14.99¢ per kWh in Montana (July 2026)
That is about $0.15 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.
- 18% below the U.S. average of 18.31¢.
- Ranks 38 of 51 (1 = most expensive), counting the 50 states and D.C.
- 13 states (or D.C.) have cheaper home electricity than Montana.
- +5.0% compared with July 2025 (14.27¢).
What it costs to run a device in Montana
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 | $0.36 |
| 60 W | $0.009 | $2.16 |
| 100 W | $0.015 | $3.60 |
| 500 W | $0.075 | $17.99 |
| 1,000 W | $0.15 | $35.98 |
| 1,500 W | $0.22 | $53.96 |
| 5,000 W | $0.75 | $179.88 |
Monthly use at this average price
| Monthly use | Cost |
|---|---|
| 500 kWh | $74.95 |
| 750 kWh | $112.43 |
| 1,000 kWh | $149.90 |
| 1,500 kWh | $224.85 |
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.