NiSource Inc.

Headquarters: Merrillville, IN, United States

Founded: 1912

Employees: 7,272

CEO: Mr. Lloyd M. Yates

NYSE: NI -0.65%

Market Cap

$11.12 Billion

USD as of Jan. 1, 2024

Market Cap History

NiSource Inc. market capitalization over time

Evolution of NiSource Inc. market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of NiSource Inc.

Detailed Description

NiSource Inc., an energy holding company, operates as a regulated natural gas and electric utility company in the United States. It operates through two segments, Gas Distribution Operations and Electric Operations. The company's distributes natural gas to approximately 853,000 customers in northern Indiana, as well as approximately 2.4 million residential, commercial, and industrial customers in Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. It operates in approximately 54,600 miles of distribution main pipeline plus the associated individual customer service lines and 1,000 miles of transmission main pipelines. The company generates, transmits, and distributes electricity to approximately 483,000 customers in 20 counties in the northern part of Indiana; and engages in wholesale electric and transmission transactions. It owns and operates coal-fired electric generating stations with a capacity of 722 megawatts (MW) in Wheatfield and 455 MW in Michigan City; combined cycle gas turbine with a capacity of 563 MW in West Terre Haute; natural gas generating units with a capacity of 155 MW in Wheatfield; hydro generating plants with a capacity of 9 MW in Carroll County and 7 MW in White County; and wind generating units with a capacity of 102 MW and 302 MW in White County, Indiana. 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.

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Product & Services

Natural gas, electricity

Key People

Joseph Hamrock, CEO


Revenue: US$5.21 billion (2019)

Total assets: US$22.66 billion (2019)

Total equity: US$5.99 billion (2019)



801 East 86th Avenue

Merrillville, IN 46410

United States

Phone: 877-647-5990