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

About 43.9¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 13.71¢/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?

Tennessee has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.03 a year.

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Cost to run an electric blanket in Tennessee (July 2026 rates)

At 13.71¢ per kilowatt-hour — Tennessee's average residential price in July 2026 — running an electric blanket costs $5.26 a year. That is 25% less than the national average of $7.03. Tennessee's residential rate is up 3.8% from July 2025, which moves this appliance from $5.07 to $5.26 a year.

Per hour: 0.5¢
Per day of use: 4.4¢
Per month: 43.9¢
Per year: $5.26

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 Tennessee compares

Tennessee pays 13.71¢/kWh, the 5th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.77 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 Louisiana and $18.43 in Hawaii, so where you live changes this bill by $13.55 a year.

State	Rate	Per month	Per year
Utah	13.12¢	42.0¢	$5.04
North Dakota	13.41¢	42.9¢	$5.15
Tennessee	13.71¢	43.9¢	$5.26
Idaho	13.73¢	43.9¢	$5.27
Nebraska	13.78¢	44.1¢	$5.29

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

What else costs about the same in Tennessee

Vacuum cleaner$4.94 a year in TN Electric lawn mower$5.70 a year in TN Toaster$4.80 a year in TN

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 Tennessee?: About 43.9¢ a month, assuming 80 W at a 50% duty cycle, 8 hours a day, 120 days a year at 13.71¢/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?: Tennessee has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.03 a year.