LumoWatt
List

Generator Installers in St. Louis, MO

Compare local installers

Brand
Fuel type
Status

Showing 3 of 3 installers

Bates Electric

Bates Electric serves St. Louis with whole-home Generac standby-generator design, installation, transfer-switch integration, maintenance, and emergency electrical service.

Fuel types
Natural gas, Propane
License
License checked
Service area
St. Louis and surrounding eastern-Missouri communities
View profile & get a quote(636) 242-6334

Hoffmann Brothers

Hoffmann Brothers provides residential and commercial standby-generator installation, repair, maintenance, and electrical integration throughout the St. Louis area.

Fuel types
Natural gas, Propane
License
License checked
Service area
St. Louis, St. Louis County, and nearby eastern-Missouri communities
View profile & get a quote(314) 664-3011

Streib Company

Streib Company is a St. Louis electrical contractor installing and maintaining whole-home and commercial backup generators and related electrical systems.

Fuel types
Natural gas, Propane
License
License checked
Service area
St. Louis and surrounding eastern-Missouri communities
View profile & get a quote(314) 487-7474

Average cost in St. Louis

Whole-home standby generator installation in St. Louis typically costs $7,000–$15,100 all-in. See our full cost breakdown guide for what drives the price up or down.

Permit & code requirements in St. Louis

St. Louis requires electrical permits and inspections for permanently installed standby generators, transfer switches, and associated electrical work.

See the full Missouri state permit overview.

Frequently asked questions

Do I need a permit to install a generator in St. Louis?
St. Louis requires electrical permits and inspections for permanently installed standby generators, transfer switches, and associated electrical work.
How much does generator installation cost in St. Louis?
Most whole-home standby installations in St. Louis run $7,000–$15,100 all-in, including the unit, labor, and permit fees. Get quotes from at least 2–3 license-checked local installers below for an accurate number for your home.
How long does installation take in St. Louis?
Most installations take 1–2 days once permits are approved; permit approval timelines vary by city and typically add 1–4 weeks.

Nearby cities