Edisto Electric Coop, Inc
Cooperative electric utility · South Carolina · #692 of 3,199 U.S. utilities by customers · EIA utility #5644
Edisto Electric Coop, Inc is a cooperative electric utility serving 21,495 customers in South Carolina. In 2025 it sold 370 gigawatt-hours of electricity for $65.66M in revenue, an average realized rate of 17.75¢ per kWh across all customer classes and 18.99¢ per kWh for residential customers. Its reported service territory covers 8 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 | 15,540 | 224 | $42.50M | 18.99¢ | |
| Commercial | 5,921 | 56.4 | $11.35M | 20.11¢ | |
| Industrial | 34 | 89.8 | $11.81M | 13.15¢ | |
| Total | 21,495 | 370 | $65.66M | 17.75¢ |
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 (1,200 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 20,840 | 354 | $49.65M | 15.04¢ |
| 2022 | 20,946 | 358 | $51.57M | 15.53¢ |
| 2023 | 21,121 | 365 | $54.82M | 16.55¢ |
| 2024 | 21,317 | 384 | $58.36M | 16.40¢ |
| 2025 | 21,495 | 370 | $65.66M | 18.99¢ |
Reliability (2025)
Average outage time (SAIDI): 235 minutes per customer per year
Average outages (SAIFI): — per customer
Average restoration time (CAIDI): — 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: 398 GWh
Winter peak demand: 104 MW
Energy losses: 6.9% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 21,495 meters
Customer-sited generation (net metering): 182 installations, 1.7 MW of capacity
Counties served
Allendale, SCBamberg, SCBarnwell, SCBerkeley, SCColleton, SCDorchester, SCHampton, SCOrangeburg, 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¢
- Berkeley Electric Coop Inc - 138,073 customers, residential 16.32¢
- 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¢
All South Carolina utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #5644 in the EIA frame.