A leading utility company delivering natural gas and electric services to nearly four million customers in the Midwest and Northeast United States.
NiSource Inc., an energy holding company based in Merrillville, Indiana, operates as a regulated provider of natural gas and electric utility services across the United States. The company is structured into two primary segments: Gas Distribution Operations and Electric Operations. In the Gas Distribution Operations segment, NiSource distributes natural gas to approximately 853,000 customers in northern Indiana, as well as to over 2.4 million residential, commercial, and industrial customers spanning Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. This segment manages an extensive network of approximately 54,600 miles of distribution main pipelines and maintains 1,000 miles of transmission main pipelines.
On the Electric Operations front, NiSource generates, transmits, and distributes electricity to around 483,000 customers across 20 counties in northern Indiana. The company also engages in wholesale electric sales and transmission transactions to bolster its operational reach and efficiency in the energy market. NiSource owns and operates diverse energy generation assets, including coal-fired electric stations, combined cycle gas turbines, natural gas units, hydroelectric plants, and wind farms, strategically located to meet varying energy demands and ensure reliability.
Founded in 1847 and originally known as NIPSCO Industries, Inc., NiSource Inc. rebranded itself in April 1999 to reflect its expanded scope and commitment to providing essential energy services. With a rich history spanning over a century and a half, NiSource continues to innovate in energy delivery and invest in sustainable energy solutions to support the communities it serves.