Population 2,300,000 · 18 license-checked installers listed
Prefer to pick installers yourself? Check the box on any listing below to compare a few side by side or request quotes directly from the ones you choose.
LumoWatt does not use a hidden pay-to-rank system, no installer can pay for a higher spot in the list below. The only requirement to appear here is a checked state electrical license, confirmed against the state licensing board as part of our approval process. By default, installers are listed alphabetically, not ranked by quality, use the sort dropdown below to re-order by years in business or how recently we checked a listing yourself.
Currently 18 license-verified installers are listed for Houston, most recently checked 2026-07-22. See our editorial policy and listing standards & verification methodology for the full details, or verify licenses yourself at the Texas state licensing authority.
When you request a quote below, it goes to only the installers you pick, up to three per request, we never bulk-sell or share your contact details with anyone outside that request.
Showing 18 of 18 installers. Check the box on any installer below to compare a few side by side or request quotes directly from the ones you pick.
A&A GenPro LLC is a licensed electrical contractor serving the Houston, Texas area (license #41091). Premier Cummins Generator Dealer.
Aaron's Electrical Service holds an active Texas electrical contractor license (#31569) and serves the Dallas area. Briggs & Stratton generator dealer serving Houston & DFW.
Based in the Houston, Texas area, Backup Electric holds an active electrical contractor license (#31877). The business name points to a generator or backup-power specialty, pending direct confirmation.
Colwell Electric is a licensed electrical contractor based in Houston, TX, with over 30 years of experience installing whole-home standby generators. Factory trained in Kohler, Duromax, and Generac, they offer 24/7 emergency availability and serve residential and commercial customers across the Greater Houston area.
Critical Power Solutions is a veteran and family-owned electrical contractor established in 2010, based in Sugar Land/Richmond, TX. A factory-certified Kohler and Generac dealer, they provide residential and commercial generator installation, maintenance, and 24/7 emergency service across the Greater Houston area, handling all permitting and code compliance.
Generator Industries LLC holds an active Texas electrical contractor license (#31315) and serves the Houston area. Kohler-certified technicians, factory training.
Generator Power Systems LLC is a licensed electrical contractor serving the Houston, Texas area (license #26890). Authorized Kohler dealer; affiliate of Fish Electric Inc, founded 1981.
Generator Service Industrial LLC is a licensed electrical contractor serving the Houston, Texas area (license #37429). Its business name suggests a generator/backup-power focus, though this has not yet been directly confirmed with the business.
Generators of Houston is a Generac PowerPro Premier Dealer specializing in residential and commercial standby generator sales, installation, and service. They maintain a large in-stock inventory of units ranging from 18kW to 80kW and offer certified technician support across the Greater Houston area.
Generators of Texas LLC holds an active Texas electrical contractor license (#40535) and serves the Houston area. Generac generators with expert installation included.
Kwik Power Generators, LLC is a licensed electrical contractor serving the Houston, Texas area (license #39455). Generac Power Systems specialist, standby installs/service.
Never Without Power Generators LLC holds an active Texas electrical contractor license (#37270) and serves the Houston area. Generac authorized Select Dealer.
Based in the Houston, Texas area, PSL Technology LLC is a state-licensed electrical contractor (#36187). Certified Briggs & Stratton dealer, 500+ installs completed.
PulsePower Generators holds an active Texas electrical contractor license (#39735) and serves the Houston area. Sells/installs Kohler and Generac.
PWR House Generators holds an active Texas electrical contractor license (#39444) and serves the Houston area. Family-owned; whole-house/backup/portable generator sales & installation.
Based in the Houston, Texas area, Quality Generators LLC is a state-licensed electrical contractor (#26338). Kohler-certified technicians.
Reese Electric Generator Sources is a licensed electrical contractor serving the Houston, Texas area (license #23960). Its business name suggests a generator/backup-power focus, though this has not yet been directly confirmed with the business.
Texas Best Generator Services LLC is a licensed electrical contractor serving the Houston, Texas area (license #41544). Veteran-owned; certified Generac & Kohler install/service.
Whole-home standby generator installation in Houston typically costs $5,600-$13,000 all-in. See our full cost breakdown guide for what drives the price up or down, or use the generator sizing calculator for an estimate based on your own home.
This range is a LumoWatt estimate for Houston, not an independently published market study, based on the equipment and labor costs we typically see quoted in this area. Actual quotes vary by home size, generator capacity, and site conditions.
City of Houston requires an electrical permit through the Houston Permitting Center; flood-zone properties may have additional equipment-elevation requirements.
See the full Texas state permit overview.
Texas has one of the highest whole-home standby generator adoption rates in the US following the February 2021 winter storm grid failure (Winter Storm Uri) and continued summer-heat grid strain warnings from ERCOT.
Houston sits in a hurricane-exposed Gulf Coast region on top of the statewide winter-storm and summer grid-strain risk above, homeowners here are weighing two separate outage patterns: multi-day hurricane-season outages (June through November) and the winter grid events that affect all of Texas. Both are real reasons whole-home standby coverage is common in the area.
Because much of Houston sits in FEMA-mapped flood zones, some installations also need equipment placed on an elevated pad or bracket to meet local flood-damage-prevention rules, on top of the standard electrical permit through the Houston Permitting Center. Confirm your property's flood zone and any elevation requirement with the permitting center before installation.
Per the Houston Permitting Center's own generator permit page, once issued a generator permit stays valid for 180 days to complete the work, worth knowing if your installation gets delayed by equipment availability or scheduling.
Every installer listed above has had their Texas electrical license confirmed against the state licensing board, that's the one verification standard LumoWatt applies everywhere, not a Houston-specific one. For a deeper look at typical costs across the state, see our Texas whole-home generator cost guide, or compare installers in Dallas and Austin.
Page data last updated July 18, 2026. Who runs LumoWatt.
