NiSource
NI
$39.28
Share price
0.00%
Change (1 day)
39.94%
Change (1 year)
Categories
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: $18.48 Billion USD
As of June 2025 NiSource has a market cap of $18.48 Billion USD. This makes NiSource the world's 1091th 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 |
|---|---|---|
| 2025 | $18.48 B | 7.75% |
| 2024 | $17.15 B | 56.33% |
| 2023 | $10.97 B | -1.44% |
| 2022 | $11.13 B | 2.71% |
| 2021 | $10.84 B | 23.34% |
| 2020 | $8.79 B | -17.37% |
| 2019 | $10.63 B | 12.7% |
| 2018 | $9.43 B | 9.18% |
| 2017 | $8.64 B | 20.99% |
| 2016 | $7.14 B | 14.77% |
| 2015 | $6.22 B | -53.56% |
| 2014 | $13.40 B | 29.99% |
| 2013 | $10.31 B | 33.55% |
| 2012 | $7.72 B | 15.38% |
| 2011 | $6.69 B | 36.22% |
| 2010 | $4.91 B | 15.48% |
| 2009 | $4.25 B | 41.42% |
| 2008 | $3.00 B | -41.91% |
| 2007 | $5.17 B | -21.47% |
| 2006 | $6.59 B | 15.97% |
| 2005 | $5.68 B | -7.75% |
| 2004 | $6.16 B | 6.99% |
| 2003 | $5.76 B | 15.31% |
| 2002 | $4.99 B | 4.79% |
| 2001 | $4.76 B | -24.56% |
| 2000 | $6.32 B | 184.85% |
| 1999 | $2.21 B | -37.97% |
| 1998 | $3.57 B | 16.42% |
| 1997 | $3.07 B | 29.66% |
| 1996 | $2.36 B |
End of Day market cap according to different sources
On Jun 18th, 2025 the market cap of NiSource was reported to be:
$18.49 Billion USD
$18.48 Billion USD
Market capitalization for similar companies or competitors
| Name | Marketcap | Market cap differencediff. | Country |
|---|---|---|---|
 Sempra Energy SRE | $48.51 B | 162.40% | 🇺🇸 USA |
 Duke Energy DUK | $89.05 B | 381.68% | 🇺🇸 USA |
 Atmos Energy ATO | $24.20 B | 30.92% | 🇺🇸 USA |
 Chesapeake Utilities
CPK | $2.81 B | -84.75% | 🇺🇸 USA |
 Genie Energy
GNE | $0.68 B | -96.31% | 🇺🇸 USA |