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Generator Installation · Mississippi
A generator must connect through a transfer switch or an approved interlock so it can never feed power back into utility lines. Electricians install standby generators, portable generator inlets with interlocks, and the transfer equipment for both.
Hurricanes on the Gulf Coast and summer heat drive generator, surge and AC-circuit work.
Across the Southeast, homes deal with heat, humidity, frequent thunderstorms and hurricane season near the coast. Permit offices, utilities and housing stock differ by city, which affects how generator installation is planned and scheduled. These local guides cover the Mississippi cities where we have written specific notes.
After Katrina, many Gulfport families sat without power for weeks, and backup power is now a standard part of hurricane planning here. Homes rebuilt since 2005 are often elevated, and a standby generator should be raised to match, on a platform above expected flood levels, in a corrosion-resistant enclosure suited to salt air.
Utility: Mississippi Power
Central Mississippi gets ice storms just often enough to catch homeowners unprepared, and spring storms can leave tree-lined neighborhoods without power for days. For many Jackson households, the first priority is the refrigerator and a few lights, then window AC or the furnace blower depending on season.
Utility: Entergy Mississippi
Hattiesburg has been hit hard by tornadoes, including in February 2013 and January 2017, and Katrina's winds left the area without power for days in 2005. Backup power for the refrigerator, fans, a window AC unit and a few lights is the usual starting point, and a portable generator through an outdoor inlet and panel interlock covers those safely.
Utility: Mississippi Power (some outlying areas: electric cooperatives)
1. Size the load
Circuits that must stay powered are listed and the generator sized.
2. Choose the connection
Inlet and interlock, manual transfer switch or automatic transfer switch.
3. Install and inspect
Permitted installation, gas connection by a licensed fitter where needed, and inspection.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Gulfport: Electrical permits inside city limits come from the City of Gulfport's building department; unincorporated Harrison County and neighboring cities such as Biloxi and Long Beach issue their own. Jackson: Inside city limits, electrical permits come from the City of Jackson's permits office; Madison, Rankin and other nearby counties and towns issue their own. Hattiesburg: Electrical permits inside city limits come from the City of Hattiesburg's building and permits office.
Gulfport: Mississippi Power. Jackson: Entergy Mississippi. Hattiesburg: Mississippi Power (some outlying areas: electric cooperatives).
Listed interlock kits are accepted in many jurisdictions when installed with a permit. Your electrician will know the local rule.
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