US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

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

South Dakota

Black Hills Power electricity rates

What homes pay Black Hills Power for electricity, from EIA.

Investor-owned utility, 62,956 homes in South Dakota. EIA lists it as Black Hills Power, Inc..

Headlines

Average price
15.6¢ a kWh
Up 5.8% on a year ago
Average bill
$117 a month
Up 2.5% on a year ago
Average use
750 kWh
A month. South Dakota 983 kWh
Price rank in South Dakota
2 of 8
1 is the most expensive

Over the 12 months to August 2026, Black Hills Power homes paid 15.6¢ a kWh, against 14.3¢ across South Dakota.

Black Hills Power vs South Dakota

Black Hills PowerSouth Dakota
Average price, 12 months to August 202615.6¢14.3¢
Price in August 202618.2¢15.2¢
Average monthly bill, 12 months$117$140
Bill in August 2026$152$160
Average monthly use750 kWh983 kWh
Price change, past year+5.8%+8.2%
Price change since 2019+18%+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.