CTOs on the Move

East River Electric Power Cooperative is a wholesale electric power supply cooperative serving 24 rural electric cooperatives and one municipally-owned electric system, which in turn serve more than 92,000 homes and businesses and about 250,000 consumers. Our 40,000 square mile service area covers the rural areas of 41 counties in eastern South Dakota and 22 counties in western Minnesota. East River Electric Power Cooperative exists to enhance the value of its members.