Connecticut vs South Carolina Electricity Rates (2026)
South Carolina has 51.9% cheaper electricity than Connecticut. South Carolina residents pay 14.43¢/kWh compared to 29.98¢/kWh in Connecticut, saving about $21.00/month on average.
Connecticut
29.98¢
per kWh
$176/mo
South Carolina
14.43¢
per kWh
$155/mo
Detailed Rate Comparison
| Metric | Connecticut | South Carolina | National Avg |
|---|---|---|---|
| Residential Rate | 29.98¢/kWh | 14.43¢/kWh | 17.22¢/kWh |
| Commercial Rate | 22.54¢/kWh | 11.69¢/kWh | - |
| Industrial Rate | 19.43¢/kWh | 6.77¢/kWh | - |
| Avg Monthly Bill | $176 | $155 | $134 |
| Renewable Energy | 6.0% | 9.0% | ~22% |
| Primary Source | Natural Gas | Nuclear | - |
Appliance Running Costs: Connecticut vs South Carolina
Monthly cost to run common household appliances in each state.
| Appliance | CT | SC | Savings |
|---|---|---|---|
| Air Purifier | $10.79 | $5.19 | SC saves $5.60 |
| Blender | $0.36 | $0.17 | SC saves $0.19 |
| CFL Bulb (13W) | $0.94 | $0.45 | SC saves $0.49 |
| Cable / Satellite Box | $7.55 | $3.64 | SC saves $3.92 |
| Ceiling Fan | $8.09 | $3.90 | SC saves $4.20 |
| Central Air Conditioner | $251.83 | $121.21 | SC saves $130.62 |
| Chest Freezer | $17.27 | $8.31 | SC saves $8.96 |
| Clothes Dryer (Electric) | $26.98 | $12.99 | SC saves $14.00 |
| Coffee Maker | $2.02 | $0.97 | SC saves $1.05 |
| Crypto Mining Rig | $323.78 | $155.84 | SC saves $167.94 |
| Dehumidifier | $32.38 | $15.58 | SC saves $16.79 |
| Desktop Computer | $14.39 | $6.93 | SC saves $7.46 |
| Dishwasher | $16.19 | $7.79 | SC saves $8.40 |
| Electric Baseboard Heater | $89.94 | $43.29 | SC saves $46.65 |
| Electric Fireplace | $50.37 | $24.24 | SC saves $26.12 |
Bottom Line: Connecticut vs South Carolina
South Carolina is the more affordable state for electricity, with rates 51.9% lower than Connecticut. An average household would save about $252.00/year by living in South Carolina.
Connecticut gets its electricity primarily from Natural Gas with 6.0% renewable, while South Carolina relies on Nuclear with 9.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Connecticut or South Carolina?
Electricity is cheaper in South Carolina at 14.43¢/kWh compared to Connecticut at 29.98¢/kWh. That's a 51.9% difference, saving about $21.00/month on an average residential bill.
What is the average electricity bill in Connecticut vs South Carolina?
The average monthly electricity bill is $176 in Connecticut and $155 in South Carolina. The national average is $134.
Which state uses more renewable energy, Connecticut or South Carolina?
South Carolina has a higher renewable energy percentage at 9.0%, compared to 6.0% in Connecticut.
What are the main energy sources in Connecticut and South Carolina?
Connecticut primarily uses Natural Gas, while South Carolina relies on Nuclear.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)