Electricity rates in Montana
Households in Montana paid an average of 15.57¢ per kilowatt-hour in August 2026. That is 14% below the national average of 18.16¢, and the 19th cheapest of the 51 U.S. jurisdictions. Year over year the rate is up 9.0%.
- Average rate
- 15.57¢
- A year ago
- 14.29¢
- U.S. average
- 18.16¢
- Rank
- 19th 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 | $49.30 | $592 |
| Electric water heater | 3,500 | $45.41 | $545 |
| Hot tub | 2,500 | $32.44 | $389 |
| Central air conditioner | 2,352 | $30.52 | $366 |
| Heat pump | 2,160 | $28.03 | $336 |
| Pool pump | 1,728 | $22.42 | $269 |
| Electric baseboard heater | 1,350 | $17.52 | $210 |
| Garage refrigerator | 900 | $11.68 | $140 |
| Space heater | 864 | $11.21 | $135 |
| Portable air conditioner | 845 | $10.96 | $132 |
| Electric clothes dryer | 780 | $10.12 | $121 |
| Window air conditioner | 691 | $8.97 | $108 |
| Aquarium | 591 | $7.67 | $92.07 |
| Gaming pc | 584 | $7.58 | $90.93 |
| Well pump | 548 | $7.10 | $85.25 |
| Dehumidifier | 540 | $7.01 | $84.08 |
| Air purifier | 438 | $5.68 | $68.20 |
| Refrigerator | 400 | $5.19 | $62.28 |
| Desktop computer | 400 | $5.19 | $62.28 |
| Electric oven | 333 | $4.32 | $51.82 |
| Dishwasher | 312 | $4.05 | $48.58 |
| Chest freezer | 300 | $3.89 | $46.71 |
| Game console | 219 | $2.84 | $34.10 |
| Coffee maker | 164 | $2.13 | $25.57 |
| 55-inch led tv | 164 | $2.13 | $25.57 |
| Washing machine | 130 | $1.69 | $20.24 |
| Air fryer | 126 | $1.63 | $19.62 |
| Laptop | 120 | $1.56 | $18.68 |
| Box fan | 112 | $1.46 | $17.52 |
| Electric kettle | 110 | $1.42 | $17.05 |
| Microwave | 110 | $1.42 | $17.05 |
| Incandescent bulb | 110 | $1.42 | $17.05 |
| Treadmill | 105 | $1.36 | $16.35 |
| Slow cooker | 96 | $1.25 | $14.95 |
| Hair dryer | 94 | $1.23 | $14.71 |
| Wi-fi router | 88 | $1.14 | $13.64 |
| Ceiling fan | 86 | $1.12 | $13.45 |
| 3d printer | 65 | 84.1¢ | $10.09 |
| Computer monitor | 60 | 77.9¢ | $9.34 |
| Security camera | 44 | 56.8¢ | $6.82 |
| Electric pressure cooker | 42 | 54.5¢ | $6.54 |
| Rice cooker | 42 | 54.5¢ | $6.54 |
| Electric lawn mower | 42 | 54.0¢ | $6.48 |
| Electric blanket | 38 | 49.8¢ | $5.98 |
| Vacuum cleaner | 36 | 46.7¢ | $5.61 |
| Toaster | 35 | 45.5¢ | $5.46 |
| Smart speaker | 26 | 34.1¢ | $4.09 |
| Clothes iron | 16 | 21.4¢ | $2.57 |
| Led bulb | 16 | 21.3¢ | $2.56 |
| String of christmas lights | 7 | 8.8¢ | $1.05 |
The largest single line item on this list in Montana is an electric car at $592 a year. The whole list together comes to $4,394 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?
- 15.57¢ per kilowatt-hour for residential customers in August 2026, according to EIA's Electric Power Monthly.
- Is electricity expensive in Montana?
- It ranks 19th cheapest of 51 U.S. jurisdictions, 14% 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.