Electricity rates — Mississippi Power Co
A household served by Mississippi Power Co using 1,000 kWh a month pays about $4,386.94 a year on the cheapest of 2 generally available plans — Residential Electric Service (R-60) Three-Phase from Mississippi Power Co, in effect since January 2026. Rates checked September 23, 2026. A further 1 schedule is published but restricted — means-tested, closed to new customers, or needing particular equipment — and it is priced further down.
Every priced plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Swimming Pool Heating Electric Service Rider (SPH-15)priced by season · in effect since December 2013 · needs electric heating | $1,447.08 | −$2,939.86 | 12.1¢ |
| Residential Electric Service (R-60) Three-Phase✓ cheapestpriced by season · tiered · in effect since January 2026 | $4,386.94 | — | 36.6¢ |
| Residential Electric Service (R-60) Single-Phasepriced by season · tiered · in effect since January 2026 | $4,386.94 | — | 36.6¢ |
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- 500 kWh/mo — cheapest $3,676.14 (Residential Electric Service (R-60) Three-Phase), dearest $3,676.14
- 1,000 kWh/mo — cheapest $4,386.94 (Residential Electric Service (R-60) Three-Phase), dearest $4,386.94
- 2,000 kWh/mo — cheapest $5,930.78 (Residential Electric Service (R-60) Three-Phase), dearest $5,930.78
What a typical bill costs
At 1,000 kWh a month the 2 generally available plans here run from $4,386.94 on Residential Electric Service (R-60) Three-Phase to $4,386.94 on Residential Electric Service (R-60) Single-Phase, with a median of $4,386.94.
Effective rates, bill divided by kilowatt-hours, come to 36.6¢ per kWh at that usage.
What Mississippi Power Co's customers were billed in 2024
Mississippi Power Co's open plans and its customers' bills disagree by more than a quarter: at 1,110 kWh a month, the median plan is 34.2¢ per kWh against 14.5¢ billed in 2024. Before relying on a plan price here, test it against a real Mississippi Power Co bill in the bill analyzer.
| Ownership, as EIA classes it | Investor-owned |
|---|---|
| Full-service homes in Mississippi | 157,437 |
| Share of Mississippi's households | 12% |
| Average use per home | 1,110 kWh a month |
| Average bill per home | $160.68 a month |
| Billed per kWh, riders included | 14.5¢ |
| Median open plan here, at that use | 34.2¢ |
Mississippi Power Co in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.
How it compares
Among the 109 utilities indexed, Mississippi Power Co's cheapest open plan is the 3rd-highest, 2.7× as much as their median of $1,649.16. It sits between Hawaiian Electric Co Inc ($4,214.40) and Pacific Gas & Electric Co ($4,392.26).
In Mississippi it is the dearest of the 2 utilities indexed; Entergy Mississippi Inc starts lowest, at $1,528.56.
Its fixed charge, $253.68 a month on Residential Electric Service (R-60) Three-Phase, is higher than on the cheapest plan of 108 of the other 108 utilities.
Residential Electric Service (R-60) Single-Phase is tiered: past 650 kWh a month, each kWh costs 2.1¢ more. Of the 51 utilities whose plans step, that is the 21st-largest step.
In the guides: What a bill costs before a single kilowatt-hour · The price that changes once the meter passes a line
How the answer changes with usage
Residential Electric Service (R-60) Three-Phase is cheapest at every level tested — $3,676.14 a year at 500 kWh a month, $5,930.78 at 2,000 kWh.
Cheapest 3 plans at 1,000 kWh a month
Residential Swimming Pool Heating Electric Service Rider (SPH-15) — $1,447.08 a year, 12.1¢ per kWh effective, priced by season. It carries a $1.56 monthly standing charge. In effect since December 2013. Too old to quote as a current price.
Residential Electric Service (R-60) Three-Phase — $4,386.94 a year, 36.6¢ per kWh effective, tiered and priced by season. It carries a $8.34 daily standing charge. In effect since January 2026.
Residential Electric Service (R-60) Single-Phase — $4,386.94 a year, 36.6¢ per kWh effective, tiered and priced by season. It carries a $8.34 daily standing charge. In effect since January 2026.
How these plans are structured
Of 3 priceable plans: 2 tiered, 3 priced by season.
Fixed monthly charges run from $1.56 to $250.20.
Who provides these plans
EIA-861 lists Mississippi Power Co serving homes in Mississippi and in no other state, which is how its plans are placed there. 3 of its 3 published residential schedules can be priced.
New to these terms? The methodology page explains tiered bands, time-of-use periods and fixed charges, and sets out exactly what the rate engine assumes.
Estimate — your actual bill may differ.
Tariff structures from NREL/OpenEI Utility Rate Database (CC0 1.0), retrieved September 23, 2026.