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Headquartered in Charlotte, N.C., Duke Energy Corporation is one of the largest electric power holding companies in the United States. With approximately 790,000 customers in Indiana, Duke Energy is the state’s largest electric service provider. Our mission is to make people’s lives better by providing electric services in a sustainable way — affordable, reliable and clean.
Indiana Michigan Power
Indiana Michigan Power (I&M), a subsidiary of American Electric Power (AEP), is headquartered in Fort Wayne, Ind., and provides more than 575,000 customers in Indiana and Michigan with efficient and reliable electric service.
Indiana Municipal Power Agency
Indiana Municipal Power Agency (IMPA) is a not-for-profit electric utility company owned and governed by its members. Its 53 municipally-owned members share their power resources in order to provide safe, reliable electricity more economically to their customers.
Indianapolis Power & Light Company
Indianapolis Power and Light (IPL) is an Indianapolis-based company providing electric service to central Indiana communities. IPL prides itself on delivering low-cost electricity and associated services to more than 470,000 residential, commercial and industrial customers.
NIPSCO, with headquarters in Merrillville, Ind., is one of the seven energy distribution companies of NiSource Inc. (NYSE: NI). With more than 786,000 natural gas customers and 457,000 electric customers across the northern third of Indiana, NIPSCO is the largest natural gas distribution company, and the second largest electric distribution company, in the state. NiSource distribution companies serve 3.8 million natural gas and electric customers primarily in seven states.
Based in Evansville, Ind., Vectren Corporation distributes electricity and/or natural gas to approximately 1 million residential and business customers in a total of 74 counties in Indiana and west central Ohio.