How much does an electric blanket cost per month in South Dakota?

About 48.5¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 15.15¢/kWh.

How many kilowatt-hours does an electric blanket use?

Roughly 38 kWh a year under these assumptions, or 0.04 kWh for every hour it runs.

Is that expensive compared with other states?

South Dakota has the 17th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $6.97 a year.

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Cost to run an electric blanket in South Dakota (August 2026 rates)

At 15.15¢ per kilowatt-hour — South Dakota's average residential price in August 2026 — running an electric blanket costs $5.82 a year. That is 17% less than the national average of $6.97. South Dakota's residential rate is up 9.0% from August 2025, which moves this appliance from $5.34 to $5.82 a year.

Per hour: 0.6¢
Per day of use: 4.8¢
Per month: 48.5¢
Per year: $5.82

Assumption: 80 W at a 50% duty cycle, 8 hours a day, 120 days a year — 38 kWh a year. Queen-size, medium setting, thermostatic. Use the calculator to swap in the numbers from your own model.

How South Dakota compares

South Dakota pays 15.15¢/kWh, the 17th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.16 less a year than the typical U.S. household pays for the same use. Running the same electric blanket costs $4.88 a year in Nevada and $18.12 in Hawaii, so where you live changes this bill by $13.23 a year.

State	Rate	Per month	Per year
Florida	14.99¢	48.0¢	$5.76
Arizona	15.05¢	48.2¢	$5.78
South Dakota	15.15¢	48.5¢	$5.82
Kansas	15.47¢	49.5¢	$5.94
Montana	15.57¢	49.8¢	$5.98

States ranked by average residential price, cheapest first. See all 51 states for an electric blanket.

What else costs about the same in South Dakota

Vacuum cleaner$5.45 a year in SD Electric lawn mower$6.30 a year in SD Toaster$5.31 a year in SD

Cutting the number down

Heating the bed instead of the bedroom is one of the best ratios of comfort to kilowatt-hours in the house.
Preheating for 15 minutes and switching off at bedtime captures most of the benefit for a fraction of the runtime.

Questions

How much does an electric blanket cost per month in South Dakota?: About 48.5¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 15.15¢/kWh.
How many kilowatt-hours does an electric blanket use?: Roughly 38 kWh a year under these assumptions, or 0.04 kWh for every hour it runs.
Is that expensive compared with other states?: South Dakota has the 17th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $6.97 a year.