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Electricity rates › South Dakota

South Dakota electricity rates

Homes in South Dakota pay an average of 12.9¢ per kWh, 22% below the US average, and use 994 kWh a month. South Dakota ranks #39 of 51 for residential electricity prices.

12.9¢average price per kWh
994 kWhaverage use per month
$128average monthly bill
#39 of 51price rank (1 = most expensive)

Residential rates by utility in South Dakota

Utility¢/kWhZIP codes served
Otter Tail Power Co11.157
Southeastern Electric Coop Inc11.446
Northern States Power Co - Minnesota14.245
Central Electric Coop, Inc12.544
Sioux Valley SW Elec Coop12.044
Northern Electric Coop, Inc10.135
Dakota Energy Coop Inc14.634
West River Electric Assn Inc13.430
Black Hills Power, Inc.13.728
Montana-Dakota Utilities Co12.525
Rosebud Electric Coop Inc10.424
Black Hills Electric Coop, Inc14.323

Average residential rates for full-service utilities, from NREL’s utility rates by ZIP code (2023). In areas with retail choice, your price depends on the plan you pick.

Is solar worth it in South Dakota?

At 12.9¢ per kWh, every 1,000 kWh your roof makes and you use yourself is worth about $129. A system that covers the average South Dakota home would replace about 11,928 kWh a year, roughly $1,534 of electricity at today’s prices.

9.2 kWsystem for an average home (23 panels)
$27,600rough installed cost
$1,534electricity saved per year
~18 yearssimple payback

Assumes a typical 1,350 kWh per kW of panels a year and $3.00/W installed, before incentives and price increases. Your roof’s direction, pitch and shade change these numbers; the estimator measures them for your address.

Plan solar for your South Dakota home

State figures: EIA Table 5A, 2024 Average Monthly Bill - Residential (forms EIA-861, 861S, 861U).