Tesla announced the launch of its Powerwall 3 home energy storage system in Canada on Wednesday (via Tesla North).
The Powerwall 3 is designed to detect power outages and recharge using either solar energy or the local grid, ensuring you stay online. It stores clean energy produced by solar systems for use at night or when solar power isn’t available. Users can manage their energy storage remotely via the Tesla app for added convenience and control.
Customers interested in the Powerwall 3 can submit a request and a Tesla Certified Installer will follow up with pricing information and next steps. The cost for a single Powerwall 3 unit is $10,794 CAD. A two-unit system is priced at $21,588 CAD, while a three-unit system costs $32,382 CAD.
Each system also requires a Gateway, which costs $1,165 CAD. These prices do not include taxes, delivery, installation, or other fees. The final cost will be provided by the Certified Installer. These systems aren’t exactly cheap, but integrate nicely and can be managed seamlessly from the Tesla mobile app.
Tesla emphasized the benefits of the Powerwall for areas frequently affected by power outages due to storms or other weather-related events, ensuring uninterrupted power supply for families. Your neighbours are going to hate you when they see your lights are still online during a lengthy power outage.
In February, Tesla celebrated the installation of its 600,000th total Powerwall installation in the U.S.
Key benefits of the Powerwall 3 outlined in an email to Tesla customers in Canada mentioned:
Powerwall 3 features a nominal grid voltage of 120/240 VAC and operates on a split phase grid type with a frequency of 60 Hz. It includes a 60 A overcurrent protection device, 4 kV surge withstand voltage on AC ports, and 2 kV on communication ports.
The system boasts a solar-to-battery-to-grid round trip efficiency of 89% and solar-to-grid efficiency of 97%. It supports islanding devices such as Backup Gateway 2, Backup Switch, and Gateway 3, and offers connectivity options including Wi-Fi (2.4 / 5 GHz), dual-port switched Ethernet, and cellular (LTE/4G).
The hardware interface includes a dry contact relay, a Rapid Shutdown certified switch, and an RS-485 for meters. The AC metering is revenue grade with a +/- 0.5% accuracy. The Powerwall 3 is equipped with integrated protections such as arc fault circuit interrupter (AFCI), isolation monitor interrupter (IMI), and PV rapid shutdown using Tesla Mid-Circuit Interrupters. Customers can interface with the system through the Tesla mobile app. The product comes with a 10-year warranty.
The Powerwall 3’s battery offers a nominal energy capacity of 13.5 kWh. It can deliver a maximum continuous discharge power of 11.5 kW and up to 15.4 kW when operating off-grid with PV only, within a temperature range of –20°C to 25°C. The maximum continuous charge power is rated at 5 kW, with an output power factor rating configurable from 0 to 1 according to grid code requirements.
The battery can handle a maximum continuous current of 48 A and has a load start capability of 185 A LRA for one second. The system’s power scalability allows for up to four Powerwall 3 units to be supported. That should keep you online for quite some time in the event of a power outage, depending on your home energy use.
Submitting a request allows Tesla to share the customer’s contact information with a local certified installer to start the purchase and installation process.
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In Ontario, Hydro One has a ‘Residential Reliability Improvement’ program… see the page for more info. It uses the Tesla Powerwall, and is free if your property qualifies (not seasonal, and experiences extended outages), and on first come, first served basis they take applications. https://www.hydroone.com/residentialservices_/Pages/residential-reliability-improvement-program.aspx
It’s a shame this didn’t mention the storage capacity. Could be handy for using off peak power at on peak times and save on electricity costs.
This is what I’m wondering. How much control does one have over when the battery stored power is used vs drawing power from the grid? I gather the ‘gateway’ device is what will route all power needs and supply but does it decide things on its own or does one have administrative control and rule sets to determine what is done?
“”The Powerwall 3’s battery offers a nominal energy capacity of 13.5 kWh. It can deliver a maximum continuous discharge power of 11.5 kW and up to 15.4 kW when operating off-grid with PV only, within a temperature range of –20°C to 25°C. “”
“”The Powerwall 3’s battery offers a nominal energy capacity of 13.5 kWh. It can deliver a maximum continuous discharge power of 11.5 kW and up to 15.4 kW when operating off-grid with PV only, within a temperature range of –20°C to 25°C. “”