"Ross was very knowledgeable, explained well, and answered all my questions politely and thoroughly."
Doug Flowers
Tesla Powerwall Canada Certified Installation
Xolar is a certified Tesla Powerwall installer, providing you with reliable home energy. Power your home during outages and maximize savings with Tesla's advanced home battery.
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Join Canadian homes with backup power
Available Rebates
Up to $1,625 Fall 2026 Sale – Battery Up to $1625
Toronto HELP Loan Up to $125,000
Ottawa Better Homes Loan Up to $125,000 at 4.33%
Rebate eligibility varies by location. Final amounts confirmed during consultation.
How much does a Tesla Powerwall 3 cost in Canada?
A Tesla Powerwall 3, Tesla's home battery (13.5 kWh, 11.5 kW), installed by Xolar costs $23,997 before tax in 2026, or about $27,117 with 13% HST. In Ontario, the Home Renovation Savings Program pays up to $5,000 toward a battery installed with new solar panels. Until December 22, 2026, Xolar's Fall Sale also takes up to $1,625 off a battery bought with solar.
| 1 Powerwall 3, installed | $23,997 before tax |
|---|---|
| 2 Powerwalls (27 kWh) | $37,346 before tax |
| 3 Powerwalls (40.5 kWh) | $50,695 before tax |
| Ontario battery rebate (with new solar) | up to $5,000 |
| Xolar Fall Sale (battery with solar, until December 22, 2026) | up to $1,625 off |
| Included | Design, permits, Tesla-certified installation, 10-year warranty |
A system that takes the Ontario rebate can't also use net metering. BC Hydro's battery rebate doesn't cover Tesla products. Your quote confirms the exact price for your home.
Why homeowners add a Powerwall
One battery, four jobs — backup power, bill savings, energy independence and a bigger rebate stack.
Extended Backup Power
13.5 kWh of storage capacity, Powerwall's extended battery life provides whole-home backup during outages.
Time-of-use Controls
Powerwall saves you money by automatically charging when power is cheap, and discharging when power is expensive.
Storm Watch
Storm Watch software detects severe weather forecasts in your area and will charge your Powerwall to full, ensuring you are prepared for the coming storm.
Performance Monitoring
Monitor and control both your Powerwall and Tesla vehicle from anywhere all within the all-in-one Tesla app.
10-Year Warranty
Tesla's 10-year warranty, with unlimited cycles for solar, time-of-use and backup use (battery kept online).
Expandable System
Stack Powerwall units for more power and more backup.
Virtual Power Plant
Powerwall owners can partner with the electricity distribution company to earn money by lending your battery storage, providing stability to the grid during peak times.
Powerwall installations
Tesla Powerwall systems installed in Canadian homes by Xolar.
How it works
Solar by day, stored power by night, backup any time
01
Assessment
Your panels power the home and top up the Powerwall through the day.
02
Design & Permits
Surplus energy is banked at 13.5 kWh instead of exported for less.
03
Installation & Setup
The home runs on stored energy when grid rates are highest.
Pricing & Packages
Transparent pricing with no hidden fees. Choose the package that fits your needs.
Most popular
Stand-alone Powerwall
Essential backup for critical loads.
$23,997
before rebates + tax
All Powerwall features in Tesla app
13.5 kWh storage capacity
11.5 kW continuous power
10-year warranty
Tesla certified installation
Powerwall with Solar
5 kW of solar with one Powerwall 3
$37,101
before rebates + tax
Extended outage protection
Recharge Powerwall with solar
Offset energy bills
All Powerwall features
Cost efficient installation
Powerwall Expansion Unit
Additional unit for extended whole-home backup power.
$13,349
before rebates + tax
Stack up to 7 Powerwalls
Up to 4 Powerwall units
Up to 3 storage expansion units
Maximum 46 kW power output
Maximum 94.5 kWh storage capacity
Prices before incentives. Every install includes design, permits, installation and warranty.
Stack the savings
Rebates and time-of-use savings pay it back
up to $5,000
HRSP storage rebate
Ontario's Home Renovation Savings Program covers up to $5,000 on a battery installed with new solar panels, on top of up to $5,000 for the solar. A system that takes these rebates can't also use net metering. BC Hydro's battery rebate doesn't cover Tesla products.
peak → off-peak
Beat time-of-use rates
Charge from solar or cheap overnight power, then run your home on the battery during expensive peak hours. In time-of-use provinces that shift alone trims hundreds off your annual bill.
Tesla Powerwall questions
Cost, whole-home backup, solar pairing, runtime, rebates and warranty.
How much does a Tesla Powerwall cost?
One Powerwall 3 costs $23,997 installed, before tax. Two units cost $37,346 and three $50,695, so each extra unit adds about $13,349. With solar, 5 kW of panels plus one Powerwall 3 is $37,101 before tax. Your quote confirms the price for your home.
How long does 13.5 kWh last?
It depends on what you run. Essential loads (fridge, lights, internet, furnace fan) typically draw about 0.5 to 1 kW, so 13.5 kWh lasts roughly half a day to a day; running air conditioning or an EV charger uses it much faster. The Powerwall will absorb energy generated by your solar panels in real-time during daylight hours, significantly increasing its effective runtime capability. When paired with solar, you can maintain power indefinitely during power outages as your Powerwall will continuously recharge itself.
Can a Tesla Powerwall run an air conditioner?
Yes, a Tesla Powerwall can run an air conditioner, but the duration will depend on how much power it consumes and the battery’s charge level. With 11.5 kW of continuous power output, Powerwall 3 can handle most residential AC units. When paired with solar panels, the system can recharge while running your AC during daylight hours.
Is Powerwall suitable for outdoor installation?
Yes, the Tesla Powerwall is designed to be installed indoors or outdoors, with a durable design that withstands various weather conditions. It operates reliably in temperatures from -20°C to 50°C and is rated for outdoor use in Canadian climates. The weather-resistant enclosure protects against rain, snow, and extreme temperatures. Powerwall is equipped with thermal self-regulation technology to manage it’s own internal temperature. In colder conditions, Powerwall can pre-heat its battery cells so that charging and discharging remain possible even when ambient temperatures drop well below freezing.
How do I monitor my Powerwall system?
The Tesla app allows you to track energy production, consumption, and storage in real-time, offering complete control over your system. You can monitor your battery charge level, see how much solar energy you’re generating, track your grid usage, and control backup settings all from your smartphone. The app also provides notifications about system status and performance.
How long will Powerwall power my home?
One Powerwall 3 (13.5 kWh) runs essential loads for roughly half a day to a day, depending on what you power. Each additional unit adds another 13.5 kWh. When paired with solar, you can maintain power indefinitely during sunny conditions.
Can I add Powerwall to my existing solar system?
Yes! Powerwall can be installed either as a stand-alone backup or alongside any existing solar installation. The Powerwall can be installed alongside any solar panel setup for maximum flexibility. We’ll assess your current setup and ensure seamless integration.
What happens during a grid outage?
Powerwall automatically detects outages and switches to backup power in milliseconds. You won’t even notice the lights flicker. Your home will go into backup mode instantaneously without interruption, forming an island that runs only on solar and battery storage.
How long does a Powerwall last?
Tesla warrants Powerwall 3 for 10 years and guarantees it keeps at least 70% of its capacity over that time, with unlimited cycles for solar, time-of-use and backup use. The full warranty needs the battery kept connected to the internet.
Can Powerwall go completely off-grid?
A standard Powerwall installation will not operate if the grid is disconnected. To operate off-grid, Powerwall must be installed in an off-grid configuration. While technically possible to go off-grid with enough Powerwall Expansion units and solar panels, we recommend staying grid-connected for maximum reliability and to take advantage of net metering credits.
How much does a Tesla Powerwall cost in Canada?
A single Tesla Powerwall 3 costs $23,997 before tax (~$27,100 with HST) installed, depending on your province and installation complexity. In Ontario, the Home Renovation Savings Program pays $300/kWh for a battery installed with new solar, about $4,050 for one 13.5 kWh Powerwall 3, bringing the net cost closer to $20,000. BC Hydro’s battery rebate excludes Tesla products, so there is no BC rebate for a Powerwall. With solar, 5 kW of panels plus one Powerwall 3 is $37,101 before tax and incentives.
How many Powerwalls do I need?
Most Canadian homes need one Powerwall for essential backup (lights, fridge, internet, sump pump) or two for whole-home backup including high-draw appliances like air conditioning, heat pumps, and EV chargers. A single Powerwall provides 13.5 kWh, roughly half a day to a day of essential loads. For multi-day backup or a larger home, two or three units give you 27 to 40.5 kWh. We size the system from your actual usage.
Does Tesla Powerwall work without solar panels?
Yes. The Powerwall can operate as a standalone battery without solar panels. It charges from the grid during off-peak hours and discharges during peak hours to save on time-of-use electricity costs. It also provides backup power during outages. However, pairing with solar panels maximizes the financial return.
Is the Tesla Powerwall worth it in Canada?
It depends on your province and priorities. For homeowners in higher-rate areas such as Ontario and the NWT, the Powerwall can deliver solid financial returns alongside backup protection, and in Ontario the HRSP battery rebate applies when it is installed with new solar. (BC Hydro’s battery rebate excludes Tesla products.) In provinces with lower, flat rates (Manitoba, Saskatchewan) the value is mainly outage protection. If you have frequent outages or need backup for medical equipment, it can be worth it anywhere.
Buyer's guide
What Is the Tesla Powerwall and How Does It Work with Solar?
The Tesla Powerwall is a rechargeable lithium-ion battery designed to store energy for
residential use. When paired with
solar panels, the Powerwall stores excess
solar energy generated during the day so you can use it at night, during peak rate
hours, or when the grid goes down. Without a battery, any solar energy your home
doesn’t use immediately gets exported to the grid. With a Powerwall, you keep that
energy for yourself.
The system works automatically. During daylight hours, your solar panels generate
electricity. Your home uses what it needs first, and the surplus charges your
Powerwall. Once the battery is full, any remaining excess flows to the grid through
net metering. At night or during an outage, the Powerwall
discharges to power your home. The Tesla app gives you real-time visibility into
energy production, consumption, and battery charge level.
Tesla Powerwall Cost in Canada
Powerwall pricing in Canada depends on your province, installation complexity, and
whether you’re adding it to an existing solar system or installing both together. A
single Powerwall 3 is about $23,997 before tax (~$27,100 with HST) installed. 5 kW of solar with one Powerwall 3 is $37,101 before tax.
Provincial rebates can reduce the net cost significantly. Ontario’s Home Renovation Savings Program pays $300 per kWh for a battery installed with new solar, up to $5,000 (about $4,050 for one Powerwall 3), on top of up to $5,000 for the solar. BC Hydro’s battery rebate excludes Tesla products, so a Powerwall doesn’t qualify there. Several other provinces have
active or upcoming battery incentive programs. See our
full pricing breakdown for system-specific costs, or check
rebates available in your province.
The financial return depends on your electricity rate structure. In provinces with
time-of-use pricing (Ontario, parts of BC), the Powerwall pays for itself faster by
charging during off-peak hours and discharging during expensive peak periods. In
provinces with flat rates, the primary value is backup power and maximizing solar
self-consumption.
Powerwall and Net Metering in Canada
Net metering lets you earn credits for excess solar energy sent to the grid. The
Powerwall adds a strategic layer: instead of exporting all your excess at whatever
your utility pays, you can store it and use it during peak rate hours when electricity
costs the most. In Ontario’s time-of-use system, this means charging your Powerwall at
9.8¢/kWh overnight and avoiding 20.3¢/kWh on-peak rates.
Estimate your own time-of-use savings with our battery calculator
.
In provinces with true 1:1 net metering (Ontario, Nova Scotia), the Powerwall’s
primary value is backup power and peak-shaving rather than avoiding export. In
provinces with lower export rates like BC (10¢/kWh for new systems since July 1, 2026), Manitoba (7.17¢/kWh) or Saskatchewan
(7.5¢/kWh), keeping that energy for self-consumption via Powerwall is worth
considerably more than exporting it.
One important note: under Ontario’s HRSP, systems that receive the solar or battery rebate cannot participate in net metering. They must be sized for your own consumption, and the program’s terms rule out a net-metering agreement. We help every customer model the optimal configuration for their
province and rate plan.
Learn more about net metering across Canada.
Google Reviews
What homeowners say
Real reviews from real customers who made the switch to solar.
"THEY WERE VERY FREINDLY AND SEEM TO KNOW THERE STUFF."
RANDY
"Abe was very attentive to my needs, he thoroughly explained the proposal he sent, and answered all my questions in detail. We chatted about a few other subjects and I discovered that he is a pleasant and knowledgable person to deal with."
Dave Williams
Almonte, ON
"Ross was very knowledgeable, explained well, and answered all my questions politely and thoroughly."
Doug Flowers
"THEY WERE VERY FREINDLY AND SEEM TO KNOW THERE STUFF."
RANDY
"Abe was very attentive to my needs, he thoroughly explained the proposal he sent, and answered all my questions in detail. We chatted about a few other subjects and I discovered that he is a pleasant and knowledgable person to deal with."
Dave Williams
Almonte, ON
Get Powerwall Quote
Protect your home with Tesla Powerwall battery storage.
Complete your home energy system
Xolar installs the whole setup — here's what pairs well with this.
Solar Panels
Cut your power bill with a custom rooftop solar system.
Learn more →Backup Batteries
Whole-home backup power for when the grid goes down.
Learn more →Heat Pumps
Efficient heating and cooling that runs on your solar.
Learn more →EV Charging
Charge your EV at home from your own clean solar power.
Learn more →Powerwall 3
Technical Specifications That Matter
13.5 kWh
Usable Storage Capacity
Usable energy per unit
11.5 kW
Continuous Power Output
2.3x more than Powerwall 2
Built-in
Solar Inverter (up to 20 kW)
Simplifies installation
The Powerwall 3 integrates a solar inverter directly into the battery unit, handling up to 20 kW of solar input. This eliminates the need for a separate string inverter, reducing installation complexity and cost. The 11.5 kW continuous output means you can run high-draw appliances (air conditioning, EV chargers, heat pumps) simultaneously during an outage. Operating range is -20°C to 50°C. A home can have up to 4 Powerwall 3 units plus up to 3 Expansion units, 7 units in all (94.5 kWh). Figures from Tesla's Powerwall 3 datasheet.
Powerwall 3 in Canadian winters and storms
Powerwall 3 is rated to run from -20°C to 50°C. Near those limits it may reduce how fast it charges or discharges to protect the battery, so in colder areas we install it in a garage or another sheltered spot. Snow on your panels cuts solar output for a while, but the battery still carries your home through an outage on what it has stored.
Storm Watch: when a severe weather watch or warning is issued for your area, the Tesla app can charge Powerwall to full ahead of a possible outage, then return to normal once the event passes. It needs grid charging turned on, and you can opt out for any storm. See Tesla's Storm Watch guide.
In summer the same battery stores midday solar for the evening, when time-of-use prices are highest. See how that works on your rate plan with our battery savings calculator.
Rebates
Battery Storage Incentives by Province
Ontario
The Home Renovation Savings Program pays $300 per kWh for a battery installed with new solar, up to $5,000 (about $4,050 for one Powerwall 3), plus up to $5,000 for the solar. Systems that take it can't use net metering. Toronto HELP and Ottawa Better Homes loans can finance the rest.
British Columbia
BC Hydro's battery rebate has excluded all Tesla products since 12 March 2025, so a Powerwall doesn't qualify; the solar rebate (up to $5,000) still applies to the panels. BC Hydro closed 1:1 net metering (Rate Schedule 1289) to new customers on 1 July 2026 — new systems go on RS 2289, which buys surplus at 10¢/kWh each billing cycle.
Nova Scotia
No active battery-specific rebate, but 1:1 net metering at ~19.1¢/kWh and high outage frequency make Powerwall a strong investment for backup + savings.
NWT
The Arctic Energy Alliance renewable energy rebate pays up to $20,000 for a home solar project, batteries included, in communities not served by hydro power (such as Inuvik).