Cost to run appliances in Idaho
Electricity in Idaho averages 12.96¢ per kWh.
That's about 29% less than the U.S. average (18.19¢), ranking 3 of 51 from cheapest. The most recent month, July 2026, averaged 13.73¢.
| Appliance (typical use) | Per hour | Per month |
|---|---|---|
| Heating | ||
| Space heater | $0.19 | $46.66 |
| Oil-filled radiator | $0.19 | $46.66 |
| Baseboard heater | $0.19 | $46.66 |
| Electric blanket | 1¢ | $3.11 |
| Heated mattress pad | 1¢ | $2.80 |
| Electric fireplace | $0.19 | $23.33 |
| Heat pump (whole house) | $0.45 | $109 |
| Holiday | ||
| LED Christmas lights (10 strands) | 1¢ | $1.63 |
| Incandescent Christmas lights (10 strands) | 5¢ | $9.33 |
| Inflatable yard decoration | 2¢ | $3.50 |
| Home | ||
| Hot tub | 3¢ | $23.33 |
| Dehumidifier | 6¢ | $23.33 |
| Humidifier | 1¢ | $3.89 |
| Sump pump | $0.10 | $3.11 |
| Kitchen | ||
| Air fryer | $0.19 | $2.92 |
| Electric oven | $0.39 | $11.66 |
| Slow cooker | 3¢ | $6.22 |
| Instant Pot (electric pressure cooker) | $0.13 | $1.94 |
| Microwave | $0.14 | $1.07 |
| Coffee maker | $0.13 | $0.97 |
| Refrigerator | 1¢ | $5.60 |
| Chest freezer | 1¢ | $3.73 |
| Dishwasher | $0.23 | $7.00 |
| Laundry | ||
| Clothes dryer | $0.39 | $11.66 |
| Washing machine | 6¢ | $1.94 |
| Electric water heater | $0.58 | $52.49 |
| Cooling | ||
| Window air conditioner | $0.12 | $27.99 |
| Central air conditioner | $0.45 | $109 |
| Ceiling fan | 1¢ | $1.56 |
| Electronics | ||
| TV | 1¢ | $1.94 |
| Gaming PC | 5¢ | $6.22 |
| PlayStation 5 | 3¢ | $2.33 |
| Xbox Series X | 2¢ | $1.87 |
| Wi-Fi router | 0¢ | $0.93 |
| Car | ||
| EV charging (Level 2) | $0.93 | $55.99 |
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.