STC: Small-Scale Technology Certificates

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What are STCs?


Households across Australia that install a small scale renewable energy system or eligible hot water system may be able to receive a benefit under the Small-scale Renewable Energy Scheme (SRES) to help with the purchase cost.


Installing an eligible system allows the creation of Small-scale Technology Certificates (STCs), an electronic form of currency with a value that can be redeemed by selling or assigning them. The number of STCs awarded is determined by the amount of electricity that will be produced by the appliance over 15 years. As an electronic currency, STC’s can be traded or sold to offset the capital cost of solar hot water or grid-connected photovoltaic installations.


*For a full explanation of the government’s Renewable Energy Target and the role of STCs, visit