US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

NewInsight: Investor-owned utilities charge 23% more for power

South Dakota

West River Electric Association electricity rates

What homes pay West River Electric Association for electricity, from EIA.

Cooperative utility, 19,230 homes in South Dakota. EIA lists it as West River Electric Assn Inc.

Headlines

Average price
16.1¢ a kWh
Up 8.6% on a year ago
Average bill
$142 a month
Up 4.2% on a year ago
Average use
881 kWh
A month. South Dakota 983 kWh
Price rank in South Dakota
1 of 8
1 is the most expensive

Over the 12 months to August 2026, West River Electric Association homes paid 16.1¢ a kWh, against 14.3¢ across South Dakota.

West River Electric Association vs South Dakota

West River Electric AssociationSouth Dakota
Average price, 12 months to August 202616.1¢14.3¢
Price in August 202616.7¢15.2¢
Average monthly bill, 12 months$142$140
Bill in August 2026$183$160
Average monthly use881 kWh983 kWh
Price change, past year+8.6%+8.2%
Price change since 2019+23%+24%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including August 2026

Source: EIA-861M monthly utility survey.