South Carolina
Electricity costs 14.96¢/kWh residential, ranking #21 cheapest in the US. 7.1% renewable energy.
14.96¢
Residential Rate
#21
Price Rank (Cheapest)
7.1%
Renewable Energy
#43
Renewable Rank
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Electricity Rates
| Residential | 14.96¢/kWh |
| Commercial | 11.05¢/kWh |
| Industrial | 7.11¢/kWh |
| National Average | 17.92¢/kWh |
Electricity Generation Mix
Nuclear
53.5%
Natural Gas
22.7%
Coal
16.8%
Solar
2.9%
Hydro
2.4%
Other
1.7%
Frequently Asked Questions
The residential electricity rate in South Carolina is 14.96¢ per kilowatt-hour, ranking #21 cheapest out of 51 states. The national average is 17.92¢/kWh, making South Carolina 17% below average.
7.1% of South Carolina's electricity comes from renewable sources, ranking #43 among all states. The largest generation source is Nuclear at 53.5%.
South Carolina's residential rate of 14.96¢/kWh is 17% below the national average of 17.92¢/kWh. Commercial rates are 11.05¢/kWh and industrial rates are 7.11¢/kWh.
Related State Energy Profiles
14.03¢/kWh residential · 4.3% renewable
14.56¢/kWh residential · 52.0% renewable
14.73¢/kWh residential · 12.5% renewable
15.08¢/kWh residential · 49.4% renewable
15.24¢/kWh residential · 8.2% renewable
22.92¢/kWh residential · 99.8% renewable
Electricity rates from EIA retail sales data. Prices in cents per kilowatt-hour. Generation mix from EIA electric power operational data. Rankings based on residential rates.
At 14.96¢/kWh, residential electricity in South Carolina is 17% below the U.S. average of 17.92¢/kWh — the 21st cheapest residential rate among 51 states and territories tracked.
Across rate classes, commercial customers pay 11.05¢/kWh and industrial customers 7.11¢/kWh — a 3.94¢/kWh gap that reflects the volume discounts large industrial loads receive. Renewables supply 7.1% of generation in South Carolina, where nuclear dominates the mix at 53.5%, followed by natural gas at 22.7%.
In 2024, South Carolina generated about 100,485 GWh of electricity in total.
Source: U.S. Energy Information Administration, 2026.