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Electricity rates in South Dakota

Homes in South Dakota pay an average of 15.36¢ per kWh, 16% below the national average of 18.34¢. Enter your bill to see where you stand.

South Dakota average: 15.36¢/kWh
Avg monthly bill: $149
Past 12 months: +8.0%

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How South Dakota electricity prices compare

South Dakota ranks 19th cheapest of 51 (50 states plus D.C.) for residential electricity. At 15.36¢/kWh, it sits 16% below the national average of 18.34¢, and prices are up 8.0% over the past year.

The typical South Dakota household uses about 970 kWh a month and pays around $149. Among Midwest states, Nebraska and North Dakota have lower rates.

Rate: 15.36¢
vs U.S.: −16%
Avg usage: 970 kWh
National rank: 19th

To find your own rate, divide your total bill by the kWh you used. If you paid $149 for 970 kWh, you're right at the South Dakota average.

Can you choose your electricity provider in South Dakota?

No. South Dakota is a regulated market: Black Hills Energy, Xcel Energy and NorthWestern Energy both deliver and sell your power, and rates are set by the state utility commission. You can't switch supplier, but you can change how you pay, for example with a time-of-use plan, budget billing or efficiency upgrades.

Main electric utilities in South Dakota

Most South Dakota homes are served by Black Hills Energy, Xcel Energy and NorthWestern Energy. Your utility's name and account number are near the top of your bill.

How to lower your electric bill in South Dakota

Ask your utility about time-of-use pricing. Shifting laundry, dishwashing and EV charging to off-peak hours can cut 5–15%.
Tackle heating and cooling first. A smart thermostat and sealed air leaks usually save more than any other single change.
Check for assistance programs. LIHEAP and utility discount programs can lower bills for eligible households.

South Dakota electricity FAQ

What is the average electricity rate in South Dakota?

The average residential rate in South Dakota is 15.36 cents per kWh as of September 2026, 16% below the national average of 18.34¢.

What is the average electric bill in South Dakota?

About $149 per month, based on average use of roughly 970 kWh.

Can I switch electricity providers in South Dakota?

No. South Dakota is regulated, so your utility sells and delivers your power.

Who are the main electric utilities in South Dakota?

The main utilities in South Dakota are Black Hills Energy, Xcel Energy and NorthWestern Energy.

Compare other Midwest states

Averages are EIA residential revenue divided by kWh sold, September 2026. Your rate depends on your utility, plan and season. See all 50 states.