Mississippi Power Co. electricity rates
Investor-owned utility · Mississippi · SERC region
Mississippi Power Co. is a for-profit, investor-owned utility regulated by the state utility commission, serving 158,206 homes in Mississippi. Its residential customers pay an average of 16.40¢/kWh including fixed and delivery charges, 9% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Mississippi Power Co. bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $82.00 |
| 1,000 kWh | $164.00 |
| 1,500 kWh | $246.00 |
| 2,000 kWh | $328.00 |
Mississippi Power Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Electric Service (R-60) Single-Phasetime-of-use | 2026-01-13 | $253.85 | 10.5¢ (12am–12am) — summer weekdays |
| Residential Electric Service (R-60) Three-Phasetime-of-use | 2026-01-13 | $253.85 | 10.5¢ (12am–12am) — summer weekdays |
| Residential Swimming Pool Heating Electric Service Rider (SPH-15)time-of-use | 2013-12-17 | $1.56 | 26.1¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Mississippi Power Co. rate history
2015–2025: +13% change in the average residential rate (13.92¢ → 15.69¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Mississippi Power Co. | Mississippi avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 105 | 531 | 266 |
| Outages per customer (SAIFI) | 1.03 | 2.41 | 1.34 |
| Average restoration time (CAIDI) | 102 min | — | — |
| Outage minutes excluding major storms | 76 | 288 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Mississippi Power Co.'s counties, customers averaged 4 hr 30 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Jefferson Davis | 1,387 | 98 | 3,229 | 2025-05-26 |
| Smith | 1,083 | 107 | 2,041 | 2025-07-25 |
| Covington | 889 | 103 | 3,442 | 2025-03-15 |
| Perry | 711 | 78 | 2,340 | 2025-03-16 |
| Scott | 627 | 116 | 5,062 | 2025-02-16 |
| Marion | 625 | 100 | 2,369 | 2025-03-15 |
| Jasper | 520 | 96 | 2,561 | 2025-02-16 |
| Lauderdale | 497 | 77 | 10,916 | 2025-02-16 |
| Clarke | 464 | 70 | 1,875 | 2025-03-31 |
| Greene | 446 | 64 | 1,461 | 2025-03-05 |
| Leake | 437 | 106 | 3,069 | 2025-02-16 |
| Wayne | 382 | 68 | 3,668 | 2025-02-16 |
| Newton | 340 | 84 | 2,104 | 2025-02-16 |
| George | 325 | 93 | 1,708 | 2025-04-06 |
| Stone | 292 | 52 | 6,749 | 2025-04-05 |
| Lamar | 223 | 68 | 4,105 | 2025-12-08 |
| Neshoba | 214 | 76 | 6,905 | 2025-05-26 |
| Pearl River | 193 | 56 | 4,027 | 2025-05-07 |
| Jackson | 182 | 101 | 3,643 | 2025-01-22 |
| Jones | 149 | 56 | 2,379 | 2025-03-31 |
| Forrest | 105 | 47 | 2,771 | 2025-06-15 |
| Hancock | 99 | 42 | 2,585 | 2025-06-11 |
| Harrison | 89 | 60 | 4,210 | 2025-06-02 |
Mississippi Power Co. service area
Mississippi Power Co. serves 23 counties in Mississippi and 95 ZIP codes.
Clarke, Covington, Forrest, George, Greene, Hancock, Harrison, Jackson, Jasper, Jefferson Davis, Jones, Lamar, Lauderdale, Leake, Marion, Neshoba, Newton, Pearl River, Perry, Scott, Smith, Stone, Wayne
Cities: Gulfport, West Gulfport, Hattiesburg, Biloxi, Meridian, Pascagoula, Laurel, Gautier, Ocean Springs, Long Beach, Moss Point, Carriere, D'Iberville, Petal, Picayune, Bay Saint Louis, Saint Martin, Gulf Hills, Waveland, Columbia, West Hattiesburg, Gulf Park Estates, Forest, Pass Christian, Waynesboro, Ellisville, Wiggins, Morton, Newton, Hickory Hills, Lucedale, Poplarville, Collins, Purvis, Lumberton, Quitman, Union, Hide-A-Way Lake, Decatur, Bay Springs
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 530 |
| Residential efficiency incentives paid (2025) | $1,988,010 |
| Residential energy saved by programs | 15,834 MWh |
Mississippi Power Co. at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing |
| Commercial rate | 13.34¢/kWh |
| Industrial rate | 8.29¢/kWh |
| Retail revenue (2025) | $1,084,738,000 |
| Electricity sold (2025) | 9,859,048 MWh |
| Peak demand | 2,271 MW summer · 2,263 MW winter |
| Power from own generation | 94% (rest purchased) |
| Line losses | 2.9% |
| Balancing authority | SOCO |
| EIA utility ID | 12686 |
Other utilities in Mississippi
Frequently asked questions
What is Mississippi Power Co.'s electricity rate?
Mississippi Power Co. residential customers pay an average of 16.40¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 11% above the Mississippi average of 14.77¢ and 9% below the U.S. average.
What is the average Mississippi Power Co. electric bill?
About $187 a month. The average Mississippi Power Co. home uses 1,139 kWh a month. At 1,000 kWh the bill would be about $164.
How many customers does Mississippi Power Co. have?
Mississippi Power Co. serves 158,206 residential customers and 193,135 customers in total in Mississippi, across 23 counties.
How reliable is Mississippi Power Co.?
In 2025, the average Mississippi Power Co. customer was without power for 105 min (SAIDI) over 1.03 interruptions (SAIFI), including major storms. Excluding major event days it was 76 min. The Mississippi average was 8 hr 51 min and the U.S. average 4 hr 26 min.
Does Mississippi Power Co. offer time-of-use rates?
Yes. The OpenEI rate database lists 3 time-of-use residential plans, including Residential Electric Service (R-60) Single-Phase. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Mississippi Power Co. offer net metering for solar?
Mississippi Power Co. had 530 residential net-metered customers in 2025 with 5.1 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Mississippi Power Co. before making decisions.