Learn how to sell excess solar power back to the grid in Australia. Explore feed-in tariffs, eligibility requirements and tips to maximise your earnings. . To install a solar system in Australia, the tradesperson must hold a Clean Energy Council (CEC) solar installer accreditation and an electrical contractors' licence (ECL). The installer will need an additional battery endorsement to install batteries on a grid-connected solar installation. The. . What Australian states and territories require businesses selling solar power systems to hold their own Electrical Contractors Licence (ECL)? Find a summary below and a detailed explanation of electrical licensing requirements here. Only the holder of a building or electrical contractors licence. . Solar retailers procure, sell and arrange the installation of solar PV and solar batteries systems. If you're a retailer, there are certain things you must do to ensure your systems are eligible for small-scale technology certificates (STC). We're implementing new photo requirements to improve. . Whether you're an aspiring solar business or a homeowner curious about regulations, understanding who can legally sell solar power systems in Australia is crucial. The requirements vary from state to state, and many people—even within the industry—are unaware of how strict some of the rules. . In this article, you'll learn exactly how selling your extra solar power works in 2025, what you can realistically earn, and how to decide whether exporting, storing, or shifting your usage is the smartest move for your home. Feed-in tariffs or FiTs, are an integral part of solar energy usage across Australia.