Generator Installation in Markham, ON

Compare 27 generator installation contractors near you in Markham and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 28, 2026

Verified Pro Installers

Other Businesses in This Area

Innovation Electric Inc.

5.0~11 years online
innovationelectricinc.com

JTL Electric Ltd.

5.0
jtlelectric.ca

Ontario Generator Systems

5.0

Amazing Electric Ltd.

4.9
amazingelectric.ca

Aurora Generators

4.9~21 years online
auroragenerators.com

Captain Electric

4.9
captainelectric.ca

On Spot Repair- Stouffville | GTA Small Engine Dealer

4.8
onspotrepair.caGet a Free Quote

Markham Mower

4.719½+ years online
markhammower.com

Aurora Lighting & Electrical Supply

4.513½+ years online
bulbspro.com

House of Electrical Supplies Limited

4.529+ years online
houseofelectrical.com

Northern Generator Company Ltd.

4.526½+ years online
northerngenerator.comGet a Free Quote

Markham Outdoor Power

4.424½+ years online
markhamoutdoorpower.com

Rand Electric

4.4
randelectric.ca

Standby Generator Services Inc

4.3~16 years online
sgspowergeneration.comGet a Free Quote

First Power Generators

4.2~10 years online
firstpowergenerators.comGet a Free Quote

Princess Auto

4.230 years online
princessauto.com/en/store

Generator Installation in Nearby ON Cities

Generator Installation in Markham, ON

Markham generator work serves a tech-corridor demographic (IBM, Toshiba, AMD) that can't tolerate outages during ice events. Most newer Markham homes already have 200A service. 22kW natural-gas standby on Enbridge Gas with Alectra coordination is standard. ESA Notification of Work and Ontario Master Electrician license required.

Markham generator installs run $7,000-$16,500 CAD for 22-26 kW Generac, Kohler, or Cummins units (premium market). ON requires Master Electrician license. Permits ($175-$400). Setbacks: 1.5m from structures, 0.5m from PL.

Frequently Asked Questions

Service upgrade?
Most newer Markham homes have 200-amp service.
Natural gas?
Enbridge covers most Markham.
Multilingual?
Many Markham installers offer Cantonese, Mandarin, English.

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