12.91¢
per kWh, 2025
[ South Carolina Public Service Authority / SC ]
South Carolina Public Service Authority electricity rates in South Carolina
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+13.4%
vs 2024
188,962
residential customers
+12.8%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at South Carolina Public Service Authority's average effective residential rate (12.91¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 10.96¢ | — | 145,208 |
| 2016 | 11.62¢ | +6.0% | 147,447 |
| 2017 | 11.98¢ | +3.1% | 151,044 |
| 2018 | 11.77¢ | −1.8% | 154,586 |
| 2019 | 11.52¢ | −2.1% | 158,032 |
| 2020 | 11.44¢ | −0.7% | 160,917 |
| 2021 | 11.32¢ | −1.1% | 166,043 |
| 2022 | 11.33¢ | +0.1% | 170,536 |
| 2023 | 11.38¢ | +0.4% | 177,342 |
| 2024 | 11.38¢ | +0.0% | 185,529 |
| 2025 | 12.91¢ | +13.4% | 188,962 |
How this compares
15.12¢
South Carolina average, 2025
−14.6%
South Carolina Public Service Authority vs SC 2025 average
−25.1%
vs US 2025 average
#24
priciest in SC
Serves 3 counties in South Carolina: Berkeley, Georgetown, Horry. 12 ZIP codes.
Questions
Is South Carolina Public Service Authority raising rates in 2026?
No rate case for South Carolina Public Service Authority is on file with the Public Service Commission of South Carolina in our tracker. Its average residential rate moved +13.4% from 2024 to 2025. We check the commission docket monthly.
What does South Carolina Public Service Authority charge per kWh?
South Carolina Public Service Authority's average effective residential rate was 12.91¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). South Carolina's 2025 average was 15.12¢.
How much have South Carolina Public Service Authority rates gone up in five years?
+12.8% between 2020 and 2025, against +22.8% for South Carolina as a whole over the latest five-year window.
How many customers does South Carolina Public Service Authority have in South Carolina?
188,962 residential customers in 2025, across 3 counties including Berkeley, Georgetown, Horry, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Public Service Commission of South Carolina docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)