Toronto Generator & Backup Power Costs (2026)
Last updated:ByStandby Power Desk
These guides answer one question plainly: what does backup power actually cost in the Greater Toronto Area? Every price is quoted in Canadian dollars, dated August 2026, and tied to a named source, so you can trace each number back to the contractor or guide it came from. Home Generator Index reconciles conflicting quotes by widening the range instead of picking a favourite, and notes where 13% HST and Ontario permit fees apply.
Which cost guide do you need?
8 researched pricing guides for the Greater Toronto Area, each with a full source-cited price table and local FAQs.
Standby Generator Installation costs
A 14-18 kW standby generator runs $9,500 to $13,000 fully installed in Toronto.
Generator Repair & Maintenance costs
An annual service visit is listed at $350 for a 7-22 kW air-cooled unit, $450 for 22-100 kW liquid-cooled.
Transfer Switch Installation costs
Automatic transfer switches run $1,500 to $3,000 installed; manual switches are $800 to $1,500.
Commercial Backup Power costs
Whole-house standby units run $10,000 to $16,000 fully installed; permits add $400 to $800.
Home Battery Backup costs
A Tesla Powerwall 3 runs $16,500 to $20,700 installed; the HRSP rebate pays $300 per kWh.
Electrical Panel Upgrades costs
A 100A to 200A upgrade runs $1,500 to $4,000 all-in, plus a $678 Toronto Hydro fee.
Electricians costs
Licensed electricians bill $80 to $150 an hour, with a $150 to $300 service-call minimum.
HVAC & Fuel Line Contractors costs
A 30-50 ft gas run from the meter costs $1,200 to $2,200.
Comparing two options?
Head-to-head cost and capability breakdowns for the choices Toronto homeowners weigh most.
Frequently asked questions
Are these prices current and sourced?
- Every number on these cost guides comes from a named source, most published in 2025 or 2026, and each guide is reviewed before it goes live. Where sources disagreed, Home Generator Index widened the range rather than pick one. Figures benchmarked from US pricing, which happens where no Canadian supplier publishes a rate, are labelled as such in the table.
Do the prices include HST?
- No, unless a row says otherwise. Ontario charges 13% HST on generator equipment, installation labour, service contracts and rental fees, and most contractor price lists quote before tax. Add 13% to any quote before comparing, and confirm whether a competing bid is tax-in or tax-extra.
Do these prices include permits and inspections?
- Only where a row says so. Every permanent generator installation in Ontario needs an ESA electrical permit, and a natural gas or propane unit also needs a TSSA fuel-gas permit. Combined with a municipal building permit, the package typically runs $400 to $800 (Ontario Generator Systems). Some contractors fold this into a bundled quote and some bill it separately.
How were these numbers researched?
- Home Generator Index collected published prices from Ontario and GTA electrical, generator and gas contractors, then cross-checked them across sources. Ontario suppliers of large commercial units and rental fleets quote per project and publish nothing, so those bands carry US benchmark figures, marked in the row. Every guide names its sources.