There isn't one! So long as we have installers available in your area and you meet the government's eligibility requirements then you can receive a Powerpal for free, with absolutely no ongoing costs and without affecting your current energy supplier.
This is simply a government program to help households save on their energy bills- so take advantage today!
For more information about the program check out: https://www.victorianenergysaver.vic.gov.au/save-energy-and-money/discount-energy-saving-products