Quick answer: On 5 August 2026, the Australian Government announced it will expand the Small-scale Renewable Energy Scheme to cover solar systems up to 1MW, up from the current 100kW cap. The change is intended to start from 1 October 2026, but full eligibility and compliance rules haven’t been published yet. What is changing? The Small-scale Renewable Energy Scheme (SRES) is the mechanism behind Australia’s solar rebate. It works through Small-scale Technology Certificates (