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

About $1.04 a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 29.59¢/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?

Maine has the 4th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $7.70 a year.

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Cost to run a rice cooker in Maine (June 2026 rates)

At 29.59¢ per kilowatt-hour — Maine's average residential price in June 2026 — running a rice cooker costs $12.43 a year. That is 61% more than the national average of $7.70. Maine's residential rate is up 5.2% from June 2025, which moves this appliance from $11.82 to $12.43 a year.

Per hour: 8.3¢
Per day of use: 6.2¢
Per month: $1.04
Per year: $12.43

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 Maine compares

Maine pays 29.59¢/kWh, the 4th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.72 more a year than the typical U.S. household pays for the same use. Running the same rice cooker costs $5.51 a year in Nevada and $22.14 in Hawaii, so where you live changes this bill by $16.64 a year.

State	Rate	Per month	Per year
Rhode Island	29.23¢	$1.02	$12.28
New York	29.49¢	$1.03	$12.39
Maine	29.59¢	$1.04	$12.43
Massachusetts	29.61¢	$1.04	$12.44
California	34.74¢	$1.22	$14.59

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

What else costs about the same in Maine

Electric pressure cooker$12.43 a year in ME Electric lawn mower$12.31 a year in ME Security camera$12.96 a year in ME

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 Maine?: About $1.04 a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 29.59¢/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?: Maine has the 4th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $7.70 a year.