Hunter Service Group
Verified Pro
~5 years online4.9(958)
Generator Installation in San Antonio, TX
Compare 24 generator installation contractors near you in San Antonio and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 27, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
4A Electrical Services, LLC
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4.87 years onlineGoGEN Services, LLC
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4.8Mr. Electric of San Antonio
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4.55+ years onlineGenerator Installation in Nearby TX Cities
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Generator Installation in San Antonio, TX
San Antonio generator installers in this directory cover central San Antonio, Stone Oak, Alamo Heights, the Northwest Side, and surrounding Bexar County. Texas grid emergencies and ice storms drive consistent generator demand. A 22-26 kW air-cooled Generac, Kohler, or Cummins on natural gas runs $11,000-$16,500 installed.
CPS Energy covers most San Antonio electric and gas service. Permits run through San Antonio Development Services. Hill Country WUI properties benefit from generator+propane setups.
Frequently Asked Questions
- Will my SA generator handle Texas grid emergencies?
- Yes — natural-gas-fed standby units run continuously through multi-day outages.
- Do I need a permit?
- Yes — electrical permit for the ATS, gas permit for the supply line.
- How big a generator?
- Most 2,000-2,800 sq ft San Antonio homes are well-served by a 22-26 kW unit.
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NeedInstall helps connect customers with local installation professionals across San Antonio and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.