NiSource Inc NiSource Inc

NiSource Inc

NI

Rank in Stocks #1130
NiSource Inc., an energy holding company, operates as a regulated natural gas... 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. The company provides natural gas to residential, commercial, and industrial customers through approximately 37,300 miles of distribution main pipeline and the associated individual customer service lines; and 310 miles of transmission main pipeline in Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. It also generates, transmits, and distributes electricity to approximately 0.5 million customers in various counties in the northern part of Indiana, as well as engages in wholesale electric and transmission transactions. It owns and operates steam coal generating stations in Wheatfield and Michigan City; combined cycle gas turbine in West Terre Haute; natural gas generating units in Wheatfield; hydro generating plants in Carroll County and White County; wind generating units in White County; and solar generating units in Sullivan County, Gibson County, Jasper County, and White County. The company was formerly known as NIPSCO Industries, Inc. and changed its name to NiSource Inc. in April 1999. NiSource Inc. was founded in 1847 and is headquartered in Merrillville, Indiana.
Share Price
$42.82
Last synced: 2026-10-16
Market Cap
$20.53B
Change (1 day)
3.91%
Change (1 year)
-0.99%
Country
US
Trade NiSource Inc (NI)

Category

Utilities
Operating Margin for NiSource Inc (NI)
Operating Margin as of October 2026 TTM: 27.03%
According to NiSource Inc latest financial reports and stock price the company's current Operating Margin (TTM) is 27.03%. At the end of 2023 the company had an Operating Margin of 23.53%.
Operating Margin history for NiSource Inc from 2000 to 2026
Operating Margin at the end of each year
Year Operating Margin Change
2026 (TTM) 27.03% 1.31%
2024 26.68% 13.39%
2023 23.53% 8.73%
2022 21.64% 5.30%
2021 20.55% 74.74%
2020 11.76% -31.23%
2019 17.10% 600.82%
2018 2.44% -87.09%
2017 18.90% -1.97%
2016 19.28% 12.09%
2015 17.20% 40.98%
2014 12.20% -1.13%
2013 12.34% -39.95%
2012 20.55% 35.29%
2011 15.19% 9.36%
2010 13.89% 15.27%
2009 12.05% 16.31%
2008 10.36% -5.13%
2007 10.92% -11.79%
2006 12.38% 15.92%
2005 10.68% -33.50%
2004 16.06% -8.59%
2003 17.57% 1.44%
2002 17.32% 62.32%
2001 10.67% 13.27%
2000 9.42% 0.00%
Operating Margin for similar companies or competitors
Company Operating Margin Operating Margin Difference Country
0.00% -
US
0.00% -
ES
36.97% -98.63%
US
0.00% -
IT
5.64% -99.79%
HK
What is a company's Operating Margin?
The operating margin is a key indicator to assess the profitability of a company. Higher operating margins are generaly better as they show that a company is able to sell its products or services for much more than their production costs. The operating margin is calculated by dividing a company's earnings by its revenue.