How much does an electric blanket cost per month in Montana?

About 49.8¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 15.57¢/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?

Montana has the 19th 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 Montana (August 2026 rates)

At 15.57¢ per kilowatt-hour — Montana's average residential price in August 2026 — running an electric blanket costs $5.98 a year. That is 14% less than the national average of $6.97. Montana's residential rate is up 9.0% from August 2025, which moves this appliance from $5.49 to $5.98 a year.

Per hour: 0.6¢
Per day of use: 5.0¢
Per month: 49.8¢
Per year: $5.98

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 Montana compares

Montana pays 15.57¢/kWh, the 19th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 99.5¢ 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
South Dakota	15.15¢	48.5¢	$5.82
Kansas	15.47¢	49.5¢	$5.94
Montana	15.57¢	49.8¢	$5.98
South Carolina	15.76¢	50.4¢	$6.05
Georgia	15.90¢	50.9¢	$6.11

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

What else costs about the same in Montana

Vacuum cleaner$5.61 a year in MT Electric lawn mower$6.48 a year in MT Toaster$5.46 a year in MT

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 Montana?: About 49.8¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 15.57¢/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?: Montana has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $6.97 a year.