Southern Pine Electric Cooperative
Cooperative electric utility · Mississippi · #279 of 3,199 U.S. utilities by customers · EIA utility #17647
Southern Pine Electric Cooperative is a cooperative electric utility serving 71,243 customers in Mississippi. In 2025 it sold 1,917 gigawatt-hours of electricity for $238.58M in revenue, an average realized rate of 12.45¢ per kWh across all customer classes and 14.47¢ per kWh for residential customers. Its reported service territory covers 11 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 | 65,580 | 917 | $132.73M | 14.47¢ | |
| Commercial | 5,615 | 329 | $42.49M | 12.93¢ | |
| Industrial | 48 | 671 | $63.36M | 9.44¢ | |
| Total | 71,243 | 1,917 | $238.58M | 12.45¢ |
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 (1,165 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 69,458 | 1,866 | $201.67M | 12.35¢ |
| 2022 | 69,822 | 1,956 | $210.81M | 12.59¢ |
| 2023 | 70,323 | 1,869 | $221.34M | 13.42¢ |
| 2024 | 70,771 | 1,878 | $229.39M | 14.01¢ |
| 2025 | 71,243 | 1,917 | $238.58M | 14.47¢ |
Reliability (2025)
Average outage time (SAIDI): 649 minutes per customer per year
Average outages (SAIFI): 5.46 per customer
Average restoration time (CAIDI): 119 minutes
As reported for Mississippi 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: 2,003 GWh
Winter peak demand: 537 MW
Energy losses: 4.3% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 71,243 meters
Customer-sited generation (net metering): 70 installations, 1.6 MW of capacity
Counties served
Copiah, MSCovington, MSForrest, MSJasper, MSJefferson Davis, MSLawrence, MSNewton, MSRankin, MSScott, MSSimpson, MSSmith, MS
Other large utilities in Mississippi
- Entergy Mississippi LLC - 458,925 customers, residential 13.86¢
- Mississippi Power Co - 193,135 customers, residential 15.69¢
- Coast Electric Power Assn - (MS) - 91,721 customers, residential 14.01¢
- Singing River Elec Cooperative - 81,787 customers, residential 13.54¢
- Pearl River Valley El Pwr Assn - 54,457 customers, residential 15.58¢
- 4-County Electric Power Assn - 51,748 customers, residential 13.68¢
- Tombigbee Electric Power Assn - 45,945 customers, residential 13.03¢
- Dixie Electric Power Assn - (MS) - 41,654 customers, residential 13.90¢
All Mississippi utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #17647 in the EIA frame.