You do not pay GST when you register or create an STC on the REC Registry. ... However, transactions relating to sales, purchases and assignments of STCs may have GST consequences for home owners, businesses, installers and REC agents.
Does solar rebate include GST?
But don't worry, you're not being ripped off. The reason why it is so high is because you have to pay GST on the full price of the system before the effect of the “solar rebate 1” is applied and Small-scale Technology Certificates, or STCs, lower the price.
Do solar panels have tax?
Households with solar panels could be charged an average of $100 a year under a controversial “solar tax” put forward by the national electricity market's rule-maker.