South CarolinaElectricity Rates & Utility Costs
The average residential electricity rate in South Carolina is 14.43¢/kWh, which is around the national average. That's 16.2% lower than the national average.
Residential
14.43¢
per kWh
Commercial
11.69¢
per kWh
Industrial
6.77¢
per kWh
Avg Monthly Bill
$155
residential
South Carolina vs National Average
| Metric | South Carolina | National Avg | Difference |
|---|---|---|---|
| Residential Rate | 14.43¢/kWh | 17.22¢/kWh | -2.79¢ |
| Monthly Bill | $155 | $134 | +$21.00 |
| Renewable Energy | 9.0% | ~22% | Below avg |
| Primary Source | Nuclear | ||
Why Electricity Is Affordable in South Carolina
South Carolina's electricity rates are close to the national average. The state relies primarily on Nuclear for power generation, with renewable sources making up 9.0% of the mix. Competitive market options and moderate generation costs help keep rates stable.
Utility Companies in South Carolina
| Utility | Avg Rate | Customers | Type |
|---|---|---|---|
| Dominion Energy SC | 14.10¢/kWh | 760,000 | electric |
| Duke Energy Carolinas SC | 14.43¢/kWh | 750,000 | electric |
Appliance Running Costs in South Carolina
Based on South Carolina's residential rate of 14.43¢/kWh.
| Appliance | Watts | Hours/Day | Monthly Cost | Annual Cost |
|---|---|---|---|---|
| Air Purifier | 50 | 24 | $5.19 | $62.34 |
| Blender | 400 | 0.1 | $0.17 | $2.08 |
| CFL Bulb (13W) | 13 | 8 | $0.45 | $5.40 |
| Cable / Satellite Box | 35 | 24 | $3.64 | $43.64 |
| Ceiling Fan | 75 | 12 | $3.90 | $46.75 |
| Central Air Conditioner | 3,500 | 8 | $121.21 | $1,454.54 |
| Chest Freezer | 80 | 24 | $8.31 | $99.74 |
| Clothes Dryer (Electric) | 3,000 | 1 | $12.99 | $155.84 |
| Coffee Maker | 900 | 0.25 | $0.97 | $11.69 |
| Crypto Mining Rig | 1,500 | 24 | $155.84 | $1,870.13 |
| Dehumidifier | 300 | 12 | $15.58 | $187.01 |
| Desktop Computer | 200 | 8 | $6.93 | $83.12 |
| Dishwasher | 1,800 | 1 | $7.79 | $93.51 |
| Electric Baseboard Heater | 1,000 | 10 | $43.29 | $519.48 |
| Electric Fireplace | 1,400 | 4 | $24.24 | $290.91 |
Compare With Other States
More Data for South Carolina
Frequently Asked Questions
What is the average electricity rate in South Carolina?
The average residential electricity rate in South Carolina is 14.43¢ per kWh, which is 16.2% below the national average of 17.22¢/kWh.
How much is the average monthly electric bill in South Carolina?
The average monthly residential electric bill in South Carolina is $155, compared to the national average of $134.
Why is electricity cheap in South Carolina?
South Carolina's electricity rates are close to the national average. The state relies primarily on Nuclear for power generation, with renewable sources making up 9.0% of the mix. Competitive market options and moderate generation costs help keep rates stable.
What is the main energy source in South Carolina?
The primary energy source in South Carolina is Nuclear, with 9.0% of electricity coming from renewable sources.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)