How much does an electric blanket cost to run in Washington?

$3.63 a month while in use, November to March

A day of use
$0.12
An hour of running
$0.01
A year (season only)
$18.01

100 W, 8 hours a night at full power (double size), November to March, at Washington’s average rate of 14.9¢ per kWh (EIA, June 2026). How we calculate this

Change the watts, hours or rate
I know the appliance's

What it costs at other usage levels

Electric blanket at 100 W and 14.9¢ per kWh, November to March
UseA dayA month in useA year
1 hour a day$0.01$0.45$2.25
2 hours a day$0.03$0.91$4.50
4 hours a day$0.06$1.81$9.01
8 hours a day typical$0.12$3.63$18.01
24 hours a day$0.36$10.88$54.03
Monthly cost of an electric blanket in Washington, nearby states and the USWashington: $3.63; Idaho: $3.50; Oregon: $3.97; US average: $4.46Washington$3.63Idaho$3.50Oregon$3.97US average$4.46

Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source.

Washington compared with other states

CheapestMost expensive

Washington’s residential rate is the 13th cheapest of 51 states and DC, 3.4¢ below the US average of 18.3¢ (−19%). Washington’s rate is up 2.0¢ from June 2025 (13.0¢, +15.0%).

Ways to spend less

  • Warm the bed for 30 minutes before you get in, then switch it off or to low. Saves about $3.40 a month in season.
  • Use the timer so it doesn't run all night.
  • Pair it with a lower thermostat setting overnight; that is where the real saving is.

Questions

How much does it cost to run an electric blanket per hour?

About $0.01 an hour in Washington. An electric blanket at 100 W uses 0.100 kWh per hour, and at Washington’s average of 14.9¢ per kWh that comes to $0.01.

How much does an electric blanket add to your electric bill?

Used 8 hours a night at full power (double size), November to March, about $3.63 a month while it is in use in Washington, or $18.01 a year across the November to March season.

How much does it cost to run an electric blanket 24 hours a day?

Running nonstop, an electric blanket would use 2.40 kWh a day and cost $0.36 a day, or $10.88 over an average month in Washington.

How many watts does an electric blanket use?

Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source. Check the label on yours: cost scales directly with watts, so a 20% lower wattage means a 20% lower bill.

Why does an electric blanket cost more or less to run in Washington than elsewhere?

Washington’s residential rate is the 13th cheapest of 51 states and DC, 3.4¢ below the US average of 18.3¢ (−19%). Washington’s rate is up 2.0¢ from June 2025 (13.0¢, +15.0%). The appliance uses the same energy everywhere; only the price per kWh changes.

Sources

Usage assumptions (hours a day, season) are ours and listed on the methodology page. Found an error? Tell us.