⚡ US Energy Price Monitorby KadoaUpdated weekly

Electricity prices in South Dakota

What homes in South Dakota pay for electricity, from EIA.

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Average price
14.2¢ a kWh
Up 7.6% on a year ago
Average bill
$140 a month
Up 5.2% on a year ago
Average use
986 kWh
A month. US 870 kWh
Price rank
36 of 51
1 is the most expensive

Over the 12 months to July 2026, South Dakota homes paid 14.2¢ a kWh, against a US average of 18.0¢.

South Dakota vs the US

South DakotaUS
Average price, 12 months to July 202614.2¢18.0¢
Price in July 202615.4¢18.3¢
Average monthly bill, 12 months$140$156
Bill in July 2026$176$212
Average monthly use986 kWh870 kWh
Price change, past year+7.6%+6.6%
Price change since 2019+23%+38%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including July 2026

Source: EIA Electric Power Monthly. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month. Bills peak in summer and winter.

Up to and including July 2026

Source: EIA Electric Power Monthly. EIA's own method for its average bill table.

Natural gas price

Average residential price a thousand cubic feet, by month. Summer prices are high because fixed charges are spread over little gas.

Up to and including June 2026

Source: EIA Natural Gas Monthly.

Utilities in South Dakota

Past 12 months, utilities with 10,000 homes or more. These utilities serve 66% of homes in South Dakota; smaller utilities serve the rest.

Xcel Energy (Northern States Power Minnesota)Investor-owned14.8¢+6.5%$11595,356
Black Hills PowerInvestor-owned15.4¢+5.3%$11562,886
NorthWestern EnergyInvestor-owned14.1¢+9.8%$12952,039
Sioux Valley SW Electric CooperativeCooperative14.9¢+11%$18223,575
Southeastern Electric CooperativeCooperative13.8¢+7.1%$15721,500
West River Electric AssociationCooperative16.1¢+9.0%$13919,197
Watertown Municipal UtilitiesMunicipal9.4¢+2.3%$8411,816
City of BrookingsMunicipal11.0¢+0.3%$9511,102

Heating fuels in South Dakota: propane.