Electricity rates in Idaho
Households in Idaho paid an average of 13.73¢ per kilowatt-hour in July 2026. That is 25% below the national average of 18.31¢, and the 6th cheapest of the 51 U.S. jurisdictions. Year over year the rate is up 11.8%.
- Average rate
- 13.73¢
- A year ago
- 12.28¢
- U.S. average
- 18.31¢
- Rank
- 6th cheapest
What common appliances cost in Idaho
Every figure below is this state's rate applied to a stated usage assumption. Follow any row for the full breakdown.
| Appliance | kWh/year | Per month | Per year |
|---|---|---|---|
| Electric car | 3,800 | $43.48 | $522 |
| Electric water heater | 3,500 | $40.05 | $481 |
| Hot tub | 2,500 | $28.60 | $343 |
| Central air conditioner | 2,352 | $26.91 | $323 |
| Heat pump | 2,160 | $24.71 | $297 |
| Pool pump | 1,728 | $19.77 | $237 |
| Electric baseboard heater | 1,350 | $15.45 | $185 |
| Garage refrigerator | 900 | $10.30 | $124 |
| Space heater | 864 | $9.89 | $119 |
| Portable air conditioner | 845 | $9.67 | $116 |
| Electric clothes dryer | 780 | $8.92 | $107 |
| Window air conditioner | 691 | $7.91 | $94.90 |
| Aquarium | 591 | $6.77 | $81.19 |
| Gaming pc | 584 | $6.68 | $80.18 |
| Well pump | 548 | $6.26 | $75.17 |
| Dehumidifier | 540 | $6.18 | $74.14 |
| Air purifier | 438 | $5.01 | $60.14 |
| Refrigerator | 400 | $4.58 | $54.92 |
| Desktop computer | 400 | $4.58 | $54.92 |
| Electric oven | 333 | $3.81 | $45.69 |
| Dishwasher | 312 | $3.57 | $42.84 |
| Chest freezer | 300 | $3.43 | $41.19 |
| Game console | 219 | $2.51 | $30.07 |
| Coffee maker | 164 | $1.88 | $22.55 |
| 55-inch led tv | 164 | $1.88 | $22.55 |
| Washing machine | 130 | $1.49 | $17.85 |
| Air fryer | 126 | $1.44 | $17.30 |
| Laptop | 120 | $1.37 | $16.48 |
| Box fan | 112 | $1.29 | $15.45 |
| Electric kettle | 110 | $1.25 | $15.03 |
| Microwave | 110 | $1.25 | $15.03 |
| Incandescent bulb | 110 | $1.25 | $15.03 |
| Treadmill | 105 | $1.20 | $14.42 |
| Slow cooker | 96 | $1.10 | $13.18 |
| Hair dryer | 94 | $1.08 | $12.97 |
| Wi-fi router | 88 | $1.00 | $12.03 |
| Ceiling fan | 86 | 98.9¢ | $11.86 |
| 3d printer | 65 | 74.1¢ | $8.90 |
| Computer monitor | 60 | 68.7¢ | $8.24 |
| Security camera | 44 | 50.1¢ | $6.01 |
| Electric pressure cooker | 42 | 48.1¢ | $5.77 |
| Rice cooker | 42 | 48.1¢ | $5.77 |
| Electric lawn mower | 42 | 47.6¢ | $5.71 |
| Electric blanket | 38 | 43.9¢ | $5.27 |
| Vacuum cleaner | 36 | 41.2¢ | $4.94 |
| Toaster | 35 | 40.1¢ | $4.81 |
| Smart speaker | 26 | 30.1¢ | $3.61 |
| Clothes iron | 16 | 18.9¢ | $2.27 |
| Led bulb | 16 | 18.8¢ | $2.26 |
| String of christmas lights | 7 | 7.7¢ | 92.7¢ |
The largest single line item on this list in Idaho is an electric car at $522 a year. The whole list together comes to $3,874 a year, though few households run all of them.
The average Idaho household's bill was $108.73 a month in 2024. Why it is that number.
The same figures come as a printable Idaho Home Energy Cost Workbook, with worksheets for auditing and tracking your own usage. See what is in it — the California edition is free to download.
Questions
- What is the average electricity rate in Idaho?
- 13.73¢ per kilowatt-hour for residential customers in July 2026, according to EIA's Electric Power Monthly.
- Is electricity expensive in Idaho?
- It ranks 6th cheapest of 51 U.S. jurisdictions, 25% below the national average.
- Why is my bill higher than this rate suggests?
- This is a statewide average of what customers actually paid, so it already blends in fixed charges and taxes across all utilities and plans. Your own utility, rate plan, time-of-use period and tier can each move you well away from the average.