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Standby Generator Cost in Toronto: What 2026 Quotes Look Like

Last updated:ByStandby Power Desk

A fully installed standby generator in Toronto costs $6,500 to $9,500 for a 7.5-11 kW unit, $9,500 to $13,000 at 14-18 kW, and $13,000 to $16,500 at 20-26 kW, according to RenoHouse. Gas line length and a panel upgrade move the total most. Prices exclude 13 percent HST.

What does a standby generator cost by size in Toronto?

This range rests on 4 independent sources, counted from the 14 priced lines below rather than from a list at the bottom of the page. Every figure was re-read in the page it is credited to. Where sources disagree, both numbers are shown and the disagreement is named in the row's condition; we do not average them and we do not widen a range to cover one.

Each bar runs from the low to the high of one published range, on a scale shared by every standby generator installation line quoted in the same unit. Bars that do not line up are sources that do not agree. 14 of 14 priced lines are drawn here; the numbers are the same ones in the table below.

per project (CAD)

  • Standby generator, 7.5-11 kW, fully installed

    $6,500–$9,500

  • Standby generator, 14-18 kW, fully installed

    $9,500–$13,000

  • Standby generator, 20-26 kW, fully installed

    $13,000–$16,500

  • Generator plus battery hybrid system, fully installed (premium tier above 26 kW)

    $25,000–$55,000

  • 200A service-rated automatic transfer switch with load management, installed

    $1,400–$1,800

  • Gas line from meter, TSSA-licensed sub-contractor (30-50 ft run)

    $1,200–$2,200

  • Electrical tie-in, ESA Master Electrician (panel plus transfer switch wiring)

    $1,800–$2,400

  • Concrete equipment pad, poured (4 ft x 5 ft, 6-inch slab)

    $400–$700

  • Permits, inspections and commissioning (16 kW example project)

    $400–$700

  • Electrical panel upgrade, 100A to 200A (if required)

    $1,400–$1,800

  • Whole-home standby generator, installed total (KoljiBros system-cost table)

    $18,000–$35,000

per unit (CAD)

  • 16 kW Generac Guardian generator cabinet, equipment only

    $5,200–$5,800

  • Generator equipment only, 22-26 kW (large standby)

    $7,000–$10,000

  • Generator equipment only, 24-26 kW (large standby)

    $7,000–$8,500

  • Standby generator, 7.5-11 kW, fully installed

    Feeds a cherry-picked critical sub-panel only, not the main panel. RenoHouse states this tier cannot run central air conditioning, an electric range, an electric dryer or EV charging during an outage.

    Typical range
    $6,500–$9,500
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Standby generator, 14-18 kW, fully installed

    Covers the entire main panel only because a smart load-management module sheds heavy loads (EV charger, electric range, dryer). Assumes existing natural-gas service.

    Typical range
    $9,500–$13,000
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Standby generator, 20-26 kW, fully installed

    The tier for homes over 3,500 sq ft, two HVAC zones, or a Level 2 EV charger the owner will not shed. Sized to run the whole house at once, so nothing is load-managed.

    Typical range
    $13,000–$16,500
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Generator plus battery hybrid system, fully installed (premium tier above 26 kW)

    Not a larger generator: this pairs a smaller standby unit (RenoHouse says typically 14 kW) with battery storage that covers short outages silently and only starts the generator past 4-6 hours.

    Typical range
    $25,000–$55,000
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • 16 kW Generac Guardian generator cabinet, equipment only

    Cabinet only, Wi-Fi model. A line item inside RenoHouse's worked breakdown of one $11,500 turnkey install, not a standalone retail price.

    Typical range
    $5,200–$5,800
    Unit
    per unit (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Generator equipment only, 22-26 kW (large standby)

    "or more" - Remarkable Electric gives this as an open-ended upper bound, and the price includes the automatic transfer switch, not the generator alone.

    Typical range
    $7,000–$10,000
    Unit
    per unit (CAD)
    Source
    Remarkable Electric (Hamilton/Niagara, Ontario)

  • Generator equipment only, 24-26 kW (large standby)

    Equipment only, before installation. TrueSource frames this tier as the one where no load management is needed.

    Typical range
    $7,000–$8,500
    Unit
    per unit (CAD)
    Source
    TrueSource Generators (Canada, 2026)

  • 200A service-rated automatic transfer switch with load management, installed

    Service-rated 200A switch with the PWRmanager load module. A line item within RenoHouse's worked 16 kW install, so it assumes the rest of that job is being done at the same time.

    Typical range
    $1,400–$1,800
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Gas line from meter, TSSA-licensed sub-contractor (30-50 ft run)

    For a 30-50 ft run. RenoHouse states on the same page that a 60+ ft run from meter to side yard adds $500-$1,000 on top.

    Typical range
    $1,200–$2,200
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Electrical tie-in, ESA Master Electrician (panel plus transfer switch wiring)

    Panel and ATS wiring by an ESA Master Electrician sub-trade. Excludes a panel upgrade: RenoHouse notes a 100A panel typically needs upsizing to 200A first.

    Typical range
    $1,800–$2,400
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Concrete equipment pad, poured (4 ft x 5 ft, 6-inch slab)

    A poured 4 ft x 5 ft, 6-inch slab specifically. A composite or gravel pad is a different product at a different price.

    Typical range
    $400–$700
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Permits, inspections and commissioning (16 kW example project)

    Permits, ESA and TSSA inspections and commissioning for RenoHouse's worked 16 kW example. Not a published municipal fee schedule.

    Typical range
    $400–$700
    Unit
    per project (CAD)
    Source
    RenoHouse (Toronto, 2026 guide)

  • Electrical panel upgrade, 100A to 200A (if required)

    Only where the panel forces it. KoljiBros lists the triggers as a panel of 100 amps or less, a fuse box rather than breakers, no space for transfer-switch breakers, or an outdated panel; and prices it as work done at the same time as the generator install.

    Typical range
    $1,400–$1,800
    Unit
    per project (CAD)
    Source
    Kolji Bros. Electrical (Ontario, 2026)

  • Whole-home standby generator, installed total (KoljiBros system-cost table)

    KoljiBros gives this as the total including all installation, for a system powering the entire home automatically.

    Typical range
    $18,000–$35,000
    Unit
    per project (CAD)
    Source
    Kolji Bros. Electrical (Ontario, 2026)

What is actually inside the number?

Two quotes for the same job are hard to compare when one folds a line into its total and the other leaves it out. This is the shape of the work, stage by stage, with every figure taken from the same priced lines in the table above.

What a turnkey generator price is made of

Two quotes for the same generator can differ by thousands because one of them is a cabinet price and the other is the whole job. These are the lines one Toronto source itemised inside a single worked 16 kW install.

The machine

  • Generator cabinet, equipment only

    $5,200–$5,800

    The cabinet on its own, before anyone connects it. On this worked example it is under half the job.

Feeding it and switching it over

  • Gas line from the meter

    $1,200–$2,200

    Priced for a 30 to 50 ft run by a TSSA-licensed sub-trade. The same source adds more for a run past 60 ft.

  • Service-rated automatic transfer switch

    $1,400–$1,800

    A 200A service-rated switch with the load-management module, which is what lets a mid-size unit cover the whole panel.

  • Electrical tie-in

    $1,800–$2,400

    Panel and switch wiring by an ESA Master Electrician. This line excludes a panel upgrade.

Standing it up and signing it off

  • Concrete equipment pad

    $400–$700

    A poured 4 ft by 5 ft slab specifically. A composite or gravel pad is a different product at a different price.

  • Permits, inspections, commissioning

    $400–$700

    The ESA and TSSA inspections and commissioning for this example project, not a published municipal fee schedule.

Only if the panel forces it

  • Panel upgrade, 100A to 200A

    $1,400–$1,800

    Triggered by a panel of 100 amps or less, a fuse box, no room for the switch breakers, or an outdated panel. Not on every job.

Published band, 14-18 kW fully installed

$9,500–$13,000

The itemised lines above come from one worked 16 kW example, which sits inside this band and comes from the same source. They are what that example listed, not an addition that produces the band, and this figure does not add them up.

What drives the price?

Size, access and how much of the existing electrical and gas work has to be redone move a standby generator installation quote more than brand choice does. Each factor below is one a source on this page prices or names.

  • Generator size (kW) - the single biggest driver; equipment cost roughly doubles from a 10 kW unit ($3,500-$5,200) to a 22-26 kW unit ($7,000-$10,000)
  • Gas line length and routing - a 30-50 ft TSSA-licensed run costs $1,200-$2,200, with longer runs adding more
  • Transfer switch type - a full 200A service-rated automatic transfer switch with load management ($1,400-$1,800) costs more than a manual switch or interlock kit
  • Electrical panel condition - a 100A-to-200A upgrade adds $1,400-$1,800 or more depending on scope
  • Site access and distance between the gas meter, electrical panel, and generator pad location
  • Permits: ESA electrical permit, TSSA gas permit, and municipal building permit where applicable, together $400-$700 in RenoHouse's example
  • Concrete pad and finishing work (screening, minor carpentry) - $400-$700+ in RenoHouse's Toronto breakdown
  • Fuel type - a natural gas connection ($500-$2,200) is generally cheaper than installing a new propane tank

What's specific to Ontario and Toronto?

Ontario adds 13 percent HST, requires an ESA permit for the electrical work and a TSSA permit for anything gas-fired, and licenses who may do each. These are the local rules that change the total.

  • An ESA (Electrical Safety Authority) electrical permit is mandatory for every standby generator installation regardless of size, and must be pulled by an ESA-licensed electrical contractor.
  • Gas line work must be done or supervised by a TSSA-licensed gas fitter; RenoHouse's Toronto example prices this sub-contract at $1,200-$2,200 for a standard 30-50 ft run.
  • HST at 13% applies to the full installed price in Ontario; confirm whether quotes are HST-in or HST-extra before comparing.
  • Municipal building permit requirements vary by city within the GTA - some municipalities require a separate building permit for the concrete pad or enclosure in addition to the ESA and TSSA permits.
  • Propane systems requiring a new large-capacity tank add materially to project cost and may trigger additional TSSA and fire-code setback requirements versus a natural gas hookup.

How can I pay less?

The biggest savings come from bundling visits, avoiding after-hours rates, and checking which fees a quote already contains. Each tip below is tied to a figure in the table above.

  • Get 3+ itemized quotes broken out by component (unit, transfer switch, gas line, electrical tie-in, permits) so you can compare like-for-like instead of a single bottom-line number.
  • Confirm your panel is already 200A before budgeting - skipping a needed panel upgrade can leave a $1,400-$1,800+ gap in your final invoice.
  • Choose a shorter, more direct gas line run and a generator pad location close to both the meter and the panel; every extra 10 ft of trenching adds cost.
  • Ask whether ESA, TSSA and municipal permit fees are included in the quote or billed separately - RenoHouse's example bundles all three for $400-$700, but not every installer does.
  • Size the generator to your actual essential-circuit load rather than defaulting to whole-home coverage; stepping from a 20-26 kW system down to a 10-14 kW unit can meaningfully cut equipment cost.
  • Book installation in the off-season (late fall or winter) when crews have more room to negotiate than during the spring storm-season rush.

How did we research these numbers?

Every price on this page was found in the page it is credited to, and recorded with the sentence that carries it. Where a figure could not be found in its source it was removed rather than adjusted. Here is what that left, and what it could not settle.

  • RenoHouse's Toronto-specific tiered breakdown (7.5-11 kW at $6,500-$9,500; 14-18 kW at $9,500-$13,000; 20-26 kW at $13,000-$16,500, all fully installed) is the most granular Toronto data found, and it lines up reasonably well with Kolji Bros. Electrical's and Remarkable Electric's broader Ontario-wide ranges.
  • Sources disagree on the 20-26 kW total: RenoHouse quotes $13,000-$16,500 installed in Toronto proper, while Kolji Bros.' broader 'whole-home standby' band (20,000-48,000 watts) runs $18,000-$35,000 - the spread reflects home size, gas line length, and whether the quote bundles a full panel upgrade.
  • Panel upgrades are a common wildcard: Kolji Bros. Electrical prices a 100A-to-200A upgrade at $1,400-$1,800 as a standalone item, while RenoHouse's Toronto guide folds a similar upgrade into a bundled project quote - always ask whether your quote assumes your panel is already 200A.
  • Every Ontario/GTA source agrees gas line distance from the meter is a major swing factor: RenoHouse prices a standard 30-50 ft TSSA-licensed run at $1,200-$2,200 and flags that 60+ ft runs add another $500-$1,000.
  • Entry-level 9-13 kW equipment pricing is consistent across sources: Remarkable Electric's 10 kW unit ($3,500-$5,000) and TrueSource Generators' 10-14 kW band ($3,600-$5,200) land within a few hundred dollars of each other.
  • No Toronto-specific source published standalone pricing for a pure 26kW+ single-fuel unit; RenoHouse's only data point above 26 kW is a generator-plus-battery hybrid tier ($25,000-$55,000), so treat large single-fuel standby pricing above 26 kW as extrapolated from the 20-26 kW band.

Sources

Who can do the work?

Home Generator Index tracks 56 standby generator installers across the Greater Toronto Area, rated 4.74★ on average. The three below rank highest on our review-weighted score, based on Home Generator Index's analysis of 56 GTA businesses, August 2026.

4 photographs published by 3 of the standby generator installation companies above, on their own Google Business profiles. We show a picture only after looking at it, and only where the subject is the installed work. Storefronts, staff portraits, branded vans and manufacturer product shots are held back, because none of them says anything about whether a company can wire a transfer switch.
See all 56 standby generator installers on Home Generator Index

Work out your own numbers

The table above is what other people paid. These calculators put your own house into the same published figures, and none of them asks for an email address.

What do the terms on a generator quote mean?

Two standby generator installation quotes are hard to compare when each uses the same word for a different scope. These 3 terms appear on the line items above, and each one changes what a number covers.

Load management
A module that sheds heavy circuits (EV charger, electric range, dryer) when a big load like the air conditioner starts, so a smaller generator can cover the whole panel. It is why a 14-18 kW unit can be sold as whole-home: without it, that tier runs the essential circuits only.
Service-rated transfer switch
A transfer switch mounted between the utility meter and the main panel, replacing or supplementing the main breaker. It is the usual choice in Toronto for whole-home coverage, and it is the reason a 100A panel often has to be upsized to 200A before the switch can go in.
Turnkey
A single quoted price covering the generator, the pad, the gas line, the electrical tie-in, permits, inspections and commissioning. A cabinet price is not a turnkey price; on the worked example on this page the cabinet is under half the job.

What else changes the total?

a Standby Generator is rarely quoted on its own. A cost that looks like an overrun on a standby generator installation quote is usually a priced line item on one of these three guides.

Frequently asked questions

How much does a standby generator cost installed in Toronto?

Toronto installers price whole-home standby generators in tiers: $6,500 to $9,500 for a small 7.5-11 kW unit, $9,500 to $13,000 for a mid-size 14-18 kW unit, and $13,000 to $16,500 for a large 20-26 kW unit, all fully installed, per RenoHouse's 2026 Toronto guide.

How much does a 22 kW generator cost installed in the GTA?

A 24-26 kW system runs roughly $7,000 to $8,500 for the equipment alone per TrueSource Generators, while Toronto-specific RenoHouse pricing for the full 20-26 kW installed tier lands at $13,000 to $16,500 - the gap comes down to gas line length, transfer switch spec, and panel condition.

What does the automatic transfer switch cost as part of the install?

A 200A service-rated automatic transfer switch with load management runs $1,400 to $1,800 as an installed component, per RenoHouse's itemized Toronto breakdown.

Do I need a permit to install a standby generator in Ontario?

Yes. An ESA electrical permit is required for the electrical work and a TSSA-licensed gas fitter is required for the gas line. RenoHouse's Toronto example bundles permits, inspections and commissioning at $400 to $700.

How much does it cost to upgrade an electrical panel for a generator?

Kolji Bros. Electrical prices a 100A-to-200A panel upgrade at $1,400 to $1,800 in its Ontario 2026 pricing guide.

How much does the gas line hookup cost?

A standard 30-50 ft natural gas line run from a TSSA-licensed sub-contractor costs $1,200 to $2,200 in RenoHouse's Toronto pricing, with 60+ ft runs adding another $500 to $1,000.

Is a smaller generator meaningfully cheaper?

Yes. A 9-13 kW unit costs roughly $3,500 to $5,200 in equipment alone versus $7,000 to $10,000 for a 22-26 kW unit, roughly double, so sizing to essential circuits rather than whole-home coverage cuts equipment cost significantly.

Does HST apply to generator installation in Ontario?

Yes, the standard 13% HST applies to residential generator installation labour and equipment in Ontario; confirm whether a quote is HST-in or HST-extra before comparing bids.

Questions to ask your contractor

  1. What is your ECRA/ESA licence number, so I can check it on esasafe.com?
  2. How did you size the unit, and can I see the load calculation?
  3. Who runs the gas line, and are they a TSSA certified gas fitter?
  4. Does the price include the permit, the inspection and the pad? See what the line items cost
  5. What does your labour warranty cover, and what is the manufacturer's warranty on the unit?