IMPA works closely with organizations such as the Indiana Association of Cities and Towns (IACT), the Indiana Municipal Electric Association (IMEA), the Indiana Utility Regulatory Commission, and the Transmission Access Policy Study group (TAPS) who share similar ideologies of local control and local decision-making.

• Indiana Association of Cities and Towns
• Indiana Utility Regulatory Commission
• Office of the Utility Consumer Counselor
• Indiana General Assembly
• United States Congress
• American Public Power Association
• Indiana Municipal Electric Association