Billowatt

Electricity Costs in Montana

Montana residents pay an average of 14.7¢ per kilowatt-hour as of May 2026 — the 13th cheapest of the 51 U.S. jurisdictions we track, 20% below the national average. For a typical home using 885 kWh a month, that's a bill of about $130.

Average rate

14.7¢

per kWh, residential

U.S. rank

13th

cheapest of 51

vs. U.S. average

-20%

national: 18.4¢/kWh

Change vs. last year

+20.5%

was 12.2¢/kWh

The most expensive things to run in Montana

Monthly cost at typical usage and Montana's current rate.

Running costs for every appliance

Appliance Per day Per month Per year
Electric Furnace $8.82 $268 $3,219
Central Air Conditioner $4.12 $125 $1,502
Heat Pump $3.53 $107 $1,288
Pool Heater (Heat Pump) $2.94 $89.38 $1,073
Garage Heater $2.21 $67.03 $805
Electric Water Heater $1.92 $58.32 $700
Tankless Electric Water Heater $1.85 $56.31 $676
Space Heater $1.76 $53.63 $644
Baseboard Heater $1.76 $53.63 $644
Oil-Filled Radiator Heater $1.76 $53.63 $644
Pool Pump $1.76 $53.63 $644
EV Charging (Level 2, Home) $1.47 $44.69 $537
Infrared Heater $1.41 $42.90 $515
Portable Air Conditioner $1.18 $35.75 $429
Window Air Conditioner $1.06 $32.18 $386
Oxygen Concentrator $1.06 $32.18 $386
Electric Fireplace $1.03 $31.28 $376
Ductless Mini-Split $0.94 $28.60 $343
Electric Wall Heater $0.88 $26.81 $322
Dehumidifier $0.73 $22.34 $268
Hot Tub $0.73 $22.12 $266
Grow Light $0.62 $18.77 $225
Furnace Blower Fan (Gas Furnace) $0.59 $17.88 $215
Food Dehydrator $0.59 $17.88 $215
Refrigerator $0.53 $16.09 $193
Evaporative (Swamp) Cooler $0.47 $14.30 $172
Pellet Stove $0.44 $13.41 $161
Heat Pump Water Heater $0.44 $13.41 $161
Upright Freezer $0.42 $12.87 $155
Electric Oven $0.35 $10.73 $129
Aquarium $0.35 $10.73 $129
Home Server / Homelab $0.35 $10.73 $129
Chest Freezer $0.32 $9.65 $116
Electric Dryer $0.31 $9.58 $115
Well Pump $0.29 $8.94 $107
Gaming PC $0.27 $8.31 $99.80
Home Sauna $0.25 $7.66 $91.98
Electric Stove Burner $0.22 $6.70 $80.48
Mini Fridge $0.21 $6.44 $77.26
Starlink Dish $0.21 $6.44 $77.26
Induction Cooktop $0.21 $6.26 $75.12
Desktop Computer $0.18 $5.52 $66.32
Electric Blanket $0.18 $5.36 $64.39
Reptile Heat Lamp / Terrarium $0.18 $5.36 $64.39
Air Purifier $0.14 $4.29 $51.51
Heat Pump Dryer $0.14 $4.15 $49.82
Dishwasher $0.13 $3.83 $45.99
75-Inch TV $0.11 $3.39 $40.75
Air Fryer $0.11 $3.35 $40.24
OLED TV 9.0¢ $2.72 $32.70
Box Fan 8.8¢ $2.68 $32.19
Toaster Oven 8.8¢ $2.68 $32.19
Game Console (PS5 / Xbox Series X) 8.4¢ $2.55 $30.66
65-Inch TV 8.2¢ $2.50 $30.02
Ceiling Fan 7.1¢ $2.15 $25.75
Tower Fan 7.1¢ $2.15 $25.75
Cable / Satellite Box 7.1¢ $2.15 $25.75
Slow Cooker 6.3¢ $1.92 $22.99
55-Inch TV 6.0¢ $1.83 $21.97
Humidifier 5.9¢ $1.79 $21.46
Electric Pressure Cooker (Instant Pot) 5.9¢ $1.79 $21.46
Laptop 5.3¢ $1.61 $19.32
CPAP Machine 4.7¢ $1.43 $17.17
Incandescent Bulb 4.4¢ $1.34 $16.10
Christmas Lights 4.4¢ $1.34 $16.10
Wi-Fi Router 4.2¢ $1.29 $15.45
Washing Machine 4.2¢ $1.28 $15.33
E-Bike Charging 4.2¢ $1.28 $15.33
Treadmill 4.2¢ $1.28 $15.33
Microwave 4.0¢ $1.23 $14.76
3D Printer 3.8¢ $1.15 $13.80
Computer Monitor 3.6¢ $1.11 $13.31
Electric Lawn Mower 3.1¢ $0.96 $11.50
Hair Dryer 2.9¢ $0.89 $10.73
Electric Kettle 2.3¢ $0.70 $8.43
Coffee Maker 1.8¢ $0.54 $6.44
Security Camera (Wired) 1.8¢ $0.54 $6.44
Vacuum Cleaner 1.7¢ $0.51 $6.13
Robot Vacuum 0.9¢ $0.27 $3.22
LED Light Bulb 0.7¢ $0.20 $2.41
Phone Charger 0.3¢ 8.0¢ $0.97

Rates across the West

State Rate (¢/kWh) Typical monthly bill
Idaho 12.4 $110
Utah 13.0 $115
Nevada 13.6 $120
New Mexico 14.1 $125
Montana 14.7 $130
Wyoming 14.8 $131
Washington 15.0 $133
Arizona 15.2 $135
Colorado 16.2 $143
Oregon 16.3 $144
Alaska 28.2 $250
California 33.3 $295
Hawaii 52.0 $460
West average 19.9 $176

Frequently asked questions

How much does electricity cost in Montana?

The average residential electricity rate in Montana is 14.7¢ per kWh as of May 2026. For a typical home using 885 kWh per month, that's an electric bill of about $130.

Is electricity expensive in Montana?

No — Montana has the 13th cheapest electricity in the country, about 20% below the national average of 18.4¢/kWh.

Are electricity rates in Montana going up?

Yes — the average rate is up about 20% versus a year ago (12.2¢ → 14.7¢ per kWh). Rising rates make high-consumption appliances like electric heat, dryers, and pool pumps more expensive to ignore.

What uses the most electricity in a home?

Heating and cooling typically lead, followed by water heating, then the clothes dryer, refrigeration, and always-on electronics. Our bill analyzer breaks this down for your own set of appliances at your state’s rate.

Wondering why your bill jumped? Read Why Is My Electric Bill So High? or estimate your whole home with the bill analyzer.