Home Cost Pulse

South Dakota electricity rates and average bill

Residential price, August 2026

Homes in South Dakota paid an average of 15.15¢ per kWh in August 2026, 17% below the U.S. average of 18.16¢. That is the 17th lowest among the 50 states and D.C. The price is up 9.0% vs August 2025.

The average South Dakota home12 months to August 2026
Electricity used per month
983 kWh
U.S. average home
875 kWh
Average monthly bill
$140.27

Same usage at the Aug 2026 price$148.87

Bills are revenue divided by customers, so they include the fixed charges and fees utilities collect.

Price over the last 36 months

10.4¢15.1¢19.8¢Sep 2023Mar 2025Aug 202615.15¢
South DakotaU.S. average
Show the monthly numbers
MonthPrice
August 202615.15¢
July 202615.37¢
June 202615.36¢
May 202615.73¢
April 202614.52¢
March 202614.28¢
February 202613.22¢
January 202613.58¢
December 202512.43¢
November 202513.74¢
October 202514.01¢
September 202514.68¢
August 202513.90¢
July 202514.45¢
June 202514.29¢
May 202514.26¢
April 202513.31¢
March 202512.69¢
February 202511.78¢
January 202512.03¢
December 202412.27¢
November 202413.27¢
October 202413.66¢
September 202413.84¢

What everyday things cost in South Dakota

At 15.15¢ per kWh, before any fixed monthly charge:

ItemEnergyCost
1,000 kWh
a round reference amount		1,000 kWh$151.50
Central air conditioner
3.5 kW running 8 hours a day for 30 days		840 kWh$127.26
Space heater
1.5 kW running 8 hours a day for 30 days		360 kWh$54.54
Electric car, 1,000 miles
3.5 miles per kWh with 10% charging losses		317 kWh$48.10
Electric clothes dryer
3 kW, twelve one-hour loads		36 kWh$5.45
LED TV
100 W for 5 hours a day for 30 days		15 kWh$2.27

Thermostat-controlled appliances cycle on and off, so real use is often lower. Price your own appliance.

Rooftop solar in South Dakota

A 1 kW rooftop system near Sioux Falls produces about 1,409 kWh a year, according to the NLR PVWatts model. At South Dakota's average price that output is worth about $213 a year per kW. A typical 7 kW system would make about 9,862 kWh, worth about $1,494 a year.

The 30% federal tax credit for solar you buy (Section 25D) ended on December 31, 2025. Work out payback with your own quote.

Estimate your South Dakota bill

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Your estimateSouth Dakota

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South Dakota compared with the Midwest

StatePriceAverage bill
North Dakota13.31¢$133
Nebraska13.54¢$122
South Dakota15.15¢$140
Kansas15.47¢$134
Missouri16.02¢$145
Indiana17.02¢$157
Iowa17.06¢$120
Minnesota17.20¢$121
Illinois19.32¢$132
Ohio19.38¢$159
Wisconsin19.41¢$125
Michigan22.99¢$134

Source: U.S. Energy Information Administration (EIA), residential retail sales, latest month August 2026. Average bill and usage: 12 months to August 2026, computed from EIA revenue, sales and customer counts.

Solar: PVWatts v8 by the National Laboratory of the Rockies, 1 kW fixed roof system, 20° tilt, facing south, 14% losses.

How we calculate. Page updated 2026-11-15.