How much does a slow cooker cost per month in Washington?

About $1.17 a month, assuming 200 W, 8 hours a day, 60 days a year at 14.63¢/kWh.

How many kilowatt-hours does a slow cooker use?

Roughly 96 kWh a year under these assumptions, or 0.20 kWh for every hour it runs.

Is that expensive compared with other states?

Washington has the 12th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $17.43 a year.

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Cost to run a slow cooker in Washington (August 2026 rates)

At 14.63¢ per kilowatt-hour — Washington's average residential price in August 2026 — running a slow cooker costs $14.04 a year. That is 19% less than the national average of $17.43. Washington's residential rate is up 7.2% from August 2025, which moves this appliance from $13.10 to $14.04 a year.

Per hour: 2.9¢
Per day of use: 23.4¢
Per month: $1.17
Per year: $14.04

Assumption: 200 W, 8 hours a day, 60 days a year — 96 kWh a year. A 6-quart cooker on low. Eight hours at 200 W is less energy than one hour of oven time. Use the calculator to swap in the numbers from your own model.

How Washington compares

Washington pays 14.63¢/kWh, the 12th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $3.39 less a year than the typical U.S. household pays for the same use. Running the same slow cooker costs $12.21 a year in Nevada and $45.29 in Hawaii, so where you live changes this bill by $33.08 a year.

State	Rate	Per month	Per year
Mississippi	14.43¢	$1.15	$13.85
Wyoming	14.43¢	$1.15	$13.85
Washington	14.63¢	$1.17	$14.04
Oklahoma	14.82¢	$1.19	$14.23
North Carolina	14.95¢	$1.20	$14.35

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

What else costs about the same in Washington

Hair dryer$13.83 a year in WA Wi-fi router$12.82 a year in WA Treadmill$15.36 a year in WA

Cutting the number down

Long and low is genuinely cheap: the whole point is a small element holding a well-insulated pot, not a big element fighting a big cavity.
Lifting the lid to peek costs 15 to 20 minutes of added cooking time each go.

Questions

How much does a slow cooker cost per month in Washington?: About $1.17 a month, assuming 200 W, 8 hours a day, 60 days a year at 14.63¢/kWh.
How many kilowatt-hours does a slow cooker use?: Roughly 96 kWh a year under these assumptions, or 0.20 kWh for every hour it runs.
Is that expensive compared with other states?: Washington has the 12th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $17.43 a year.