13.73¢ per kWh in Idaho (July 2026)
That is about $0.14 for each kilowatt-hour (kWh), the unit on your electric bill (100¢ = $1). Average residential price reported by the U.S. Energy Information Administration; recent months are preliminary.
- 25% below the U.S. average of 18.31¢.
- Ranks 46 of 51 (1 = most expensive), counting the 50 states and D.C.
- 5 states (or D.C.) have cheaper home electricity than Idaho.
- +11.8% compared with July 2025 (12.28¢).
What it costs to run a device in Idaho
Find the wattage on the device's label or in its manual, then read across. Cost = watts ÷ 1,000 × hours × price per kWh.
| Wattage | Per hour | 8 h/day, 30 days |
|---|---|---|
| 10 W | $0.001 | $0.33 |
| 60 W | $0.008 | $1.98 |
| 100 W | $0.014 | $3.30 |
| 500 W | $0.069 | $16.48 |
| 1,000 W | $0.14 | $32.95 |
| 1,500 W | $0.21 | $49.43 |
| 5,000 W | $0.69 | $164.76 |
Monthly use at this average price
| Monthly use | Cost |
|---|---|
| 500 kWh | $68.65 |
| 750 kWh | $102.98 |
| 1,000 kWh | $137.30 |
| 1,500 kWh | $205.95 |
Your bill depends on your utility's rate plan, fixed monthly charges, time-of-use pricing and taxes. The average price is total residential revenue divided by electricity sold, so it is a guide, not your exact rate. Check your bill for your price per kWh.
Calculate a specific appliance
Sources and method
- Electric Power Monthly, Table 5.6.A: Average Price of Electricity to Ultimate Customers by End-Use Sector, by State, U.S. Energy Information Administration (EIA)
Residential sector, cents per kilowatthour. Recent months are preliminary EIA estimates and may be revised.
Data last checked: October 4, 2026.