
Generator Installation in Seattle, WA
Compare 28 generator installation contractors near you in Seattle and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated May 26, 2026
Most pros respond within 2–24 hours
Verified Pro Installers


Auxiliary Engine & Generator Services

Galaxy Electric & Solar LLC

Mirsky Electric

Kitsap Diesel & Generator Repair
Claimed Businesses in This Area
Other Businesses in This Area
Generator Supercenter of Puget Sound
5.01½+ years onlineW E Electric
5.020+ years onlineBrechtech Services
4.93+ years onlineClean Energy Innovators
4.93½+ years onlineEco Electric, Plumbing, Heating and Air
4.9~9 years onlineGeneratech Inc
4.92½+ years onlineHatton Power & Propulsion
4.93½+ years onlineKonsker Electric
4.96½+ years onlineRock Electric
4.97 years onlineWashington Generators LLC- Woodinville
4.911½+ years onlineEvergreen Home Heating and Energy
4.817½+ years onlineGo Green Heating AC & Electric
4.810½+ years onlineWashington Generators LLC
4.811½+ years onlineMER Equipment
4.727½+ years onlineArtisan Electric
4.6~18 years onlineKeithly Electric Co
4.625½+ years onlineReign City Electric
4.6Mr. Electric of Greater Seattle
4.530+ years onlineNorthern Lights Power & Energy
4.529 years onlineN C Power Systems
4.429 years onlineGenerator Installation in Nearby WA Cities
Other Services in Seattle
Generator Installation in Seattle, WA
Seattle generator installation is essential after recurring windstorm outages on PSE/SCL feeders. Whole-home standby on natural gas keeps furnaces, sump pumps, and freezers running. Older Capitol Hill homes may need 200-amp upgrades. NeedInstall connects you with Seattle generator installers familiar with PSE/SCL interconnection rules, WA contractor licensing, and HOA setback requirements.
Seattle generator installs run $7,000-$16,000 for 22-26 kW Generac, Kohler, or Cummins units (premium market). WA requires a state EC license. Permits ($175-$450). Setbacks: 5 ft from structures, 18 inches from PL.
Frequently Asked Questions
- Service upgrade?
- Older Seattle homes often have 100-amp panels.
- Natural gas?
- PSE/NW Natural covers most Seattle.
- How often will it run?
- Most use 8-30 hours per year.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Seattle 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.