SPP ups membership to 90 with 4 additions
East River Electric is a wholesale electric power supply cooperative serving 24 rural electric cooperatives and one municipally-owned electric system, according to its website. In turn, those providers serve more than 92,000 homes and businesses and about 250,000 consumers. East River has a 40,000 square-mile service territory with customers in South Dakota and Minnesota.
Northwest Iowa Power Cooperative (NIPCO) is a generation and transmission electric cooperative supplying wholesale electric power to 7 distribution cooperatives that serve over 30,000 members. The cooperative has more than 900 miles of 69kV transmission line and 80 distribution sub