15.14¢
per kWh, 2025
[ Black River Electric Coop / SC ]
Black River Electric Coop electricity rates in South Carolina
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+12.4%
vs 2024
30,874
residential customers
+26.0%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Black River Electric Coop's average effective residential rate (15.14¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 11.75¢ | — | 27,824 |
| 2016 | 11.81¢ | +0.5% | 27,967 |
| 2017 | 11.89¢ | +0.7% | 28,085 |
| 2018 | 11.90¢ | +0.1% | 28,343 |
| 2019 | 11.93¢ | +0.3% | 28,667 |
| 2020 | 12.02¢ | +0.8% | 29,065 |
| 2021 | 12.08¢ | +0.5% | 29,436 |
| 2022 | 12.00¢ | −0.7% | 29,778 |
| 2023 | 12.76¢ | +6.3% | 30,253 |
| 2024 | 13.47¢ | +5.6% | 30,610 |
| 2025 | 15.14¢ | +12.4% | 30,874 |
How this compares
15.12¢
South Carolina average, 2025
+0.1%
Black River Electric Coop vs SC 2025 average
−12.1%
vs US 2025 average
#16
priciest in SC
Serves 4 counties in South Carolina: Clarendon, Kershaw, Lee, Sumter. 40 ZIP codes.
Questions
Is Black River Electric Coop raising rates in 2026?
No rate case for Black River Electric Coop is on file with the Public Service Commission of South Carolina in our tracker. Its average residential rate moved +12.4% from 2024 to 2025. We check the commission docket monthly.
What does Black River Electric Coop charge per kWh?
Black River Electric Coop's average effective residential rate was 15.14¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). South Carolina's 2025 average was 15.12¢.
How much have Black River Electric Coop rates gone up in five years?
+26.0% between 2020 and 2025, against +22.8% for South Carolina as a whole over the latest five-year window.
How many customers does Black River Electric Coop have in South Carolina?
30,874 residential customers in 2025, across 4 counties including Clarendon, Kershaw, Lee, 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)