15.34¢
per kWh, 2025
[ Southwest Mississippi E P A / MS ]
Southwest Mississippi E P A electricity rates in Mississippi
CO-OP BOARD SETS RATES · DATA 2025
change in average rate, 2024→2025
+2.1%
vs 2024
23,095
residential customers
+21.5%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Southwest Mississippi E P A's average effective residential rate (15.34¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 12.24¢ | — | 23,294 |
| 2016 | 12.09¢ | −1.2% | 23,231 |
| 2017 | 12.40¢ | +2.6% | 23,219 |
| 2018 | 12.41¢ | +0.1% | 23,177 |
| 2019 | 12.39¢ | −0.2% | 22,956 |
| 2020 | 12.63¢ | +1.9% | 23,093 |
| 2021 | 13.23¢ | +4.8% | 23,256 |
| 2022 | 13.69¢ | +3.5% | 23,292 |
| 2023 | 14.19¢ | +3.6% | 23,195 |
| 2024 | 15.03¢ | +5.9% | 23,153 |
| 2025 | 15.34¢ | +2.1% | 23,095 |
How this compares
14.03¢
Mississippi average, 2025
+9.3%
Southwest Mississippi E P A vs MS 2025 average
−11.0%
vs US 2025 average
#5
priciest in MS
Serves 9 counties in Mississippi: Adams, Amite, Claiborne, Copiah, Franklin, Hinds, Jefferson, Lincoln, Wilkinson. 23 ZIP codes.
What the numbers show
Since 2015, Southwest Mississippi E P A's average residential rate has gone from 12.24¢ to 15.34¢ per kWh: +25.3% over 10 years, or about +2.3% a year. It rose in 8 of the 10 years we can compare, and the biggest one-year increase was +5.9% in 2024. The largest drop was −1.2% in 2016.
For a home using 1,184 kWh a month, the Mississippi average, Southwest Mississippi E P A's 2025 rate works out to about $2,180 a year, $186 more than at Mississippi's average rate of 14.03¢. Of the 40 Mississippi utilities in our data with a 2025 price, it is the 5th most expensive.
Southwest Mississippi E P A served 23,294 homes in 2015 and 23,095 in 2025 (−0.8%), about 2% of Mississippi's residential electricity customers.
Who sets Southwest Mississippi E P A's rates
Southwest Mississippi E P A is a member-owned electric cooperative. A board elected by its members sets its rates. In some states the Mississippi Public Service Commission also reviews co-op rates, but most co-op rate changes do not go through a commission rate case, so watch the co-op's own member notices and board meetings.
Commission contact: Mississippi Public Service Commission. How we calculate every figure on this page: methodology.
Questions
Is Southwest Mississippi E P A raising rates in 2026?
Southwest Mississippi E P A's rates are set by its member-elected board, not through a rate case at the Mississippi Public Service Commission, so check its own notices for a change this year. Its average residential rate moved +2.1% from 2024 to 2025.
What does Southwest Mississippi E P A charge per kWh?
Southwest Mississippi E P A's average effective residential rate was 15.34¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Mississippi's 2025 average was 14.03¢.
How much have Southwest Mississippi E P A rates gone up in five years?
+21.5% between 2020 and 2025, against +26.7% for Mississippi as a whole over the latest five-year window.
How many customers does Southwest Mississippi E P A have in Mississippi?
23,095 residential customers in 2025, across 9 counties including Adams, Amite, Claiborne, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey, which every US utility files. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)