Berkeley Electric Coop Inc
Cooperative electric utility · South Carolina · #188 of 3,199 U.S. utilities by customers · EIA utility #1613
Berkeley Electric Coop Inc is a cooperative electric utility serving 138,073 customers in South Carolina. In 2025 it sold 5,436 gigawatt-hours of electricity for $583.93M in revenue, an average realized rate of 10.74¢ per kWh across all customer classes and 16.32¢ per kWh for residential customers. Its reported service territory covers 3 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 119,545 | 1,648 | $268.95M | 16.32¢ | |
| Commercial | 18,519 | 3,751 | $310.23M | 8.27¢ | |
| Industrial | 9 | 37.3 | $4.75M | 12.71¢ | |
| Total | 138,073 | 5,436 | $583.93M | 10.74¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,149 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 113,393 | 3,969 | $362.54M | 13.42¢ |
| 2022 | 119,109 | 4,327 | $391.52M | 13.41¢ |
| 2023 | 124,282 | 4,668 | $427.76M | 14.06¢ |
| 2024 | 133,248 | 5,003 | $480.36M | 14.93¢ |
| 2025 | 138,073 | 5,436 | $583.93M | 16.32¢ |
Reliability (2025)
Average outage time (SAIDI): 114 minutes per customer per year
Average outages (SAIFI): 1.38 per customer
Average restoration time (CAIDI): 82 minutes
As reported for South Carolina under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 5,537 GWh
Winter peak demand: 998 MW
Energy losses: 1.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 140,564 meters
Customer-sited generation (net metering): 1,995 installations, 13.0 MW of capacity
Counties served
Berkeley, SCCharleston, SCDorchester, SC
Other large utilities in South Carolina
- Dominion Energy South Carolina, Inc - 824,270 customers, residential 16.41¢
- South Carolina Public Service Authority - 219,897 customers, residential 12.91¢
- Horry Electric Coop Inc - 103,949 customers, residential 13.83¢
- Palmetto Electric Coop Inc - 81,863 customers, residential 14.39¢
- Blue Ridge Electric Coop Inc - (SC) - 74,014 customers, residential 19.82¢
- York Electric Coop Inc - 71,541 customers, residential 13.68¢
- Laurens Electric Coop, Inc - 66,192 customers, residential 15.62¢
- Mid-Carolina Electric Coop Inc - 61,196 customers, residential 16.83¢
All South Carolina utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #1613 in the EIA frame.