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

About 51.2¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 14.63¢/kWh.

How many kilowatt-hours does a rice cooker use?

Roughly 42 kWh a year under these assumptions, or 0.28 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 $7.63 a year.

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

At 14.63¢ per kilowatt-hour — Washington's average residential price in August 2026 — running a rice cooker costs $6.14 a year. That is 19% less than the national average of $7.63. Washington's residential rate is up 7.2% from August 2025, which moves this appliance from $5.73 to $6.14 a year.

Per hour: 4.1¢
Per day of use: 3.1¢
Per month: 51.2¢
Per year: $6.14

Assumption: 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year — 42 kWh a year. Full draw while heating, then a low-power keep-warm hold. 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 $1.48 less a year than the typical U.S. household pays for the same use. Running the same rice cooker costs $5.34 a year in Nevada and $19.82 in Hawaii, so where you live changes this bill by $14.47 a year.

State	Rate	Per month	Per year
Mississippi	14.43¢	50.5¢	$6.06
Wyoming	14.43¢	50.5¢	$6.06
Washington	14.63¢	51.2¢	$6.14
Oklahoma	14.82¢	51.9¢	$6.22
North Carolina	14.95¢	52.3¢	$6.28

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

What else costs about the same in Washington

Electric pressure cooker$6.14 a year in WA Electric lawn mower$6.09 a year in WA Security camera$6.41 a year in WA

Cutting the number down

Keep-warm is a small draw that runs for hours. Switching it off once the rice is done is the only real lever here.

Questions

How much does a rice cooker cost per month in Washington?: About 51.2¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 14.63¢/kWh.
How many kilowatt-hours does a rice cooker use?: Roughly 42 kWh a year under these assumptions, or 0.28 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 $7.63 a year.