Palmetto Electric Coop Inc
Cooperative electric utility · South Carolina · #252 of 3,199 U.S. utilities by customers · EIA utility #14398
Palmetto Electric Coop Inc is a cooperative electric utility serving 81,863 customers in South Carolina. In 2025 it sold 1,579 gigawatt-hours of electricity for $219.57M in revenue, an average realized rate of 13.90¢ per kWh across all customer classes and 14.39¢ per kWh for residential customers. Its reported service territory covers 4 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 | 69,848 | 1,015 | $146.03M | 14.39¢ | |
| Commercial | 11,990 | 473 | $64.17M | 13.56¢ | |
| Industrial | 25 | 91.7 | $9.38M | 10.23¢ | |
| Total | 81,863 | 1,579 | $219.57M | 13.90¢ |
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 (1,210 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 76,336 | 1,525 | $169.18M | 11.40¢ |
| 2022 | 77,196 | 1,493 | $173.38M | 11.90¢ |
| 2023 | 78,584 | 1,488 | $178.22M | 12.28¢ |
| 2024 | 80,015 | 1,550 | $190.90M | 12.79¢ |
| 2025 | 81,863 | 1,579 | $219.57M | 14.39¢ |
Reliability (2025)
Average outage time (SAIDI): 51 minutes per customer per year
Average outages (SAIFI): 0.76 per customer
Average restoration time (CAIDI): 66 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: 1,634 GWh
Winter peak demand: 456 MW
Energy losses: 3.2% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 81,863 meters
Customer-sited generation (net metering): 375 installations, 3.3 MW of capacity
Counties served
Allendale, SCBeaufort, SCHampton, SCJasper, 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¢
- 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 #14398 in the EIA frame.