Electricity Cost in South Carolina
The residential electricity rate in South Carolina is 14.96¢ per kilowatt-hour (kWh), ranking #21 cheapest among all 51 US states. The national average is 17.92¢/kWh, making South Carolina 17% below average.
14.96¢
Residential
#21
Price Rank
7.1%
Renewable
| Residential Rate | 14.96¢/kWh |
| Commercial Rate | 11.05¢/kWh |
| Industrial Rate | 7.11¢/kWh |
| US Average (Residential) | 17.92¢/kWh |
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.