Summary
NiSource is a regulated gas utility with smaller electricity operations in six states: IN, KY, MD, OH, PA, VA. NiSource has transmission, distribution, and generation operations. The company provides natural gas through its Columbia Gas utilities to 3.3 million customers, of which about two thirds of customers are in Ohio and Pennsylvania. About 70% of natural gas deliveries in 2024 was to residential customers.
NiSource’s Indiana utility subsidiary, NIPSCO, provides gas and electric distribution to 1.3 million customers and 460,000 electric customers. As of 2024, NIPSCO had about 3,300 MW of generating capacity from 11 facilities and about 55,000 natural gas distribution lines. NI also has LNG operations in Indiana. The company has two coal-fired plants, but hopes to eliminate coal from its generation mix by 2028 and be net zero by 2040. Its generating capaci
