KEM Electric Cooperative

Kidder, Logan, Emmons, McIntosh and Burleigh counties

Mor-Gran-Sou Electric Cooperative

Morton, Grant and Sioux counties

Roughrider Electric Cooperative

Mercer, Oliver, Stark, Dunn, Billings, Golden Valley and Hettinger counties

Slope Electric Cooperative

Adams, Bowman, Hettinger and Slope counties