Idaho vs Montana Electricity Rates (2026)
Idaho has 13.0% cheaper electricity than Montana. Idaho residents pay 11.15¢/kWh compared to 12.81¢/kWh in Montana, saving about $0.00/month on average.
Idaho
11.15¢
per kWh
$107/mo
Montana
12.81¢
per kWh
$107/mo
Detailed Rate Comparison
| Metric | Idaho | Montana | National Avg |
|---|---|---|---|
| Residential Rate | 11.15¢/kWh | 12.81¢/kWh | 17.22¢/kWh |
| Commercial Rate | 8.69¢/kWh | 10.92¢/kWh | - |
| Industrial Rate | 6.87¢/kWh | 6.35¢/kWh | - |
| Avg Monthly Bill | $107 | $107 | $134 |
| Renewable Energy | 73.0% | 48.0% | ~22% |
| Primary Source | Hydroelectric | Hydroelectric | - |
Appliance Running Costs: Idaho vs Montana
Monthly cost to run common household appliances in each state.
| Appliance | ID | MT | Savings |
|---|---|---|---|
| Air Purifier | $4.01 | $4.61 | ID saves $0.60 |
| Blender | $0.13 | $0.15 | ID saves $0.02 |
| CFL Bulb (13W) | $0.35 | $0.40 | ID saves $0.05 |
| Cable / Satellite Box | $2.81 | $3.23 | ID saves $0.42 |
| Ceiling Fan | $3.01 | $3.46 | ID saves $0.45 |
| Central Air Conditioner | $93.66 | $107.60 | ID saves $13.94 |
| Chest Freezer | $6.42 | $7.38 | ID saves $0.96 |
| Clothes Dryer (Electric) | $10.04 | $11.53 | ID saves $1.49 |
| Coffee Maker | $0.75 | $0.86 | ID saves $0.11 |
| Crypto Mining Rig | $120.42 | $138.35 | ID saves $17.93 |
| Dehumidifier | $12.04 | $13.83 | ID saves $1.79 |
| Desktop Computer | $5.35 | $6.15 | ID saves $0.80 |
| Dishwasher | $6.02 | $6.92 | ID saves $0.90 |
| Electric Baseboard Heater | $33.45 | $38.43 | ID saves $4.98 |
| Electric Fireplace | $18.73 | $21.52 | ID saves $2.79 |
Bottom Line: Idaho vs Montana
Idaho is the more affordable state for electricity, with rates 13.0% lower than Montana. An average household would save about $0.00/year by living in Idaho.
Idaho gets its electricity primarily from Hydroelectric with 73.0% renewable, while Montana relies on Hydroelectric with 48.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Idaho or Montana?
Electricity is cheaper in Idaho at 11.15¢/kWh compared to Montana at 12.81¢/kWh. That's a 13.0% difference, saving about $0.00/month on an average residential bill.
What is the average electricity bill in Idaho vs Montana?
The average monthly electricity bill is $107 in Idaho and $107 in Montana. The national average is $134.
Which state uses more renewable energy, Idaho or Montana?
Idaho has a higher renewable energy percentage at 73.0%, compared to 48.0% in Montana.
What are the main energy sources in Idaho and Montana?
Idaho primarily uses Hydroelectric, while Montana relies on Hydroelectric.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)