue faster in its latest fiscal year (+23.47% vs +6.38%).

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 · Utilities - Regulated Gas · 7,668 employees

About NorthWestern Energy Group

NWE stock →

NorthWestern Energy Group, Inc., doing business as NorthWestern Energy, provides electricity and natural gas to residential, commercial, and diversified industrial customers. It generates, purchases, transmits, and distributes electricity; and produces, purchases, stores, transmits, and distributes natural gas, as well as owns municipal franchises to provide natural gas service in the communities.

Utilities · Power Generation · 1,667 employees

NI vs NWE FAQ

Which is bigger, NiSource or NorthWestern Energy Group?

NiSource (NI) is larger, with a market capitalization of $19.55B compared with $4.56B for NorthWestern Energy Group (NWE).

Which stock has performed better over the past year, NI or NWE?

NWE returned +27.17% over the past 12 months, compared with -5.08% for NI (price return, excluding dividends). Past performance does not predict future results.

Which has the lower P/E ratio, NI or NWE?

NI has the lower trailing P/E at 21.6, versus 27.0 for NWE. 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, NiSource or NorthWestern Energy Group?

NorthWestern Energy Group has the higher yield at 3.59%, compared with 1.42% for NiSource.

Are NiSource and NorthWestern Energy Group in the same industry?

Both are in the Utilities sector, but in different industries: Utilities - Regulated Gas for NiSource and Power Generation for NorthWestern Energy Group.

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