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

About 64.7¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 18.48¢/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?

Delaware has the 19th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $7.69 a year.

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

At 18.48¢ per kilowatt-hour — Delaware's average residential price in July 2026 — running a rice cooker costs $7.76 a year. That is about the same as the national average. Delaware's residential rate is up 11.5% from July 2025, which moves this appliance from $6.96 to $7.76 a year.

Per hour: 5.2¢
Per day of use: 3.9¢
Per month: 64.7¢
Per year: $7.76

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 Delaware compares

Delaware pays 18.48¢/kWh, the 19th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 7.1¢ more 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
Minnesota	17.45¢	61.1¢	$7.33
Virginia	17.55¢	61.4¢	$7.37
Delaware	18.48¢	64.7¢	$7.76
Wisconsin	19.06¢	66.7¢	$8.01
Illinois	19.22¢	67.3¢	$8.07

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

What else costs about the same in Delaware

Electric pressure cooker$7.76 a year in DE Electric lawn mower$7.69 a year in DE Security camera$8.09 a year in DE

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 Delaware?: About 64.7¢ a month, assuming 700 W at a 40% duty cycle, 45 minutes a day, 200 days a year at 18.48¢/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?: Delaware has the 19th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $7.69 a year.