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Emergency Standby Generator Services

We supply and install propane and natural gas power generators of all shapes and sizes.

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Residential & Commercial Electrical Services

Quality Craftsmanship From Licensed Electricians in Hamilton & Throughout the GTA.

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Commercial Lighting & LED Retrofit Services

Save on energy with quality craftsmanship for retail spaces & municipal lighting.

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Your Trusted Electrical Contractors.

Denny’s is an electric company with over 100 years of technical expertise, and a team of over 40 journeyman & master electricians under one roof. Electrical Safety is our priority, using a cost-effective approach to complete the job with elegant craftsmanship. Denny’s Electric is a solid partner with Nutech Fire Prevention. Working together provides 24/7 emergency electrical and safety related services for any customer in need. Start Now.

Emergency Backup Generators. Denny’s service & install Generac emergency standby generators for all houses and mid-to-high rise condominiums.

Wiring & Panel Upgrades. Existing electrical panel upgrade increases the bandwidth for new technologies and standard appliances. Don’t get left in the dark.

General Electrical Services. As professional commercial & industrial electricians, we deliver energy efficiency and safety. Contact your local electrical technician today.

Proudly servicing the Greater Toronto-Hamilton Area and beyond.

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“Denny’s Electric has been providing us with services since 2007 and are currently servicing 141 of our buildings. We are happy with their services and appreciate their response time to our service calls. Their workmanship is great and I have no issues recommending them for any projects requiring electrical work.”

Hersel Tehranzadeh — Project Manager, Effort Trust

“Electricians from Denny’s Electric Hamilton were on-site at Wentworth Lodge over the course of four months.  This contractor has been very diligent in meeting all of the quality and safety requirements for this project.”

Gwen Enright — Building Services Director, City of Hamilton

“DeFaveri has had the pleasure of working with Denny’s Electric in Hamilton on various public and private projects including retrofits and new builds. We’re pleasured with the work performed by the team, and would highly recommend them.”

Derek Meigs — Project Manager, DeFaveri Group Contracting Inc.

“I’ve found Denny’s Electric to be fully competent and capable. They’re able to mobilize sufficient forces to ensure on time and on budget completion of both straight forward and complicated projects.”

Steven C. Swing — Consulting Engineer, NRG Consultants Inc.