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Electric Cooperatives in South Dakota

30 electric co-ops report customers in South Dakota.

Electric co-opCustomers in South DakotaEIA data year
Black Hills Electric Cooperative, Inc.11,4782025
Bon Homme Yankton Electric Association, Inc.4,1902025
Butte Electric Cooperative, Inc.7,4722025
Cam Wal Electric Cooperative, Inc.2,6032025
Central Electric Cooperative, Inc.7,3972025
Charles Mix Electric Association, Inc.2,6612025
Cherry-Todd Electric Cooperative, Inc.4,8922025
Clay-Union Electric Corporation3,9172025
Codington-Clarkansas Electric Cooperative, Inc.3,4942025
Dakota Energy Cooperative, Inc.3,6452025
Douglas Electric Cooperative, Inc.8232025
Fem Electric Association, Inc.2,1642025
Grand Electric Cooperative, Inc.5,2572025
H-D Electric Cooperative, Inc.3,8732025
Kingsbury Electric Cooperative, Inc.9102025
Lacreek Electric Association, Inc.6,6002025
Lake Region Electric Association, Inc.3,4642025
Moreau-Grand Electric Cooperative, Inc.7,1612025
Niobrara Electric Association, Inc.162025
Northern Electric Cooperative, Inc.6,9382025
Oahe Electric Cooperative, Inc.3,2822025
Rosebud Electric Cooperative, Inc.5,6972025
Sioux Valley Sw Electric Cooperative26,1642025
Southeast Electric Cooperative, Inc.242025
Southeastern Electric Cooperative, Inc.24,4282025
Traverse Electric Cooperative, Inc.1,0602025
Union County Electric Cooperative, Inc.1,6852025
West Central Electric Cooperative, Inc.6,8152025
West River Electric Association, Inc.21,3322025
Whetstone Valley Electric Cooperative, Inc.3,6982025

Source: U.S. Energy Information Administration, Form EIA-861 annual survey, 2025 data (eia.gov). Customers are the utility’s retail accounts in South Dakota, not co-op members.

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