Coast Electric Power Assn - (MS)
Cooperative electric utility · Mississippi · #236 of 3,199 U.S. utilities by customers · EIA utility #3841
Coast Electric Power Assn - (MS) is a cooperative electric utility serving 91,721 customers in Mississippi. In 2025 it sold 1,932 gigawatt-hours of electricity for $246.51M in revenue, an average realized rate of 12.76¢ per kWh across all customer classes and 14.01¢ per kWh for residential customers. Its reported service territory covers 3 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 | 84,194 | 1,245 | $174.45M | 14.01¢ | |
| Commercial | 7,520 | 429 | $53.71M | 12.52¢ | |
| Industrial | 7 | 258 | $18.36M | 7.10¢ | |
| Total | 91,721 | 1,932 | $246.51M | 12.76¢ |
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 (1,232 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 86,062 | 1,772 | $195.79M | 11.85¢ |
| 2022 | 87,535 | 1,827 | $210.12M | 12.33¢ |
| 2023 | 88,942 | 1,886 | $231.07M | 13.25¢ |
| 2024 | 90,247 | 1,917 | $241.69M | 13.81¢ |
| 2025 | 91,721 | 1,932 | $246.51M | 14.01¢ |
Reliability (2025)
Average outage time (SAIDI): 120 minutes per customer per year
Average outages (SAIFI): 1.70 per customer
Average restoration time (CAIDI): 71 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: 2,012 GWh
Winter peak demand: 616 MW
Energy losses: 3.8% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 91,721 meters
Customer-sited generation (net metering): 415 installations, 2.9 MW of capacity
Counties served
Hancock, MSHarrison, MSPearl River, MS
Other large utilities in Mississippi
- Entergy Mississippi LLC - 458,925 customers, residential 13.86¢
- Mississippi Power Co - 193,135 customers, residential 15.69¢
- 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¢
- 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 #3841 in the EIA frame.