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How much does it cost to run a rice cooker?
At the U.S. average residential price of 18.16¢ per kilowatt-hour (August 2026), running a rice cooker costs about $7.63 a year. Your own bill depends on your state's rate, which ranges from 12.72¢ to 47.18¢ across the country.
- Per hour
- 5.1¢
- Per day of use
- 3.8¢
- Per month
- 63.6¢
- Per year
- $7.63
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.
Cost by state
Same appliance, same usage, 51 different prices. Sorted cheapest first.
| State | Rate | Per month | Per year |
|---|---|---|---|
| Nevada | 12.72¢ | 44.5¢ | $5.34 |
| Louisiana | 12.87¢ | 45.0¢ | $5.41 |
| North Dakota | 13.31¢ | 46.6¢ | $5.59 |
| Utah | 13.31¢ | 46.6¢ | $5.59 |
| Idaho | 13.37¢ | 46.8¢ | $5.62 |
| Tennessee | 13.42¢ | 47.0¢ | $5.64 |
| Nebraska | 13.54¢ | 47.4¢ | $5.69 |
| Kentucky | 13.80¢ | 48.3¢ | $5.80 |
| Arkansas | 14.37¢ | 50.3¢ | $6.04 |
| 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 |
| Florida | 14.99¢ | 52.5¢ | $6.30 |
| Arizona | 15.05¢ | 52.7¢ | $6.32 |
| South Dakota | 15.15¢ | 53.0¢ | $6.36 |
| Kansas | 15.47¢ | 54.1¢ | $6.50 |
| Montana | 15.57¢ | 54.5¢ | $6.54 |
| South Carolina | 15.76¢ | 55.2¢ | $6.62 |
| Georgia | 15.90¢ | 55.6¢ | $6.68 |
| Texas | 15.91¢ | 55.7¢ | $6.68 |
| Oregon | 15.92¢ | 55.7¢ | $6.69 |
| Missouri | 16.02¢ | 56.1¢ | $6.73 |
| West Virginia | 16.31¢ | 57.1¢ | $6.85 |
| Alabama | 16.33¢ | 57.2¢ | $6.86 |
| New Mexico | 16.51¢ | 57.8¢ | $6.93 |
| Indiana | 17.02¢ | 59.6¢ | $7.15 |
| Iowa | 17.06¢ | 59.7¢ | $7.17 |
| Colorado | 17.17¢ | 60.1¢ | $7.21 |
| Minnesota | 17.20¢ | 60.2¢ | $7.22 |
| Virginia | 17.64¢ | 61.7¢ | $7.41 |
| Delaware | 18.70¢ | 65.4¢ | $7.85 |
| Illinois | 19.32¢ | 67.6¢ | $8.11 |
| Ohio | 19.38¢ | 67.8¢ | $8.14 |
| Wisconsin | 19.41¢ | 67.9¢ | $8.15 |
| Maryland | 21.40¢ | 74.9¢ | $8.99 |
| Pennsylvania | 21.77¢ | 76.2¢ | $9.14 |
| Michigan | 22.99¢ | 80.5¢ | $9.66 |
| Vermont | 23.84¢ | 83.4¢ | $10.01 |
| Connecticut | 24.51¢ | 85.8¢ | $10.29 |
| New Jersey | 24.61¢ | 86.1¢ | $10.34 |
| District of Columbia | 25.98¢ | 90.9¢ | $10.91 |
| New Hampshire | 27.64¢ | 96.7¢ | $11.61 |
| Rhode Island | 28.18¢ | 98.6¢ | $11.84 |
| New York | 28.65¢ | $1.00 | $12.03 |
| Alaska | 29.41¢ | $1.03 | $12.35 |
| California | 29.75¢ | $1.04 | $12.49 |
| Massachusetts | 30.48¢ | $1.07 | $12.80 |
| Maine | 32.11¢ | $1.12 | $13.49 |
| Hawaii | 47.18¢ | $1.65 | $19.82 |
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 many watts does a rice cooker use?
- About 700 W while running, though it cycles on and off, so average draw is 280 W.
- How much does a rice cooker cost per month?
- About 63.6¢ a month at the U.S. average rate, or $7.63 a year.
- Where is it cheapest to run?
- Nevada, at $5.34 a year, versus $19.82 in Hawaii — a spread of $14.47.