NiSource
NI
#1130
Rank
โ‚น1.762 T
Marketcap
โ‚น3,724
Share price
0.29%
Change (1 day)
22.72%
Change (1 year)
NiSource Inc. is an American utility company, serving approximately 3.5 million natural gas customers and 500,000 electric customers across seven states through its local Columbia Gas and NIPSCO brands.

Market capitalization of NiSource (NI)

Market cap: โ‚น1.762 Trillion

As of December 2025 NiSource has a market cap of โ‚น1.762 Trillion. This makes NiSource the world's 1130th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of NiSource from 1996 to 2025

End of year Market Cap

Year Marketcap Change
2025โ‚น1.762 T19.72%
2024โ‚น1.471 T61.09%
2023โ‚น913.75 B-0.84%
2022โ‚น921.52 B14.19%
2021โ‚น807.02 B25.53%
2020โ‚น642.91 B-15.26%
2019โ‚น758.65 B14.94%
2018โ‚น660.02 B19.57%
2017โ‚น552.02 B13.69%
2016โ‚น485.56 B17.36%
2015โ‚น413.73 B-51.31%
2014โ‚น849.66 B33.35%
2013โ‚น637.17 B50.69%
2012โ‚น422.85 B19.42%
2011โ‚น354.07 B60.82%
2010โ‚น220.17 B11.53%
2009โ‚น197.41 B36.53%
2008โ‚น144.60 B-28.86%
2007โ‚น203.25 B-30.41%
2006โ‚น292.09 B14.14%
2005โ‚น255.91 B-4.15%
2004โ‚น266.98 B1.77%
2003โ‚น262.34 B9.48%
2002โ‚น239.63 B4.15%
2001โ‚น230.09 B-22%
2000โ‚น295.00 B205.81%
1999โ‚น96.46 B-36.58%
1998โ‚น152.11 B25.96%
1997โ‚น120.76 B41.75%
1996โ‚น85.19 B

End of Day market cap according to different sources

On Dec 8th, 2025 the market cap of NiSource was reported to be:

โ‚น1.772 Trillion
by Nasdaq info icon info icon
โ‚น1.757 Trillion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
Sempra Energy
SRE
โ‚น5.179 T 193.95%๐Ÿ‡บ๐Ÿ‡ธ USA
Duke Energy
DUK
โ‚น8.052 T 356.98%๐Ÿ‡บ๐Ÿ‡ธ USA
Atmos Energy
ATO
โ‚น2.415 T 37.10%๐Ÿ‡บ๐Ÿ‡ธ USA
Chesapeake Utilities
CPK
โ‚น267.18 B-84.84%๐Ÿ‡บ๐Ÿ‡ธ USA
Genie Energy
GNE
โ‚น33.79 B-98.08%๐Ÿ‡บ๐Ÿ‡ธ USA