Average Electric Bill

Rates by state / South Dakota

Residential electricity · updated July 2026

Average electric bill in South Dakota

The average South Dakota home paid 14.2¢ per kWh and about $140 a month over the 12 months to July 2026, according to U.S. Energy Information Administration data. That rate is 21% below the U.S. average of 18.0¢, the 36th highest of 50 states and D.C.

Average rate

14.2¢/kWh

12 months to Jul 2026. Latest month 15.4¢.

Average bill

$140/mo

Average use × average rate

Average use

986kWh/mo

Per residential customer

1-year change

+7.6%

5 years: +16.9%

South Dakota electric bills by month

What the average residential customer actually paid each month: total residential revenue ÷ customers. Source: EIA.

MonthAvg useAvg rateAvg bill
July 20261,146 kWh15.4¢$176
June 2026868 kWh15.4¢$133
May 2026805 kWh15.7¢$127
April 2026885 kWh14.5¢$129
March 20261,006 kWh14.3¢$144
February 20261,113 kWh13.2¢$147
January 20261,269 kWh13.6¢$173
December 20251,174 kWh12.5¢$147
November 2025877 kWh13.8¢$121
October 2025814 kWh14.1¢$115
September 2025853 kWh14.8¢$126
August 20251,029 kWh14.0¢$144

Typical bill by home size in South Dakota

Monthly use of typical homes, all household sizes, priced at South Dakota's average rate of 14.2¢. Source: EIA RECS 2020 and EIA retail sales.

Home sizeTypical useMost homesTypical bill
Under 1,000 sq ft478 kWh303–727 kWh$68
1,000–1,499 sq ft678 kWh471–970 kWh$96
1,500–1,999 sq ft848 kWh599–1,189 kWh$120
2,000–2,999 sq ft995 kWh737–1,384 kWh$141
3,000+ sq ft1,276 kWh943–1,847 kWh$181

Summer and winter months run higher than these yearly averages. Check your own bill to compare a specific month.

Apartment electric bills in South Dakota · Electric bill for one person in South Dakota

What uses the most electricity in South Dakota homes

Average yearly use by purpose for South Dakota homes, priced at 14.2¢ per kWh. Source: EIA RECS 2020 (183 surveyed homes).

UsekWh / yr≈ $ / mo
Space heating2,239 (21%)$26
Everything else plugged in1,600 (15%)$19
Water heating1,467 (14%)$17
Air conditioning1,404 (13%)$17
Refrigerators and freezers1,226 (11%)$15
Lighting652 (6%)$8
Washer and dryer586 (5%)$7
TVs and electronics570 (5%)$7
Cooking and dishwasher482 (4%)$6
Fans and dehumidifiers382 (4%)$5
Pool and hot tub172 (2%)$2

Why is my electric bill so high?

Monthly rate, last 5 years

10.012.515.017.520.020222023202420252026¢/kWh
South DakotaU.S. average

Monthly prices swing with the season because fixed charges are spread over fewer or more kWh.

How much electricity South Dakota homes use

6008001,0001,2001,4001,60020222023202420252026kWh
kWh per home per month

Electricity rates by utility in South Dakota

Average residential revenue per kWh in 2025, largest 21 of 21 by customers. Source: EIA-861.

UtilityCustomersRateAvg use / mo1-yr change
Northern States Power Co - Minnesota94,13713.1¢771 kWh-5.3%
Black Hills Power, Inc.67,60815.1¢700 kWh+5.2%
NorthWestern Energy - (SD)51,78713.3¢939 kWh+6.3%
Sioux Valley SW Elec Coop22,98913.9¢1,265 kWh+7.7%
Southeastern Electric Coop Inc - (SD)20,95913.0¢1,167 kWh+4.6%
West River Electric Assn Inc18,97515.2¢896 kWh+6.4%
Watertown Municipal Utilities11,7759.3¢886 kWh-0.1%
City of Brookings - (SD)10,76910.7¢880 kWh-3.9%
Black Hills Electric Coop, Inc9,41514.8¢1,122 kWh+0.2%
Otter Tail Power Co9,09411.4¢1,080 kWh+4.5%
Central Electric Coop, Inc - (SD)6,51514.7¢1,537 kWh+7.6%
Montana-Dakota Utilities Co6,34813.0¢852 kWh-11.0%
City of Pierre - (SD)6,18310.9¢902 kWh+2.7%
Northern Electric Coop, Inc5,82311.4¢2,094 kWh+1.2%
Rosebud Electric Coop Inc4,91111.9¢1,154 kWh+11.8%
MidAmerican Energy Co4,2368.9¢1,117 kWh+2.5%
Dakota Energy Coop Inc3,23116.3¢1,694 kWh+6.4%
City of Madison - (SD)2,81812.4¢1,057 kWh+8.0%
Oahe Electric Coop Inc2,33510.5¢1,612 kWh–
City of Volga - (SD)1,09412.8¢929 kWh-0.1%
Nebraska Public Power District1,04710.1¢1,234 kWh+3.6%

South Dakota electricity: common questions

What is the average electric bill in South Dakota?
The average South Dakota household pays about $140 a month for electricity, based on 986 kWh of use at 14.2¢ per kWh over the 12 months to July 2026 (U.S. Energy Information Administration data).
How much does electricity cost per kWh in South Dakota?
Residential electricity in South Dakota averaged 14.2¢ per kWh over the 12 months to July 2026, and 15.4¢ in July 2026 alone. That is 21% below the U.S. average of 18.0¢, the 36th highest of the 50 states and D.C. These averages spread fixed service charges and surcharges over each kWh. Sales taxes added to bills may not be included.
When are electric bills highest in South Dakota?
In the last 12 months, the average South Dakota bill peaked in July 2026 at $176 and was lowest in October 2025 at $115.
How much electricity does a 1,500–1,999 sq ft home use in South Dakota?
A typical South Dakota home of 1,500–1,999 square feet uses about 848 kWh a month, and most use between 599 and 1,189 kWh. At the state's average rate that is roughly $120 a month. Based on EIA's Residential Energy Consumption Survey (RECS 2020).
Are electricity rates going up in South Dakota?
South Dakota's average residential rate changed +7.6% compared with the previous 12 months and +16.9% over five years.
What uses the most electricity in South Dakota homes?
In a typical South Dakota home, space heating uses the most electricity (about 2,239 kWh a year, 21% of the total), followed by everything else plugged in (15%) and water heating (14%). Homes heated with electricity use about 13,939 kWh a year, compared with 9,751 kWh for homes heated another way. Source: EIA RECS 2020.
How do I know if my South Dakota electric bill is too high?
Compare two things: how many kWh you used against similar homes, and what you paid per kWh against the state average. The free bill check on AverageElectricBill.com does both from the numbers on your bill, adjusting for the month and your home's size.

States with similar rates

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