Phone: (406) 433-4100
Welcome to Upper Missouri Power Cooperative's Website!
Headquartered in Sidney, Montana, Upper Missouri Power Cooperative is a transmission services cooperative supplying wholesale electricity to 11 electric distribution cooperatives, including six in eastern Montana and five in western North Dakota. The cooperative’s 11 member-systems serve 79,292 meters to farms, ranches, homes and businesses in 37 counties covering more than 54,762 square miles. Upper Missouri sources power from two major suppliers, Basin Electric Power Cooperative and the Western Area Power Administration.