Updated: March 2026
Commercial rate guide for Mississippi Power — Southeast Mississippi including Gulfport, Biloxi, Hattiesburg, Meridian, and Laurel. A Southern Company subsidiary serving approximately 190,000 customers across 23 counties.
General service rate for small commercial. Large power rate (LPL) with demand charges for accounts above 200 kW. Performance evaluation plan (PEP) mechanism adjusts rates annually.
Rising
4.6% base rate increase effective January 2026, approved by Mississippi PSC unde
4.6% base rate increase effective January 2026, approved by Mississippi PSC under PEP mechanism
Property managers with Mississippi Power accounts frequently encounter these billing challenges:
PEP mechanism annual rate adjustments causing recurring bill changes
Environmental compliance cost recovery riders on all accounts
Hurricane cost securitization charges as permanent surcharges
Fuel cost recovery volatility month-to-month
The utility is the sole provider in this service territory.
Mississippi is a fully regulated state. Mississippi Power is a vertically integrated subsidiary of Southern Company providing all electric services.
Environmental compliance cost recovery filing pending MPSC review for 2026-2027
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