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What you need to know

The Heat Source is proud to be a Tesla Powerwall Certified Installer.

Power your home and electric vehicle with renewable energy you control and reduce your reliance on the grid.

With solar, you typically generate more clean energy than you need. By combining with Powerwall, a rechargeable home battery, you can store excess energy from your solar panels for use anytime – even during a power outage.

Monitor what energy you produce and control your self-powered system with 24/7 access using the Tesla app.

Tesla Powerwall is a fully-integrated AC battery system for residential and or light commercial use. Its rechargeable lithium-ion battery pack provides energy storage for solar self-consumption, time-based control and backup.

Powerwall’s electrical interface provides a simple copnnection to any home or building.

Its revolutionary compact design achieves market-leading energy density and is easy to install, enabling owners to quickly realise the benefits of reliable, clean power.

Your Tesla ecosystem

Solar Panels

Solar panels convert the sun’s rays into usable energy for your home and tops up your Powerwall with clean energy to use when you need it.


Charging at home is as easy as charging your smartphone. Just plug your Tesla vehicle in overnight and wake up to a full battery.

Power Everything

Powerwall’s 5kW continuous and 7kW peak power output allows you to power everything from your lights and refrigerator to your washing machine.

Backup Power

A home battery that stores excess energy from your solar panels for use for use day or night to self-power your home and vehicle, even during a blackout.


Usable capacity: 13.5 kWh

Scalable: Up to 10 Powerwalls

Efficiency: 90% Round-trip

Weight: 114kg

Warranty: 10 Years

Gateway 2: 380mm x 584mm 11.4 kg

Continuous power: 5 kW

Operating temperature: -20°c to 50°c

Peak power: 7 kW