South Carolina Electricity Rates (2026)
15.0¢/kWhstate average
7.7% below national averageUtilities in South Carolina
Rate Outlook for South Carolina
South Carolina's average residential electricity rate is currently 15.0 cents/kWh. Under EIA's reference scenario, rates are projected to reach 17.7 cents/kWh by 2031 and 20.1 cents/kWh by 2036, a 34.4% change. Under the high oil price scenario, rates could reach 20.9 cents/kWh.
EIA projections for South Carolina vs. actual observed rates
Projected residential electricity rates for South Carolina (next 10 years)
| Year | Reference (¢/kWh) | High Price | Low Price |
|---|---|---|---|
| 2026 | 16.6 | 16.7 | 16.5 |
| 2027 | 16.0 | 16.2 | 16.0 |
| 2028 | 16.2 | 16.4 | 16.3 |
| 2029 | 16.6 | 16.8 | 16.7 |
| 2030 | 17.1 | 17.3 | 17.2 |
| 2031 | 17.7 | 18.0 | 17.9 |
| 2032 | 18.2 | 18.7 | 18.4 |
| 2033 | 18.9 | 19.5 | 19.0 |
| 2034 | 19.4 | 20.0 | 19.5 |
| 2035 | 19.8 | 20.5 | 19.8 |
| 2036 | 20.1 | 20.9 | 20.1 |
Data Sources: U.S. Energy Information Administration — Annual Energy Outlook (AEO2010, AEO2015, AEO2020, AEO2025) and Monthly Energy Review.
Methodology: State-level projections are derived by applying national rate trends from EIA's Annual Energy Outlook to South Carolina's current observed rate. EIA does not publish state-level projections.
Freshness: This data is checked weekly against EIA's open data APIs. The Monthly Energy Review updates monthly with observed rates. The Annual Energy Outlook publishes new projections annually.