How much does generator installation cost in Houston?

Most whole-home standby installations in Houston run $5,600–$13,000 all-in, including the unit, labor, and permit fees. Get quotes from at least 2–3 verified local installers below for an accurate number for your home.

How long does installation take in Houston?

Most installations take 1–2 days once permits are approved; permit approval timelines vary by city and typically add 1–4 weeks.

Generator Installers in Houston, TX

Compare local installers

Colwell Electric

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.

Years in business
Fuel types: Natural gas, Propane
License: Verified
Service area: Houston, Conroe, Cypress, Magnolia, Spring, Sugar Land, and surrounding Greater Houston communities

View profile & get a quote (713) 849-4427

Generators of Houston

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.

Years in business
Fuel types: Natural gas, Propane
License: Verified
Service area: Greater Houston area

View profile & get a quote (713) 812-7285

Critical Power Solutions

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.

Years in business
Fuel types: Natural gas, Propane
License: Verified
Service area: Houston, Sugar Land, Richmond, Katy, Cinco Ranch, Rosenberg, Memorial, The Woodlands, Pearland, Friendswood, Spring, Tomball, Cypress, Missouri City, Pasadena, and League City

View profile & get a quote (281) 771-8850

Average cost in Houston

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.

Permit & code requirements in Houston

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.

Frequently asked questions

Do I need a permit to install a generator in Houston?: City of Houston requires an electrical permit through the Houston Permitting Center; flood-zone properties may have additional equipment-elevation requirements.
How much does generator installation cost in Houston?: Most whole-home standby installations in Houston run $5,600–$13,000 all-in, including the unit, labor, and permit fees. Get quotes from at least 2–3 verified local installers below for an accurate number for your home.
How long does installation take in Houston?: Most installations take 1–2 days once permits are approved; permit approval timelines vary by city and typically add 1–4 weeks.