A large residential property in Applecross had an existing 25kW solar system but the new owner wanted to install battery storage and engaged Empower Solar Australia to design and install a system, which included three Tesla Powerwalls II, a considerable investment. This is a large battery storage system, it has a storage capacity of approx. 40kWh of renewable electricity and will provide the home with 28% of its entire power requirements. This equates to 69% self consumption with the payback period being just under 5 years.


  • Est. Annual Savings: $10,000
  • 3x Tesla Powerwall (40kW)