MPD Electric Cooperative
Cooperative electric utility · South Carolina · #437 of 3,199 U.S. utilities by customers · EIA utility #66073
MPD Electric Cooperative is a cooperative electric utility serving 38,905 customers in South Carolina. In 2025 it sold 1,541 gigawatt-hours of electricity for $185.50M in revenue, an average realized rate of 12.04¢ per kWh across all customer classes and 13.73¢ per kWh for residential customers. Its reported service territory covers 7 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 | 32,130 | 506 | $69.44M | 13.73¢ | |
| Commercial | 6,752 | 272 | $39.98M | 14.70¢ | |
| Industrial | 23 | 763 | $76.08M | 9.97¢ | |
| Total | 38,905 | 1,541 | $185.50M | 12.04¢ |
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 (1,312 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2023 | 38,286 | 1,700 | $136.09M | 11.03¢ |
| 2024 | 38,612 | 1,746 | $147.19M | 10.94¢ |
| 2025 | 38,905 | 1,541 | $185.50M | 13.73¢ |
Reliability (2025)
Average outage time (SAIDI): 136 minutes per customer per year
Average outages (SAIFI): 1.24 per customer
Average restoration time (CAIDI): 110 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: 1,682 GWh
Winter peak demand: 334 MW
Energy losses: 3.1% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 38,905 meters
Customer-sited generation (net metering): 216 installations, 1.9 MW of capacity
Counties served
Chesterfield, SCDarlington, SCDillon, SCFlorence, SCLee, SCMarion, SCMarlboro, 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 #66073 in the EIA frame.