TotalMarketCap

Nisource

NINYSE United StatesUtilitiesPower Generation

Market cap

$21.338 B

$44.49 -1.78%

Close of 6 Nov 2026

As of 6 Nov 2026, Nisource (NI) has a market capitalization of $21.3B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$6.52B

#556 by revenue

Earnings

$929.5M

#413 by earnings

Shares outstanding

479,668,642

Latest filing cover page

P/E ratio

23.0

Cap ÷ net income

Power Generation, ranked by market cap

All 20 →
  1. #8AmerenAEE$31.3B
  2. #9Cms EnergyCMS$22.1B
  3. #10NisourceNI$21.3B
  4. #11EvergyEVRG$20.1B
  5. #12Alliant EnergyLNT$19.1B

What if Nisource were worth as much as…

Open the what-if tool →

Gold $28.2T

$58,867.46

Per share 1,323× higher

Bitcoin $1.53T

$3,185.22

Per share 71.6× higher

Apple $5.02T

$10,456.77

Per share 235× higher

Or at a round number

$50.0B$100.0B$200.0B$500.0B

Where these numbers come from

Share counts and financials for Nisource are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.