- Church-Wellesley
- Solar Panel Installation
- Also solar battery storage
75/100 SolarPanelFinder Score
- Says it is licensed
- Says it has been going since 2018
6/6 details published6 of 6 details published
How Much Does Solar Battery Storage Cost in Toronto in 2026?
Last updated By The SolarPanelFinder Rooftop Desk
- Home battery storage, Ontario, installed
- $8,500–$24,000per system, CAD, before incentives: Home battery storage, Ontario, installed (Solar X Canada, Home Battery Storage Ontario 2026)
- Tesla Powerwall 3 (13.5 kWh), fully installed in Ontario
- $19,000–$24,000per unit, CAD, before incentives: Tesla Powerwall 3 (13.5 kWh), fully installed in Ontario (Solar X Canada, Home Battery Storage Ontario 2026)
- Installed battery cost per kWh of usable capacity, Canada
- $700–$2,000per kWh installed (CAD): Installed battery cost per kWh of usable capacity, Canada (Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026))
- Typical 10 kWh battery unit, Canada
- $7,000–$20,000per unit (CAD): Typical 10 kWh battery unit, Canada (Solar Guide, Solar Panels Cost in Canada 2026)
- Home battery storage, Ontario, common mid-market band
- $13,000–$22,000per system, CAD, before incentives: Home battery storage, Ontario, common mid-market band (Solar X Canada, Home Battery Storage Ontario 2026)
A home battery quote is built from three things: the usable storage in kilowatt hours, the inverter it pairs with, and how much of the house it is wired to back up. Whole-home backup needs more panel work than a single critical-loads subpanel. Retrofitting onto an existing array usually costs more than fitting a battery at the same time as the panels.
Every row names its source
What does a home battery cost by capacity and backup scope?
These solar battery storage figures rest on 5 independent published sources across 12 rows. Each row quotes the sentence its own source used, and nothing here is an average of several.
per system, CAD, before incentives
2 published bands on one scale
Home battery storage, Ontario, common mid-market band
$13,000–$22,000
Solar X Canada, Home Battery Storage Ontario 2026
Home battery storage, Ontario, installed
$8,500–$24,000
Solar X Canada, Home Battery Storage Ontario 2026
add-on to system price (CAD)
2 published bands on one scale
Solis hybrid inverter plus Renon battery added to a solar system, before HST
$9,500–$11,000
Xolar, Cost of Solar Panels in Ontario (2026)
Tesla Powerwall 3 added to a solar system, before HST
$13,000–$17,000
Xolar, Cost of Solar Panels in Ontario (2026)
per project, CAD, before incentives
One published band. Nothing else in this table shares its unit.
8 kW solar array plus Tesla Powerwall 3, complete
$35,900–$45,100
Solar X Canada, Home Battery Storage Ontario 2026
per project (CAD)
One published band. Nothing else in this table shares its unit.
Solar plus battery, 5 to 12 kW systems, before HST
$30,000–$46,300
Xolar, Cost of Solar Panels in Ontario (2026)
per unit, CAD, before incentives
One published band. Nothing else in this table shares its unit.
Tesla Powerwall 3 (13.5 kWh), fully installed in Ontario
$19,000–$24,000
Solar X Canada, Home Battery Storage Ontario 2026
per unit (CAD)
One published band. Nothing else in this table shares its unit.
Typical 10 kWh battery unit, Canada
$7,000–$20,000
Solar Guide, Solar Panels Cost in Canada 2026
per system depending on capacity (CAD)
One published band. Nothing else in this table shares its unit.
Growatt APX HV modular battery (5 to 30 kWh), installed
$8,000–$14,000
Solar X Canada, Home Battery Storage Ontario 2026
per unit added to system cost (CAD)
One published band. Nothing else in this table shares its unit.
Battery added to a solar installation, Canada-wide
$8,000–$15,000
Volts.ca, Solar Panels Cost in Canada 2026
per 5 kWh module (CAD)
One published band. Nothing else in this table shares its unit.
Enphase IQ Battery 5P, installed
$8,500–$11,200
Solar X Canada, Home Battery Storage Ontario 2026
per kWh installed (CAD)
One published band. Nothing else in this table shares its unit.
Installed battery cost per kWh of usable capacity, Canada
$700–$2,000
Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026)
| Item and what the figure covers | Typical range | Unit | Source |
|---|---|---|---|
| Home battery storage, Ontario, installedInstalled, before incentives, and the spread is brand and capacity, not a quote for one job. Published by Solar X, a named Ontario installer and Tesla Certified Installer, so this is a seller's own pricing rather than a market survey. | $8,500–$24,000 | per system, CAD, before incentives | Solar X Canada, Home Battery Storage Ontario 2026 |
| Tesla Powerwall 3 (13.5 kWh), fully installed in OntarioFully installed, before rebates. Solar X is a Tesla Certified Installer quoting its own price. This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $19,000–$24,000 | per unit, CAD, before incentives | Solar X Canada, Home Battery Storage Ontario 2026 |
| Installed battery cost per kWh of usable capacity, CanadaA Canada-wide average per kWh, not an Ontario figure. The source attributes the width of the spread to brand premium, and notes cost per kWh falls as the battery gets larger. | $700–$2,000 | per kWh installed (CAD) | Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026) |
| Typical 10 kWh battery unit, CanadaCanada-wide, derived by the source from its own $700-$2,000 per kWh figure for a 10 kWh unit. This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $7,000–$20,000 | per unit (CAD) | Solar Guide, Solar Panels Cost in Canada 2026 |
| Home battery storage, Ontario, common mid-market bandThe same installer's narrower 'quick answer' band, installed and before incentives; its wider $8,500-$24,000 figure covers the full brand and capacity spread. This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $13,000–$22,000 | per system, CAD, before incentives | Solar X Canada, Home Battery Storage Ontario 2026 |
| Tesla Powerwall 3 added to a solar system, before HSTBefore HST, and this is the added cost against an equivalent solar-only system, not the price of the battery on its own. 13.5 kWh capacity. Xolar's own pricing. | $13,000–$17,000 | add-on to system price (CAD) | Xolar, Cost of Solar Panels in Ontario (2026) |
| Enphase IQ Battery 5P, installedPer 5 kWh module, so a whole-home installation is normally several modules. This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $8,500–$11,200 | per 5 kWh module (CAD) | Solar X Canada, Home Battery Storage Ontario 2026 |
| Growatt APX HV modular battery (5 to 30 kWh), installedThe source states this as approximate ('~') and ties it to a 10-20 kWh configuration, not the full 5-30 kWh range the item names. | $8,000–$14,000 | per system depending on capacity (CAD) | Solar X Canada, Home Battery Storage Ontario 2026 |
| Solis hybrid inverter plus Renon battery added to a solar system, before HSTBefore HST, and stated as the add-on against an equivalent solar-only system rather than a standalone price. Xolar's own pricing. | $9,500–$11,000 | add-on to system price (CAD) | Xolar, Cost of Solar Panels in Ontario (2026) |
| Battery added to a solar installation, Canada-wideCanada-wide and per unit added to total system cost, varying with capacity in kWh and brand. Not an Ontario-specific figure. | $8,000–$15,000 | per unit added to system cost (CAD) | Volts.ca, Solar Panels Cost in Canada 2026 |
| 8 kW solar array plus Tesla Powerwall 3, completeOne installer's own combined figure. This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $35,900–$45,100 | per project, CAD, before incentives | Solar X Canada, Home Battery Storage Ontario 2026 |
| Solar plus battery, 5 to 12 kW systems, before HSTBefore HST, for systems the source describes as typical 5-12 kW. Xolar's own pricing; This source publishes a provincial program figure against the same job. It sits on our programs page, with the eligibility rule that governs it. | $30,000–$46,300 | per project (CAD) | Xolar, Cost of Solar Panels in Ontario (2026) |
Drawn from this page's own rows
How the parts of this job fit together
The same battery costs different money depending on when you buy it
One named installer publishes both numbers for the same 13.5 kWh unit: what it adds to a solar system going in around it, and what it costs fully installed on its own. Setting the two columns side by side is the only way to read either figure correctly.
Added to a solar install
the extra over an equivalent solar-only system, before HST
Tesla Powerwall 3, added to a solar system
$13,000–$17,000
add-on to system price (CAD), Xolar, Cost of Solar Panels in Ontario (2026)
Solis hybrid inverter with a Renon battery, added
$9,500–$11,000
add-on to system price (CAD), Xolar, Cost of Solar Panels in Ontario (2026)
Solar and battery quoted as one project
$30,000–$46,300
per project (CAD), Xolar, Cost of Solar Panels in Ontario (2026)
Bought on its own
fully installed, before incentives
Tesla Powerwall 3, fully installed in Ontario
A Tesla Certified Installer quoting its own price, not a market survey.
$19,000–$24,000
per unit, CAD, before incentives, Solar X Canada, Home Battery Storage Ontario 2026
Home battery storage in Ontario, the wide band
The spread is brand and capacity, not a quote for one job.
$8,500–$24,000
per system, CAD, before incentives, Solar X Canada, Home Battery Storage Ontario 2026
The same installer's narrower band
$13,000–$22,000
per system, CAD, before incentives, Solar X Canada, Home Battery Storage Ontario 2026
What do the terms on this page mean?
Three words a solar battery storage quote will use without explaining.
- Usable capacity
- The kilowatt hours a battery will actually deliver, which is less than the figure on the label. Prices quoted per kWh on this page are per usable kWh.
- LFP
- Lithium iron phosphate, the cell chemistry in most home batteries sold in Canada. Sources on this page rate it best for cold weather because it carries no freeze risk.
- Critical-loads subpanel
- A second breaker panel carrying only the circuits you want kept alive in an outage. Backing up the whole house instead needs more electrical work and costs more.
What drives the price?
Size, site access and the condition of what is already there move solar battery storage pricing more than anything else in Toronto. Each factor below is drawn from the sources above, so you can read a quote and see where the money goes.
- Usable capacity in kWh, which at $700 to $2,000 per kWh installed drives most of the price (Green Building Canada)
- Whether the battery goes in with a new solar array or as a retrofit, since add-on pricing runs $13,000 to $17,000 for a Powerwall 3 against $19,000 to $24,000 installed standalone
- Product choice, from $8,000 to $14,000 for a modular Growatt APX HV to $19,000 to $24,000 for a Tesla Powerwall 3 in Ontario
- Modular versus single-unit design, where Enphase IQ Battery 5P modules run $8,500 to $11,200 per 5 kWh and let you start small
- Hybrid inverter requirements, since a Solis hybrid inverter plus Renon battery is quoted as a $9,500 to $11,000 package rather than a battery alone
- How much of the house you want backed up, because a critical-loads subpanel and transfer equipment are separate electrical work
- ESA notification and inspection, and 13 percent HST on the whole invoice
What's specific to Ontario and Toronto?
HST at 13 percent, an ESA Notification of Work filed before the job starts, and a municipal permit that differs city by city are the three Ontario rules that change the number on a quote. Toronto's freeze-thaw cycle changes the specification.
- Battery work is electrical work, so it is filed with the Electrical Safety Authority by a licensed Electrical Contractor. The minimum fee for a residential ESA notification is $88 (Electrical Safety Authority), and ESA wiring and licensing fees rose 1.9 percent effective 1 April 2026 (SurgePV).
- Ontario HST is 13 percent and several installer price lists are quoted before it. Xolar states its battery add-on figures of $13,000 to $17,000 are before HST, which is about $1,690 to $2,210 of tax on that line alone.
- A battery does not change how net metering works. Ontario's roughly 60 local distribution companies are all required to offer net metering, and exported power is credited against your electricity bill rather than paid out to you (SurgePV). A battery's value comes from shifting your own consumption and from backup during outages, not from selling power.
- Backup capability depends on the wiring, not just the battery. Whole-home backup needs the panel work sized for it, and a critical-loads subpanel is a separate electrical line item that is not always inside a headline battery price.
- Provincial and utility programs for storage change, and eligibility rules can restrict grid export. Confirm current terms with your installer and your local distribution company before signing.
How can I pay less?
You can keep solar battery storage costs down without cutting the parts that matter. These are the levers GTA homeowners actually use, each tied to a real number above.
- Compare quotes per kWh of usable capacity. The Canadian band is $700 to $2,000 per kWh installed, so a $24,000 quote on a 13.5 kWh battery is at the very top of the market and worth challenging.
- Put the battery in during the solar install rather than after. Add-on pricing for a Powerwall 3 is $13,000 to $17,000 against $19,000 to $24,000 for a standalone Ontario installation.
- Consider modular storage if the budget is tight. A Growatt APX HV starts around $8,000 and an Enphase IQ Battery 5P module is $8,500 to $11,200, against $19,000 or more for a single large unit.
- Back up a critical-loads subpanel instead of the whole house. Fewer circuits means less capacity and less electrical work in the quote.
- Ask for nameplate and usable capacity in writing. Solar Guide's range of $7,000 to $20,000 for a nominal 10 kWh unit shows how far identical labels can sit apart.
- Confirm whether the quote is before or after 13 percent HST. On a $20,000 battery that is $2,600.
How did we research these numbers?
Every solar battery storage figure above was re-checked against its own source in August 2026: the number has to appear in that document, in a sentence about the same job, or the row came off. Here is what the 5 surviving sources say.
- Battery pricing is the least settled number in Ontario solar, and the two sources here are not measuring the same thing. For a Tesla Powerwall 3, Solar X Canada quotes $19,000 to $24,000 fully installed in Ontario, while Xolar quotes $13,000 to $17,000 before HST as the ADD-ON against an equivalent solar-only system. An installed price and an add-on premium are different quantities, so the gap between them is not a disagreement about cost. Both are installers quoting their own work.
- Part of that spread is what the number includes. An add-on price assumes the crew is already on site wiring a solar array, so mobilisation, permit and inverter work are carried by the solar job. A standalone retrofit into an existing house pays for all of that again.
- Per-kWh pricing is the fairest way to compare quotes. Green Building Canada puts installed Canadian battery cost at $700 to $2,000 per kWh. At the bottom of that band a 13.5 kWh Powerwall would be about $9,450 and at the top about $27,000, which brackets every whole-unit figure we found.
- Modular systems are cheaper to start and cheaper to size correctly. Solar X lists the Growatt APX HV at $8,000 to $14,000 for 5 to 30 kWh and the Enphase IQ Battery 5P at $8,500 to $11,200 per 5 kWh module, against $19,000 to $24,000 for a single 13.5 kWh Powerwall 3 installed.
- Solar Guide's Canada-wide figure for a typical 10 kWh unit is $7,000 to $20,000, a three-fold spread on identical nominal capacity. Chemistry, usable versus nameplate capacity, continuous output rating and whether a backup subpanel is included all sit inside that range.
- A battery roughly doubles the cost of a residential solar project. Solar X prices 8 kW of solar plus a Powerwall 3 at $35,900 to $45,100, and Xolar prices solar plus battery on 5 to 12 kW systems at $30,000 to $46,300 before HST, against $19,400 to $28,000 for an 8 kW array on its own.
Sources
- Solar X Canada, Home Battery Storage Ontario 2026
- Xolar, Cost of Solar Panels in Ontario 2026
- Green Building Canada, Solar Panels Cost in Canada (updated 14 January 2026)
- Solar Guide, Solar Panels Cost in Canada 2026
- Volts.ca, Solar Panels Cost in Canada 2026 Pricing Guide
- SurgePV, Ontario Solar Regulations, Net Metering and ESA Permits
- Electrical Safety Authority, How much does an electrical notification cost
Who can do the work?
SolarPanelFinder tracks 16 solar battery storage installers across the Greater Toronto Area, rated 4.66★ on average. The three below rank highest on our published score, based on SolarPanelFinder's analysis of 16 GTA businesses, August 2026.
- Solar Panel Installation
- Also solar battery storage
73/100 SolarPanelFinder Score
- Says it is insured
- Says it has been going since 2021
5/6 details published5 of 6 details published
- Mississauga
- Solar Panel Installation
- Also solar battery storage
68/100 SolarPanelFinder Score
- Says about 25 years going
- Says it is with the Electrical Safety Authority (ESA)
6/6 details published6 of 6 details published
What solar battery storage work looks like around the GTA
Photographs the companies on this list published themselves, at the size they were taken rather than as a thumbnail.
INTOCHARGE
Financial District
Solar X - Vaughan
Vaughan
Solar X - Oshawa
Oshawa
Green Integrations Inc.
Willowdale
Heliotechnik Inc. Solar
Brampton
Vivion Energy
Richmond Hill
Calculators
Work it out for your own place
These run the same published figures as the table above against numbers you enter yourself.
Frequently asked questions
How much does a home solar battery cost in Toronto in 2026?
- Installed home battery storage in Ontario runs $8,500 to $24,000 depending on brand and capacity, with the common mid-market band at $13,000 to $22,000 according to Solar X Canada. Measured per unit of capacity, Green Building Canada puts installed Canadian battery cost at $700 to $2,000 per kWh.
What does a Tesla Powerwall 3 cost installed in Ontario?
- Two Ontario installers publish figures, and they are measuring different things. Solar X Canada quotes $19,000 to $24,000 fully installed. Xolar quotes $13,000 to $17,000 before HST as an add-on to a solar install, which is the premium over a solar-only system rather than the whole cost of the battery. Ask which of the two a quote in front of you is, because the numbers are not comparable as they stand.
Is it cheaper to add a battery with the solar install or later?
- With the install. Xolar prices a Powerwall 3 as a $13,000 to $17,000 add-on when a crew is already wiring the array, while Solar X quotes $19,000 to $24,000 for an Ontario installation on its own. Doing it later means paying twice for mobilisation, permits and inverter work.
How much does solar plus battery cost together in the GTA?
- Solar X Canada prices 8 kW of solar plus a Tesla Powerwall 3 at $35,900 to $45,100 before incentives, and Xolar puts solar plus battery on 5 to 12 kW systems at $30,000 to $46,300 before HST. That is roughly double the $19,400 to $28,000 an 8 kW array costs on its own.
Does a battery earn me money through net metering?
- No. In Ontario net metering credits exported power against your electricity bill rather than paying you for it, and every one of the province's roughly 60 local distribution companies must offer it. A battery's value is in shifting your own consumption to cheaper hours and in keeping the house running during an outage, which is why capacity is priced at $700 to $2,000 per kWh rather than by what it might earn.
Can I start small and add capacity later?
- Yes, with a modular system. The Growatt APX HV covers 5 to 30 kWh for $8,000 to $14,000 installed and Enphase IQ Battery 5P modules are $8,500 to $11,200 per 5 kWh, so you can size for critical loads now and expand. Single-unit products like the 13.5 kWh Powerwall 3 have to be bought whole.
Questions to ask your installer
- Will this battery run the house in an outage, or only shift stored power to the evening?
- Which circuits move onto the backup panel, and what gets left unpowered?
- Can the array recharge the battery while the grid is down?
- Where does the battery mount, and what does that space have to meet?
- What is the battery warranty, and what voids it? Storage pricing, sourced
Which other costs should I check before I commit?
Solar Battery Storage rarely arrives on its own. These three price what usually lands on the same project.
- Solar Panel Installation costsHow a Toronto rooftop system is priced by size, panel tier, roof access and electrical work.
- Solar Electrical Work costsPanel upgrades, disconnects, conduit, meter work and inspection fees priced as separate lines.
- Off-Grid Solar costsArray, battery bank, charge controller and generator pricing for Ontario cottages and cabins.
Compare solar battery storage companies across the GTA
This site does not take quote requests and passes nothing to anyone. Every profile shows the company's own phone number and website, so you contact whoever you want to, directly.