Side by side (MS, EIA-861)
| Metric | Mississippi Power Co | Coast Electric Power Assn |
|---|---|---|
| 2024 average price, ¢/kWh | 14.47 | 13.81 |
| 2023 average price, ¢/kWh | 14.47 | 13.25 |
| Annual cost at 10,800 kWh, $/yr | $1,563 | $1,491 |
| Residential customers (2024) | 157,437 | 82,510 |
| Ownership | Investor-owned | Co-op |
| Counties served in MS | 23 | 3 |
Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Mississippi Power Co · Coast Electric Power Assn · Mississippi overview.
Where the territories meet
Both utilities file EIA-861 service territory in: Hancock · Harrison · Pearl River counties (MS, 2024).
Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.
Can you actually choose between them?
No — not for delivery. Distribution territories are exclusive and set by address; Mississippi Power Co and Coast Electric Power Assn do not compete for the same meters. Mississippi is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (psc.ms.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.
Questions people ask
- Is Mississippi Power Co cheaper than Coast Electric Power Assn?
- No — in 2024 Mississippi Power Co customers averaged 14.47 cents/kWh versus 13.81 for Coast Electric Power Assn (EIA-861). Coast Electric Power Assn was cheaper by 0.66 cents, about $72 per year at 10,800 kWh.
- Can I switch from Mississippi Power Co to Coast Electric Power Assn?
- No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. Mississippi has no residential supplier shopping either; rates are set in utility-commission proceedings.
- Why is Mississippi Power Co more expensive than Coast Electric Power Assn?
- EIA-861 averages reflect everything customers actually paid — supply costs, delivery rates, riders, and surcharges across each territory. Differences in generation mix, grid investment, storm costs, and customer density between Mississippi Power and Coast Electric Power Assn territory all feed the 0.66-cent gap.