Indiana Municipal Power Agency, located in Carmel, Indiana, is a joint action agency created by Indiana s municipal electric utilities to provide their complete wholesale power supply and electric transmission delivery. At IMPA, we support 61 communities in Indiana and Ohio through providing a low-cost, reliable, and environmentally responsible power supply, as well as a variety of other services to help in the overall success of each town or city. IMPA Service Corp, a not-for-profit service p...