Electricity rates in Montana
Households in Montana paid an average of 14.99¢ per kilowatt-hour in July 2026. That is 18% below the national average of 18.31¢, and the 14th cheapest of the 51 U.S. jurisdictions. Year over year the rate is up 5.0%.
- Average rate
- 14.99¢
- A year ago
- 14.27¢
- U.S. average
- 18.31¢
- Rank
- 14th cheapest
What common appliances cost in Montana
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 | $47.47 | $570 |
| Electric water heater | 3,500 | $43.72 | $525 |
| Hot tub | 2,500 | $31.23 | $375 |
| Central air conditioner | 2,352 | $29.38 | $353 |
| Heat pump | 2,160 | $26.98 | $324 |
| Pool pump | 1,728 | $21.59 | $259 |
| Electric baseboard heater | 1,350 | $16.86 | $202 |
| Garage refrigerator | 900 | $11.24 | $135 |
| Space heater | 864 | $10.79 | $130 |
| Portable air conditioner | 845 | $10.55 | $127 |
| Electric clothes dryer | 780 | $9.74 | $117 |
| Window air conditioner | 691 | $8.63 | $104 |
| Aquarium | 591 | $7.39 | $88.64 |
| Gaming pc | 584 | $7.30 | $87.54 |
| Well pump | 548 | $6.84 | $82.07 |
| Dehumidifier | 540 | $6.75 | $80.95 |
| Air purifier | 438 | $5.47 | $65.66 |
| Refrigerator | 400 | $5.00 | $59.96 |
| Desktop computer | 400 | $5.00 | $59.96 |
| Electric oven | 333 | $4.16 | $49.89 |
| Dishwasher | 312 | $3.90 | $46.77 |
| Chest freezer | 300 | $3.75 | $44.97 |
| Game console | 219 | $2.74 | $32.83 |
| Coffee maker | 164 | $2.05 | $24.62 |
| 55-inch led tv | 164 | $2.05 | $24.62 |
| Washing machine | 130 | $1.62 | $19.49 |
| Air fryer | 126 | $1.57 | $18.89 |
| Laptop | 120 | $1.50 | $17.99 |
| Box fan | 112 | $1.41 | $16.86 |
| Electric kettle | 110 | $1.37 | $16.41 |
| Microwave | 110 | $1.37 | $16.41 |
| Incandescent bulb | 110 | $1.37 | $16.41 |
| Treadmill | 105 | $1.31 | $15.74 |
| Slow cooker | 96 | $1.20 | $14.39 |
| Hair dryer | 94 | $1.18 | $14.17 |
| Wi-fi router | 88 | $1.09 | $13.13 |
| Ceiling fan | 86 | $1.08 | $12.95 |
| 3d printer | 65 | 80.9¢ | $9.71 |
| Computer monitor | 60 | 74.9¢ | $8.99 |
| Security camera | 44 | 54.7¢ | $6.57 |
| Electric pressure cooker | 42 | 52.5¢ | $6.30 |
| Rice cooker | 42 | 52.5¢ | $6.30 |
| Electric lawn mower | 42 | 52.0¢ | $6.24 |
| Electric blanket | 38 | 48.0¢ | $5.76 |
| Vacuum cleaner | 36 | 45.0¢ | $5.40 |
| Toaster | 35 | 43.8¢ | $5.25 |
| Smart speaker | 26 | 32.8¢ | $3.94 |
| Clothes iron | 16 | 20.6¢ | $2.47 |
| Led bulb | 16 | 20.5¢ | $2.46 |
| String of christmas lights | 7 | 8.4¢ | $1.01 |
The largest single line item on this list in Montana is an electric car at $570 a year. The whole list together comes to $4,230 a year, though few households run all of them.
The average Montana household's bill was $107.91 a month in 2024. Why it is that number.
The same figures come as a printable Montana 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 Montana?
- 14.99¢ per kilowatt-hour for residential customers in July 2026, according to EIA's Electric Power Monthly.
- Is electricity expensive in Montana?
- It ranks 14th cheapest of 51 U.S. jurisdictions, 18% 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.