Whole house generator installers in Louisiana
Power, cost, permits & sizing ↓Louisiana
147 Louisiana companies install and service home standby generators, including 59 generator specialists and factory-authorized dealers. Company and brand details come from each company's own website — for warranty work, confirm current dealer status with the manufacturer directly.
147 companies
Generator specialists (23)
Acadiana Generator Services, LLC Generator specialist
Broad Point Power Solutions Generator specialist
CPG Power Generator specialist
Generator Power Systems of LA Generator specialist
Generator Service Partners Generator specialist
Generator Supercenter of Lake Charles Generator specialist
Generator Supercenter of Shreveport Generator specialist
GenPro Generators (GenPro, LLC) Generator specialist
GenSolutions Generator specialist
GPOD (Generators LLC) Generator specialist
Guy's Generators Generator specialist
HMC Generators Generator specialist
Kelley Power LLC Generator specialist
Lighthouse Generators Generator specialist
Louisiana Generators Generator specialist
Magic Electric Generators Generator specialist
MidSouth Power Solutions Generator specialist
Northshore Generators Generator specialist
Optimize Generator People Generator specialist
Pan American Power Generator specialist
Ready Power USA Generator specialist
Southwest Generator Sales & Service Generator specialist
The Gen Stop Generator specialist
Electrical contractors that install generators (48)
3213 RELE Electrical contractor
A.R.E. Louisiana, Inc. Electrical contractor
B Powered Electric, LLC Electrical contractor
Baton Rouge Air Electrical contractor
Big Family Electric Electrical contractor
Comeaux Electric Electrical contractor
Down Line Electric Electrical contractor
Drop Line Electric Electrical contractor
Ed's Electric Electrical contractor
Electrical Innovators Inc Electrical contractor
Farthing Electric LLC Electrical contractor
Full Time Electric & AC Electrical contractor
G&R Professional Services Electrical contractor
Genesis Electric, LLC Electrical contractor
Gridic Electrical Services Electrical contractor
Hayes Electrical LLC Electrical contractor
HMR Electrical Contracting LLC Electrical contractor
Jack Spring Electrical Electrical contractor
Jake's Pros Electrical contractor
K C Electric, Inc. Electrical contractor
Kastner Electric Electrical contractor
KB Electric Electrical contractor
Kliebert Electrical Services Electrical contractor
L&M Electric, LLC Electrical contractor
Larry's Electric Electrical contractor
Lightning Electric Electrical contractor
McNeer Electrical Contracting Electrical contractor
Mike Sanchez Electric Electrical contractor
MK Electric Man Electrical contractor
MK Electric Man - Jefferson Parish Electrical contractor
Next Gen Electric Electrical contractor
No Limits Electrical, Inc. Electrical contractor
North Louisiana Electrical Electrical contractor
P.T. Electrical Services, Inc. Electrical contractor
Pipes & Plugs Electrical contractor
Platinum Home Services Electrical contractor
Prime Energy Solutions Electrical contractor
Rimmer Electric Inc Electrical contractor
RLH Electric LLC Electrical contractor
Shadoin Electrical Services Electrical contractor
Sims Electrical Services LLC Electrical contractor
Southern Air Electrical contractor
Southern Amped Electric, LLC Electrical contractor
Stricklin and Porter Electrical contractor
Tangi Electric & Maintenance Company, Inc. Electrical contractor
Thibodeaux Electric Electrical contractor
Turtle Electric Electrical contractor
Walker Electric Electrical contractor
HVAC & plumbing contractors that install generators (40)
A & P Solutions LLC HVAC / plumbing contractor
AccuTemp HVAC / plumbing contractor
Ace Cooling, Heating, Plumbing & Electrical HVAC / plumbing contractor
Albritton Service Co HVAC / plumbing contractor
Axsom Air HVAC / plumbing contractor
Benfatti Air Conditioning and Heating, Inc. HVAC / plumbing contractor
Best Services of Louisiana HVAC / plumbing contractor
Brandon Trahan & Sons Heating & Air Conditioning HVAC / plumbing contractor
Burkhardt Air Conditioning, Heating, Electrical & Generators HVAC / plumbing contractor
Cajun Comfort HVAC / plumbing contractor
Dave Broussard A/C, Heating & Electrical HVAC / plumbing contractor
Doug's Service Company HVAC / plumbing contractor
Dream Team Heating & Air HVAC / plumbing contractor
Expert Air A/C and Heating, LLC HVAC / plumbing contractor
Express Heating & Air Conditioning HVAC / plumbing contractor
Foulks Southern Air (Southern Air of Northshore) HVAC / plumbing contractor
Gore's Services HVAC / plumbing contractor
Gowland's Heating & A/C HVAC / plumbing contractor
H&E Comfort Services HVAC / plumbing contractor
Hall's Heating, Air Conditioning & Refrigeration HVAC / plumbing contractor
Hargrave's Plumbing HVAC / plumbing contractor
Keefe's Air Conditioning, Heating, Electrical, Generator & Plumbing HVAC / plumbing contractor
Kwatt Electric, LLC HVAC / plumbing contractor
Lane's A/C & Heating HVAC / plumbing contractor
Lightning Service Inc HVAC / plumbing contractor
Magnolia Air HVAC / plumbing contractor
Moreau's Thermal Services, Inc HVAC / plumbing contractor
Oasis AC Services HVAC / plumbing contractor
Rob's Air Conditioning & Heating Inc. HVAC / plumbing contractor
Seruntine Refrigeration Services HVAC / plumbing contractor
Siener Air HVAC / plumbing contractor
Southern AC and Heating HVAC / plumbing contractor
Southern Air Baton Rouge HVAC / plumbing contractor
Southern Force Heating & Cooling HVAC / plumbing contractor
Southern HVAC HVAC / plumbing contractor
Stuart Services HVAC / plumbing contractor
Surgi's Heating, Cooling, Electrical and Plumbing HVAC / plumbing contractor
Thermal Solutions HVAC / plumbing contractor
Trahan's Cooling, Heating & Plumbing HVAC / plumbing contractor
Walters Sheet Metal HVAC / plumbing contractor
Power in Louisiana
No state loses power like Louisiana does. When Hurricane Ida came ashore near Port Fourchon on August 29, 2021, it knocked out all eight transmission lines that feed the New Orleans area and dropped a 400-foot transmission tower into the Mississippi River — the entire city went dark, and more than a million customers across the state lost power, some for weeks in the September heat. A year earlier Hurricane Laura had flattened the grid around Lake Charles. Between the hurricanes that roll up from the Gulf, the ice storms that hit the north, and the everyday summer thunderstorms, an outage here isn't a question of if but when — and when the power goes, so does the air conditioning, in a climate where heat and humidity turn a dark house dangerous within hours for infants, older residents, and anyone on medical equipment. A whole-house standby generator starts itself within seconds of an outage and keeps the AC, refrigerator, and well pump running on natural gas or propane until the grid comes back — however many days that takes.
Generator permits & codes in Louisiana
- Who issues permits
- Your parish government or city building department issues the permit and inspects the work. Louisiana is unusual in enforcing a single mandatory statewide code — the Louisiana State Uniform Construction Code (LSUCC), administered by the Louisiana State Uniform Construction Code Council under the Office of State Fire Marshal — that no parish or municipality may make more or less stringent (La. R.S. 40:1730.23); local governments handle permitting and inspection but enforce that one code. The electrical work must be performed by a contractor licensed in the electrical classification by the Louisiana State Licensing Board for Contractors (LSLBC).
- Typical permit cost
- Set by each parish or municipality, and generally modest for a residential job: many Louisiana jurisdictions price a residential electrical/mechanical permit off the job valuation or a flat trade-permit fee in the low hundreds of dollars, and a generator install typically pulls an electrical permit plus a gas sub-permit, each with its own fee. Confirm the exact schedule with your local building office before the job, since there is no statewide permit fee.
- Timeline
- Varies by parish. In the larger jurisdictions a residential electrical/gas permit for a like-for-like generator install is often issued within a few business days, with a single rough/final inspection after the work; rural parishes that contract out inspection can run longer. Expect the whole calendar — quote, permit, install, inspection — to stretch far longer in the weeks after a hurricane, when both permit offices and installers are swamped.
- Code in force
- The 2020 National Electrical Code, as amended by the LSUCCC, in force statewide since January 1, 2023 (alongside the 2021 editions of the IRC, IBC, IFGC, IMC, and IPC). Louisiana law requires the state to move to each new NEC within five years: the LSUCCC approved adoption of the 2023 NEC and the 2024 I-Codes on July 7, 2026, so an updated code edition is expected to take effect shortly — confirm which edition your parish is enforcing at permit time.
- Major utilities
- Entergy Louisiana is the largest electric utility, serving most of the state outside the city; Entergy New Orleans serves Orleans Parish (and is regulated by the New Orleans City Council, not the Public Service Commission). Cleco Power covers much of central and southwest Louisiana, and SWEPCO (Southwestern Electric Power) serves the northwest around Shreveport. Large rural areas buy power from electric cooperatives such as DEMCO (Dixie Electric Membership) around Baton Rouge — during Hurricane Ida, Entergy's Louisiana utilities, Cleco, and DEMCO were the three hardest-hit systems.
- Worth knowing
- Louisiana's storm exposure is the whole reason this market exists, and it shapes two install details you won't see up north. First, elevation: near the coast the generator and its transfer switch often have to be mounted on a raised stand to clear the FEMA flood elevation, which the local inspector will check — a slab-on-grade install that would pass in Ohio can fail here. Second, fuel autonomy: because a Gulf hurricane can black out a parish for a week or more, propane customers should size the tank for days of runtime, not hours, since refill trucks can't reach a flooded or debris-blocked road.
Common questions about whole house generators in Louisiana
How much does a standby generator cost installed in Louisiana?
For a typical Louisiana home, budget roughly $9,000–$16,000 all-in
for a whole-house air-cooled standby generator (about 18–26 kW):
the unit, the automatic transfer switch, a pad set above the local
flood elevation, gas or propane hookup, the electrical work, and
permits. Essentials-only units (10–14 kW) covering the AC, fridge,
and a few circuits run about $6,000–$9,000; liquid-cooled units for
large homes go past $20,000. Two Louisiana-specific cost drivers:
elevation and fuel. Generators near the coast often have to be raised
on a stand to clear the flood plain, and where no natural-gas main
reaches — much of rural Acadiana and the parishes — you're on propane
and need a tank.
Do I need a permit to install a generator in Louisiana?
Yes. Louisiana enforces one statewide building code — the Louisiana
State Uniform Construction Code (LSUCC) — but permits are pulled and
inspected locally: your parish government or city building department
issues the electrical (and usually a gas/mechanical) permit for the
job. The electrical work must be done by a contractor holding the
right license from the Louisiana State Licensing Board for Contractors
(LSLBC); because a residential job over $7,500 already requires a
state-licensed residential contractor, virtually every whole-house
generator install crosses that line. A reputable installer pulls the
permits as part of the price — treat anyone who offers to skip them as
a red flag.
What size generator do I need in Louisiana?
The honest answer is a load calculation, which any good installer
runs during the site visit. Sizing here is driven by air
conditioning: essentials only (one AC zone, fridge, well pump, some
lights) fits in 10–14 kW; a typical whole house with central AC
lands at 18–26 kW; large homes with two AC units, a pool pump, or
a well need more. Because a Louisiana outage almost always arrives in
hurricane season, when it's hot and humid, undersizing means the
generator sheds exactly what you wanted most — the AC. A load calc that
accounts for your compressor's startup surge is the difference between a
unit that carries the house and one that trips.
Natural gas or propane — which should I run in Louisiana?
It depends on your address. In New Orleans, Baton Rouge, and the
larger towns a natural-gas main usually reaches the house, and natural
gas is the easy choice: no tank, no refills, an effectively unlimited
supply during a long outage. Across much of rural Louisiana — the
bayou parishes, Acadiana, the north — there's no gas main, so a
standby unit runs on propane from a tank on the property. Propane
works fine and stores for years, but during a multi-day hurricane
outage you'll want a tank sized so you're not chasing a refill truck
when every road is blocked. Your installer will size the tank to the
generator's burn rate and the runtime you want.
How long does installation take?
The on-site work is usually one to two days once the unit is on
hand: set the pad (often raised for flood clearance), run gas and
electrical, mount the transfer switch, and commission. The calendar
time is longer — site visit, quote, permit, and unit availability. The
hard truth in Louisiana is that the worst time to buy is right after a
hurricane, when every house on the block wants the same generator and
lead times stretch for months. Ordering ahead of the June–November
hurricane season is the single best way to actually have power when the
next storm hits.
What maintenance does a standby generator need on the Gulf Coast?
Annual service — oil and filter, spark plugs on schedule, a battery
check, and a load test — plus the weekly self-test the unit runs on
its own. Louisiana's heat, humidity, and salt air are hard on the
battery and the enclosure, and near the coast corrosion is a real
enemy, so an aluminum enclosure and a battery proven before June matter
more here than almost anywhere. You want the unit tested going into
hurricane season, not discovered dead during it. Many Louisiana
installers listed here offer maintenance plans, and several service
brands they don't sell — a neglected battery is the most common reason
a generator fails to start when the grid goes down.