Cost to run appliances in Hawaii
Electricity in Hawaii averages 46.28¢ per kWh.
That's about 154% more than the U.S. average (18.19¢), ranking 51 of 51 from cheapest. The most recent month, July 2026, averaged 48.00¢.
| Appliance (typical use) | Per hour | Per month |
|---|---|---|
| Heating | ||
| Space heater | $0.69 | $167 |
| Oil-filled radiator | $0.69 | $167 |
| Baseboard heater | $0.69 | $167 |
| Electric blanket | 5¢ | $11.11 |
| Heated mattress pad | 4¢ | $10.00 |
| Electric fireplace | $0.69 | $83.30 |
| Heat pump (whole house) | $1.62 | $389 |
| Holiday | ||
| LED Christmas lights (10 strands) | 3¢ | $5.83 |
| Incandescent Christmas lights (10 strands) | $0.19 | $33.32 |
| Inflatable yard decoration | 7¢ | $12.50 |
| Home | ||
| Hot tub | $0.12 | $83.30 |
| Dehumidifier | $0.23 | $83.30 |
| Humidifier | 5¢ | $13.88 |
| Sump pump | $0.37 | $11.11 |
| Kitchen | ||
| Air fryer | $0.69 | $10.41 |
| Electric oven | $1.39 | $41.65 |
| Slow cooker | 9¢ | $22.21 |
| Instant Pot (electric pressure cooker) | $0.46 | $6.94 |
| Microwave | $0.51 | $3.82 |
| Coffee maker | $0.46 | $3.47 |
| Refrigerator | 3¢ | $19.99 |
| Chest freezer | 2¢ | $13.33 |
| Dishwasher | $0.83 | $24.99 |
| Laundry | ||
| Clothes dryer | $1.39 | $41.65 |
| Washing machine | $0.23 | $6.94 |
| Electric water heater | $2.08 | $187 |
| Cooling | ||
| Window air conditioner | $0.42 | $99.96 |
| Central air conditioner | $1.62 | $389 |
| Ceiling fan | 2¢ | $5.55 |
| Electronics | ||
| TV | 5¢ | $6.94 |
| Gaming PC | $0.19 | $22.21 |
| PlayStation 5 | 9¢ | $8.33 |
| Xbox Series X | 7¢ | $6.66 |
| Wi-Fi router | 0¢ | $3.33 |
| Car | ||
| EV charging (Level 2) | $3.33 | $200 |
Rates are average residential prices from the U.S. Energy Information Administration, January–July 2026 (EIA Electric Power Monthly). Your bill's rate may differ, so enter your own in the calculator.