Electricity cost in South Dakota
Electricity in South Dakota costs 12.86 cents per kWh (EIA, 2024), 22% less than the U.S. average. The average home bill is about $128 a month.
South Dakota vs the U.S.
Electricity in South Dakota costs 22% less than the national average of 16.48 cents per kWh. Homes there use 15% more than the national average of 863 kWh a month, so the typical bill of $128 is 10% less than the U.S. typical bill of $142 (our calculation). Prices have kept rising since: the national average reached 18.31 cents in July 2026.
| State | ¢ per kWh | Avg bill / month | Rank |
|---|---|---|---|
| Montana | 12.66 | $108 | 11 |
| Kentucky | 12.79 | $134 | 12 |
| South Dakota | 12.86 | $128 | 13 |
| Missouri | 12.91 | $129 | 14 |
| Mississippi | 13.39 | $155 | 15 |
| U.S. average | 16.48 | $142 | - |
Source: U.S. Energy Information Administration, 2024 Average Monthly Bill, Residential (Electric Sales, Revenue, and Average Price, Table 5.a), released Oct 7, 2025. Bills and EV costs are our calculation (price × use; 310 kWh per 1,000 miles from fueleconomy.gov). Your utility's rates and fees may differ.
Ways to use this number
Compare it with the rate on your own bill, check what a new heat pump or furnace would cost to run before an HVAC replacement, or see whether an EV beats gas in South Dakota. For every monthly bill in one place, read our average utility bill guide or grab the free monthly budget planner.
Common questions
How much is electricity in South Dakota?
Homes in South Dakota paid an average of 12.86 cents per kWh in 2024, per the U.S. Energy Information Administration. That ranks 13 of 51 (1 = cheapest).
What is the average electric bill in South Dakota?
With average use of 994 kWh a month, the bill comes to about $128 a month, or $1,534 a year (our calculation from EIA data).
How much does it cost to charge an EV in South Dakota?
About $40 per 1,000 miles charging at home, using 31 kWh per 100 miles (2024 Chevrolet Equinox EV, fueleconomy.gov) and the South Dakota average price (our calculation).