4-County Electric Power Assn
Cooperative electric utility · Mississippi · #356 of 3,199 U.S. utilities by customers · EIA utility #6641
4-County Electric Power Assn is a cooperative electric utility serving 51,748 customers in Mississippi. In 2025 it sold 1,116 gigawatt-hours of electricity for $149.25M in revenue, an average realized rate of 13.38¢ per kWh across all customer classes and 13.68¢ 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 | 41,491 | 602 | $82.37M | 13.68¢ | |
| Commercial | 10,248 | 324 | $50.86M | 15.69¢ | |
| Industrial | 9 | 190 | $16.02M | 8.44¢ | |
| Total | 51,748 | 1,116 | $149.25M | 13.38¢ |
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 (1,209 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 50,139 | 1,063 | $119.65M | 11.65¢ |
| 2022 | 50,331 | 1,087 | $133.97M | 12.79¢ |
| 2023 | 51,053 | 1,064 | $128.32M | 12.64¢ |
| 2024 | 51,268 | 1,112 | $139.10M | 12.88¢ |
| 2025 | 51,748 | 1,116 | $149.25M | 13.68¢ |
Energy supply (2025)
Net generation: 0.0 GWh
Wholesale power purchased: 1,169 GWh
Winter peak demand: 317 MW
Energy losses: 4.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 51,748 meters
Counties served
Choctaw, MSClay, MSLowndes, MSMonroe, MSNoxubee, MSOktibbeha, MSWebster, 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¢
- Southern Pine Electric Cooperative - 71,243 customers, residential 14.47¢
- Pearl River Valley El Pwr Assn - 54,457 customers, residential 15.58¢
- 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 #6641 in the EIA frame.