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Running wiring from your home to a detached garage for an EV charger is meaningfully more involved than installation in an attached garage, and cost reflects that. Here is what actually drives the price, from the licensed electricians at EZSMART, serving Toronto and the GTA.
For detached garage installations, installing a subpanel at the garage is often more cost effective than running a single very long circuit from the main panel. A subpanel provides multiple circuits in one location, allowing you to add outlets, lighting, or additional charging stations in the future without new long runs from the house. Panels from manufacturers like Eaton or Square D are typical choices.
An in-person assessment is really the only reliable way to quote this kind of project, since distance, routing, and trenching all vary by property. Work should be permitted through the Electrical Safety Authority.
Do I have to trench underground for a detached garage EV charger?
Not necessarily. Overhead options are sometimes viable depending on your property.
Is it cheaper to install multiple chargers at once?
Yes, per charger the cost typically drops significantly if you install multiple at the same time, since the main run and panel work is shared.
Can I add power to my detached garage now and add a charger later?
Yes, this is a reasonable phased approach, though sizing the initial run for future charger needs is important.
Planning an EV charger install for a detached garage? EZSMART provides licensed detached garage electrical installations across Toronto and the GTA. Call 416-838-9006, and see what our customers say on our Google reviews page.
Electrician Since 2008 Journeyman Electrician Designated Master Electrician at EZSMART Corp
