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  • East River Electric Power Cooperative

    • Manufacturing, Production, & Wholesale
    211 S. Harth Ave.
    Madison, SD 57042
    (605) 256-4536
    (605) 256-8058 (fax)
    • About

      Description:
      East River Electric Power Cooperative is a power-supply cooperative that delivers wholesale power through a 2,600-mile transmission system to 21 member electric distribution systems. These distribution systems in turn provide retail electricity to more than 85,000 homes and businesses in a 36,000-square-mile service area, covering 41 counties in eastern South Dakota and nine counties in western Minnesota.

      Product/Service:
      East River Electric Power Cooperative provides wholesale electricity to 22 member systems.

      History:
      East River Electric Power Cooperative was organized in October, 1949 to secure Missouri River hydroelectric power allotment. A transmission network was established for delivery to 21 rural electric systems. In November of 1950, East River Electric established their headquarters in Madison, South Dakota. From 1950-1953, the original Board of Directors consisted of 9 district representatives. Since 1953, each of East River's member systems has had a representative on the Board of Directors.

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