Whole house generator installers in Alabama
Power, cost, permits & sizing ↓Alabama
99 Alabama companies install and service home standby generators, including 28 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.
99 companies
Generator specialists (9)
Auxiliary Power Systems, Inc Generator specialist
Ci Power Solutions, LLC Generator specialist
Current Electrical (Generac Superstore) Generator specialist
Gen-Co, Inc. Generator specialist
Generator Installation Birmingham Generator specialist
Generator Solutions, Inc. Generator specialist
Heritage Generator Generator specialist
Hyatt Emergency Standby Power, LLC Generator specialist
Valley Generator Services LLC Generator specialist
Electrical contractors that install generators (32)
Abel Electric Inc & Groups Electrical contractor
Amped Up Electrical LLC Electrical contractor
Armstrong Electrical Contractors Electrical contractor
Baldwin County Generators Electrical contractor
Bippen Electric, Inc Electrical contractor
Birmingham Advanced Electrical Electrical contractor
Brighter Electric LLC Electrical contractor
Brown Electric Electrical contractor
BS Electric Electrical contractor
Dixie Electric, Plumbing & Air Electrical contractor
Dr. Electric Electrical contractor
Electric Concepts Electrical contractor
H & R Electric, LLC Electrical contractor
HC Blake Electrical contractor
InstaElectricians Electrical contractor
JC Electric LLC Electrical contractor
John's Electric, Inc. Electrical contractor
Littleton Electric Service, Inc. Electrical contractor
McCord Electric Service LLC Electrical contractor
Opelika Electrician Electrical contractor
Power Up Lighting & Electrical, LLC Electrical contractor
Premier Service Company, Inc. Electrical contractor
Professional Electric Electrical contractor
Spartan Electric LLC Electrical contractor
Superior Service Electric Electrical contractor
Surf's Up Home Service Electrical contractor
Surfside Services Electrical contractor
Team B Electrik Electrical contractor
THM Electrical and Maintenance Services, LLC Electrical contractor
Thompson Electric Electrical contractor
Tri-States Electrical Electrical contractor
White Plumbing & Electrical Co Inc Electrical contractor
HVAC & plumbing contractors that install generators (39)
5 Starr Plumbing Heating and Air HVAC / plumbing contractor
Adams Services Co HVAC / plumbing contractor
AirNow Home Services HVAC / plumbing contractor
Baldwin Cooling, Heating, Plumbing & Electrical HVAC / plumbing contractor
Banks Quarles Plumbing, Heating, Cooling, and Electrical HVAC / plumbing contractor
Batchelor's Service HVAC / plumbing contractor
Blake Brothers HVAC / plumbing contractor
Bobby Terry Company HVAC / plumbing contractor
Capital Comfort Services HVAC / plumbing contractor
Carden Heating & Cooling, Inc. HVAC / plumbing contractor
Conditioned Air Solutions HVAC / plumbing contractor
Cool Breeze, Inc. HVAC / plumbing contractor
Dunn's HVAC, Plumbing and Electrical HVAC / plumbing contractor
Fuller HVAC, Plumbing & Electrical HVAC / plumbing contractor
GasPro HVAC / plumbing contractor
Guin Service, LLC HVAC / plumbing contractor
Hansen Super Techs HVAC / plumbing contractor
Harris Services HVAC / plumbing contractor
Ingersoll's Refrigeration Air Conditioning & Heating Inc. HVAC / plumbing contractor
Inland Air Systems HVAC / plumbing contractor
Jackson Plumbing, Heating & Cooling HVAC / plumbing contractor
JC Hamm & Sons, Inc. HVAC / plumbing contractor
Keith Air Conditioning, Inc. HVAC / plumbing contractor
LaConsay Air & Heating HVAC / plumbing contractor
Mainline Heating & Air Conditioning HVAC / plumbing contractor
Midsouth Installers Heating & Cooling Inc. HVAC / plumbing contractor
MPE Services HVAC / plumbing contractor
Netherland Air Conditioning LLC HVAC / plumbing contractor
P&C Southern Solutions HVAC / plumbing contractor
Richard Electric Company, Inc HVAC / plumbing contractor
Sentry Heating, Air Conditioning, Plumbing & Electrical HVAC / plumbing contractor
Skelton's Heating, Cooling & Plumbing HVAC / plumbing contractor
Southeastern Cooling, Heating & Plumbing HVAC / plumbing contractor
Southern Air, Inc. HVAC / plumbing contractor
Standard Heating, Cooling & Plumbing HVAC / plumbing contractor
Stegall HVAC / plumbing contractor
Turner & Schoel HVAC / plumbing contractor
W.C. Wright And Son, Inc. HVAC / plumbing contractor
Xcalibur Services HVAC / plumbing contractor
Power in Alabama
Alabama gets hit from both ends of the calendar. Spring brings some of the most violent tornadoes in the country: the April 27, 2011 super outbreak killed 252 people across the state and tore apart Tuscaloosa and Hackleburg, and it did something else that stuck — it destroyed hundreds of transmission towers and left much of north Alabama dark for days, even where the neighborhood's own lines were fine. Late summer brings the Gulf: Hurricane Ivan in 2004 and Hurricane Sally in 2020 both came ashore near Gulf Shores and knocked out power to hundreds of thousands. Add the ice storms that glaze the north and the long, brutal summers that lean on air conditioning, and a whole-home standby generator earns its keep — it starts on its own within seconds and keeps the AC, well pump, refrigerator, and medical equipment running on natural gas or propane until service returns.
Generator permits & codes in Alabama
- Who issues permits
- Where a jurisdiction enforces codes, the local building department issues the permit and inspects the work; Alabama is a home-rule state, and many rural, unincorporated areas have no residential permit or inspection requirement at all. The electrical work is licensed either way: the electrician must hold a license from the Alabama Electrical Contractors Board or from the county or municipality where the work is performed.
- Timeline
- Varies widely by jurisdiction. In cities and larger counties a residential generator permit is usually issued over the counter or online with a single electrical inspection (plus a gas inspection where a line is run); in unincorporated areas there may be no permit step at all.
- Code in force
- Residential wiring follows the 2021 International Residential Code (effective October 1, 2022), whose electrical provisions are based on the 2020 National Electrical Code; state-regulated buildings are on the 2020 NEC directly. Alabama has no single electrical code enforced in every jurisdiction, and residential code authority moved to the Home Builders Licensure Board in October 2024 — confirm the edition and whether a permit is required with your local building department.
- Major utilities
- Alabama Power, a Southern Company utility, serves most of central and south Alabama; the northern third of the state is Tennessee Valley Authority territory, delivered by local distributors such as Huntsville Utilities and Decatur Utilities; about two dozen electric cooperatives cover the rural remainder. Alabama Power's interconnection rules require a permanently installed generator to isolate from the grid through a proper transfer switch so it can never backfeed the lines and endanger crews.
- Worth knowing
- On April 27, 2011, the worst tornado outbreak in Alabama history destroyed more than 300 Tennessee Valley Authority transmission towers and over 100 transmission lines, blacking out the entire Huntsville area and much of north Alabama for days — even in neighborhoods whose own power lines were untouched — because the bulk transmission feeding the region was gone. It is the clearest argument for on-site backup: your street can be fine and you are still dark for a week.
Common questions about whole house generators in Alabama
How much does a standby generator cost installed in Alabama?
For a typical Alabama home, budget roughly $9,000–$15,000 all-in for a
whole-house air-cooled standby unit (about 18–26 kW): the
generator, the automatic transfer switch, a pad, the fuel hookup, the
electrical work, and permits. A smaller essentials-only unit
(10–14 kW) runs about $6,000–$9,000, and liquid-cooled units for
large homes climb past $20,000. Fuel is the swing factor: Birmingham,
Huntsville, Montgomery, and Mobile mostly have natural-gas service, but
much of the rural countryside and co-op territory has no gas main, so
those installs run on a propane tank that adds to the up-front cost.
Do I need a permit to install a generator in Alabama?
Usually, but it depends on where you live. In cities and larger
counties a standby generator install needs an electrical permit — and
often a gas permit — from the local building department, followed by an
inspection; in much of rural, unincorporated Alabama there is no local
permit or inspection requirement at all. Either way the wiring is
licensed work: the electrician must hold a license from the Alabama
Electrical Contractors Board or from the city or county where the job
is done. A reputable installer knows your jurisdiction's rules and
pulls whatever permits apply — confirm the license and don't let anyone
talk you out of an inspection where one is required.
What size generator do I need in Alabama?
That comes down to a load calculation, which any good installer runs
during the site visit. In Alabama the load that usually drives sizing
is air conditioning: the summers are long, hot, and humid — brutally so
on the Gulf Coast — so central AC runs for months, and its compressor
start-up surge sets a floor on capacity. Winter adds a second peak
where homes run a heat pump with electric-resistance backup strips, and
rural homes on a private well lose their water the moment the power
quits. Essentials only fits in 10–14 kW; a typical whole house
lands at 18–26 kW; a soft-start on the AC can keep the unit and
the price smaller.
Generac, Kohler, Cummins, or Briggs & Stratton — does the brand matter?
All four make reliable home standby units; the installer and the
service relationship afterward matter more than the badge. Generac has
the largest dealer network in Alabama, so parts and warranty techs are
easy to find from Huntsville down to the coast; Kohler and Cummins have
strong dealers in the major metros. A factory-authorized dealer can
perform warranty service on its own brand, which is worth weighing when
two brands otherwise look alike. Use the brand pages here to see who
installs and services each one near you.
How long does installation take?
The on-site work is usually one to two days once the unit is in hand:
set the pad, run the gas and electrical, mount the transfer switch, and
commission it. The calendar time is longer — a site visit and quote,
then permitting where it applies, then the inspection. After a major
tornado outbreak or a Gulf hurricane, that timeline stretches, because
every house in the county wants a generator and an installer at the
same moment. Ordering ahead of spring storm season and hurricane
season, rather than the week after, is how you avoid competing for both
the unit and the crew.
What maintenance does a standby generator need?
An annual service — oil and filter, spark plugs on schedule, a battery
check, and a load test — on top of the weekly self-test the unit runs
on its own. Alabama's heat and humidity are hard on the battery and
enclosure, and a unit near the Gulf Coast wants a regular corrosion
check against the salt air. The point is to prove the unit works before
the season it's needed, not during it. Many installers listed here
offer maintenance plans, and several service brands they don't sell.
Neglected maintenance is the most common reason a generator fails to
start when the grid finally goes down.