IEA Member companies represent over 2.3 million electric consumers and 1.8 million natural gas consumers. They represent the largest utility companies in the state and serve the majority of Hoosiers.

IEA Members Information

Learn more about our IEA Members and their commitments to the energy consumers of Indiana:

  • 1080 W. Hospital Rd.
    P.O. Box 450
    Paoli, IN 47454-9668
  • 801 E. 86th Avenue
    Merrillville, IN 46410-6272
  • 800-4NIPSCO

  • 312 West Carr Street
    P.O. Box 441
    Milan, Indiana 47031