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

About 52.5¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 14.99¢/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?

Montana has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.69 a year.

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Cost to run a rice cooker in Montana (July 2026 rates)

At 14.99¢ per kilowatt-hour — Montana's average residential price in July 2026 — running a rice cooker costs $6.30 a year. That is 18% less than the national average of $7.69. Montana's residential rate is up 5.0% from July 2025, which moves this appliance from $5.99 to $6.30 a year.

Per hour: 4.2¢
Per day of use: 3.1¢
Per month: 52.5¢
Per year: $6.30

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 Montana compares

Montana pays 14.99¢/kWh, the 14th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.39 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 Louisiana and $20.16 in Hawaii, so where you live changes this bill by $14.82 a year.

State	Rate	Per month	Per year
Mississippi	14.54¢	50.9¢	$6.11
Washington	14.71¢	51.5¢	$6.18
Montana	14.99¢	52.5¢	$6.30
Florida	15.03¢	52.6¢	$6.31
North Carolina	15.16¢	53.1¢	$6.37

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

What else costs about the same in Montana

Electric pressure cooker$6.30 a year in MT Electric lawn mower$6.24 a year in MT Security camera$6.57 a year in MT

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 Montana?: About 52.5¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 14.99¢/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?: Montana has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.69 a year.