How much does a hot tub cost per month in South Dakota?

About $32.00 a month, assuming 2,500 kWh a year at 15.36¢/kWh.

How many kilowatt-hours does a hot tub use?

Roughly 2,500 kWh a year under these assumptions.

Is that expensive compared with other states?

South Dakota has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $458 a year.

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Cost to run a hot tub in South Dakota (June 2026 rates)

At 15.36¢ per kilowatt-hour — South Dakota's average residential price in June 2026 — running a hot tub costs $384 a year. That is 16% less than the national average of $458. South Dakota's residential rate is up 8.0% from June 2025, which moves this appliance from $356 to $384 a year.

Per day: $1.05
Per month: $32.00
Per year: $384

Assumption: 2,500 kWh a year. A well-insulated 400-gallon tub held at 100 F year-round in a moderate climate. A poorly insulated tub in a cold climate can double this. Use the calculator to swap in the numbers from your own model.

How South Dakota compares

South Dakota pays 15.36¢/kWh, the 19th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $74.50 less a year than the typical U.S. household pays for the same use. Running the same hot tub costs $328 a year in Nevada and $1,318 in Hawaii, so where you live changes this bill by $990 a year.

State	Rate	Per month	Per year
Arizona	15.18¢	$31.62	$380
Wyoming	15.24¢	$31.75	$381
South Dakota	15.36¢	$32.00	$384
West Virginia	15.45¢	$32.19	$386
South Carolina	15.55¢	$32.40	$389

States ranked by average residential price, cheapest first. See all 51 states for a hot tub.

What else costs about the same in South Dakota

Central air conditioner$361 a year in SD Heat pump$332 a year in SD Pool pump$265 a year in SD

Cutting the number down

A good cover is the whole ballgame. Most of the energy replaces heat lost from the surface, not heat delivered to people.
Holding temperature usually beats cooling down and reheating, because reheating a large mass of water is expensive.
A waterlogged cover has lost its insulation value and quietly doubles the standing loss.

Questions

How much does a hot tub cost per month in South Dakota?: About $32.00 a month, assuming 2,500 kWh a year at 15.36¢/kWh.
How many kilowatt-hours does a hot tub use?: Roughly 2,500 kWh a year under these assumptions.
Is that expensive compared with other states?: South Dakota has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $458 a year.