States › South Dakota
South Dakota electricity rates
Updated October 7, 2026
13.3¢per kWh, customer-weighted average19% lower than the U.S. average
$114average monthly bill
0utilities with a pending rate case
Utilities in South Dakota
| Utility | ¢/kWh | Homes | Avg bill | Rate case |
|---|---|---|---|---|
| Xcel Energy South Dakota Investor Owned | 13.87 | 92,204 | $103 | |
| Black Hills Power Investor Owned | 14.37 | 60,951 | $110 | |
| NorthWestern Energy Investor Owned | 12.56 | 51,467 | $113 | |
| Sioux Valley SW Elec Coop Cooperative | 12.94 | 22,213 | $160 | |
| Southeastern Electric Coop Cooperative | 12.41 | 20,160 | $140 | |
| West River Electric Assn Cooperative | 14.25 | 18,423 | $128 | |
| Watertown Municipal Utilities Municipal | 9.3 | 11,633 | $80 | |
| City of Brookings Municipal | 11.12 | 10,544 | $90 |