Generator Installation in Mesa, AZ

Compare 23 generator installation contractors near you in Mesa and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 22, 2026

Verified Pro Installers

Other Businesses in This Area

Empire Power Systems

29+ years online
empire-cat.com/locations/mesa-power-systems

Arizona Backup Power | Generac | Electrical

5.0~4 years online
azbackuppower.com

Az Generator

5.0

Central Power Systems & Services

5.028+ years online
cpower.com

NES Electrical Services

5.09 mo online
neselectricalservices.com

ACT Electric

4.8~11 years online
actelectricians.com

Javier's Quick Electricians

4.8

Mister Sparky® of Mesa & Chandler

4.828½+ years online
mistersparky.com/mesa-chandlerGet a Free Quote

Mesa Precision Motor Services

4.714½+ years online
mesaprecisionmotor.com

Mow Power

4.7~14 years online
mowpoweraz.com

A & G Turf Equipment, Inc. (Mesa Location)

4.626+ years online
agturf.com

APD Power Center

4.6~23 years online
allproductsdistributing.com

Tempe Power Equipment LLC

4.4~22 years online
tempepowerequipment.com

Valleywide Generator Service, LLC

3.914½+ years online
valleywidegeneratorservice.com

Cummins Sales and Service

3.735½+ years online
cummins.com/sales-and-service

RV Eagle - Aqua-hot, Onan Generator, Magnum Inverter, Electrical Repair

3.216½+ years online
rveagle.com

Affordable Generator and Power Systems, LLC

1.819½+ years online
affordablegenerator.com

Generator Installation in Nearby AZ Cities

About Generator Installation in Mesa

Generator installation ranges from portable transfer switch setups to whole-home standby generators that start automatically during power outages. Standby generators connect to your electrical panel and run on natural gas or propane.

Typical costs: A transfer switch for a portable generator costs $500–$1,500 installed. Whole-home standby generators (Generac, Kohler) typically run $5,000–$15,000 fully installed including the concrete pad, gas line, and electrical connections.

Common projects include:
  • Whole-home standby generator installation
  • Transfer switch installation for portable generator
  • Generator maintenance and load testing
  • Natural gas line connection for generator
  • Commercial backup power systems

Standby generator installations require electrical permits and often gas or plumbing permits for the fuel line. Some areas also require noise or setback compliance.

Frequently Asked Questions

How much does generator installation cost in Mesa?
A whole-home standby generator (14–22 kW) with automatic transfer switch typically costs $5,000–$15,000 installed. The unit itself is roughly half the cost — installation includes the concrete pad, gas line, electrical hookup, and permits.
How do I find a reliable generator installation contractor in Mesa?
Choose an installer authorized by the generator manufacturer (Generac, Kohler, Briggs & Stratton). They should perform a load calculation to properly size the unit, not just recommend the biggest one. Ask about warranty terms and annual maintenance plans.
Do I need a permit for generator installation in Mesa?
Yes — standby generators require electrical permits and typically gas or plumbing permits for the fuel connection. Your installer should handle all permit applications and coordinate inspections.

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