Currently, you can retrofit (add) a Powerwall onto your existing solar system in one of three ways:
Availability: Currently available!
To allow your current solar system, unless it is using one of the Tesla Powerwall compatible inverters already, you can add a Tesla Powerwall compatible inverter to your current system and then couple the Tesla Powerwall to that inverter.
There are currently two inverters available on the market that are compatible with the Powerwall:
Availability Date: Q3 2016 (Expected August).
You can add a SMA Sunny Boy Storage unit to your current system, coupled to your current inverter, allowing it to have the functionality required (through the unit) to charge and discharge the Tesla Powerwall.
Spec Sheet:
You can also get your hands on a Tesla Powerwall by getting Natural Solar to install a separate, new system to your home – The Panels, Inverter, Tesla Powerwall and other required hardware.
To get an instant online quote for a new system, please click here.
These costs are based on the SA Power network in Adelaide but prices may vary depending on your circumstances. This comparison assumes a general energy usage of 4000kWh/year for a residential customer on Energy Locals Time of Use Tariff – (TOU – Peak, Off-Peak & Solar Sponge).
The reference price is set by the Australian Energy Regulator (AER) for a financial year in relation to electricity supply to residential customers in the distribution region and is based on an assumed annual usage amount. Any difference between the reference price and the unconditional price of a plan is expressed as a percentage more or less than the reference price. The terms of any conditional discounts are shown, along with any further difference between the reference price and the discount applied if a condition is met, expressed as a percentage more or less than the reference price.