Montana vs South Carolina Electricity Rates (2026)
Montana has 11.2% cheaper electricity than South Carolina. Montana residents pay 12.81¢/kWh compared to 14.43¢/kWh in South Carolina, saving about $48.00/month on average.
Montana
12.81¢
per kWh
$107/mo
South Carolina
14.43¢
per kWh
$155/mo
Detailed Rate Comparison
| Metric | Montana | South Carolina | National Avg |
|---|---|---|---|
| Residential Rate | 12.81¢/kWh | 14.43¢/kWh | 17.22¢/kWh |
| Commercial Rate | 10.92¢/kWh | 11.69¢/kWh | - |
| Industrial Rate | 6.35¢/kWh | 6.77¢/kWh | - |
| Avg Monthly Bill | $107 | $155 | $134 |
| Renewable Energy | 48.0% | 9.0% | ~22% |
| Primary Source | Hydroelectric | Nuclear | - |
Appliance Running Costs: Montana vs South Carolina
Monthly cost to run common household appliances in each state.
| Appliance | MT | SC | Savings |
|---|---|---|---|
| Air Purifier | $4.61 | $5.19 | MT saves $0.58 |
| Blender | $0.15 | $0.17 | MT saves $0.02 |
| CFL Bulb (13W) | $0.40 | $0.45 | MT saves $0.05 |
| Cable / Satellite Box | $3.23 | $3.64 | MT saves $0.41 |
| Ceiling Fan | $3.46 | $3.90 | MT saves $0.44 |
| Central Air Conditioner | $107.60 | $121.21 | MT saves $13.61 |
| Chest Freezer | $7.38 | $8.31 | MT saves $0.93 |
| Clothes Dryer (Electric) | $11.53 | $12.99 | MT saves $1.46 |
| Coffee Maker | $0.86 | $0.97 | MT saves $0.11 |
| Crypto Mining Rig | $138.35 | $155.84 | MT saves $17.50 |
| Dehumidifier | $13.83 | $15.58 | MT saves $1.75 |
| Desktop Computer | $6.15 | $6.93 | MT saves $0.78 |
| Dishwasher | $6.92 | $7.79 | MT saves $0.87 |
| Electric Baseboard Heater | $38.43 | $43.29 | MT saves $4.86 |
| Electric Fireplace | $21.52 | $24.24 | MT saves $2.72 |
Bottom Line: Montana vs South Carolina
Montana is the more affordable state for electricity, with rates 11.2% lower than South Carolina. An average household would save about $576.00/year by living in Montana.
Montana gets its electricity primarily from Hydroelectric with 48.0% renewable, while South Carolina relies on Nuclear with 9.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Montana or South Carolina?
Electricity is cheaper in Montana at 12.81¢/kWh compared to South Carolina at 14.43¢/kWh. That's a 11.2% difference, saving about $48.00/month on an average residential bill.
What is the average electricity bill in Montana vs South Carolina?
The average monthly electricity bill is $107 in Montana and $155 in South Carolina. The national average is $134.
Which state uses more renewable energy, Montana or South Carolina?
Montana has a higher renewable energy percentage at 48.0%, compared to 9.0% in South Carolina.
What are the main energy sources in Montana and South Carolina?
Montana primarily uses Hydroelectric, while South Carolina relies on Nuclear.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)