https://stctrader.com.au/stc-updates/ Changes to the STC rules and the schemes around them, each with its date and source. Rule changes only, never our own price. en-AU Wed, 21 Oct 2026 00:00:00 GMT https://stctrader.com.au/stc-updates/#vic-solar-veu https://stctrader.com.au/stc-updates/#vic-solar-veu Wed, 21 Oct 2026 00:00:00 GMT Solar Victoria says the Victorian Government announced on 17 October that support for households to install solar PV will transition into the Victorian Energy Upgrades program from 1 July 2027. Current program arrangements, including rebates with the option of an interest-free loan, stay in place until 30 June 2027. Source: Solar Victoria: Solar support to continue through the Victorian Energy Upgrades program (21 October 2026): https://www.solar.vic.gov.au/solar-support-continue-through-victorian-energy-upgrades-program https://stctrader.com.au/stc-updates/#mid-scale-from-today https://stctrader.com.au/stc-updates/#mid-scale-from-today Thu, 01 Oct 2026 00:00:00 GMT The Clean Energy Regulator says the expanded eligibility applies to eligible systems installed from 1 October 2026. Applications are expected to open in mid to late November 2026, and a system installed on or after 1 October can apply once they do. Source: Clean Energy Regulator: Changes to mid-scale solar apply from today (1 October 2026): https://cer.gov.au/news-and-media/news/2026/october/changes-to-mid-scale-solar-apply-today Clean Energy Regulator: Mid-scale solar (updated 7 October 2026): https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-renewable-energy-systems/mid-scale-solar https://stctrader.com.au/stc-updates/#mid-scale-legislated https://stctrader.com.au/stc-updates/#mid-scale-legislated Thu, 17 Sep 2026 00:00:00 GMT The Clean Energy Regulator reported that the regulations had been amended to expand eligibility for solar PV under the Small-scale Renewable Energy Scheme from 100 kW to 1 MW, for systems installed from 1 October 2026. Eligible mid-scale systems get a fixed five-year deeming period. Source: Clean Energy Regulator: Mid-scale solar is now legislated (17 September 2026): https://cer.gov.au/news-and-media/news/2026/september/mid-scale-solar-now-legislated Clean Energy Regulator: Mid-scale solar (updated 7 October 2026): https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-renewable-energy-systems/mid-scale-solar https://stctrader.com.au/stc-updates/#clearing-house-q2 https://stctrader.com.au/stc-updates/#clearing-house-q2 Wed, 09 Sep 2026 00:00:00 GMT The Clean Energy Regulator's June quarter 2026 report says the clearing house surplus peaked at 14.4 million STCs in May, with average waits of more than 4 weeks. By the end of the quarter the surplus was 2.5 million STCs and the average wait was 13 days. Source: Clean Energy Regulator: Quarterly Carbon Market Report, June quarter 2026, consumer energy resources (updated 9 September 2026): https://cer.gov.au/markets/reports-and-data/quarterly-carbon-market-reports/quarterly-carbon-market-report-june-quarter-2026/consumer-energy-resources https://stctrader.com.au/stc-updates/#mid-scale-announced https://stctrader.com.au/stc-updates/#mid-scale-announced Wed, 05 Aug 2026 00:00:00 GMT On 5 August 2026 the Australian Government announced that solar PV systems with a total onsite capacity between 100 kW and 1 MW will be eligible to create STCs, where before they could only create large-scale generation certificates. It intended the change to apply to systems installed from 1 October 2026. Source: Clean Energy Regulator: Expansion of solar PV eligibility under the SRES (August 2026): https://cer.gov.au/news-and-media/news/2026/august/expansion-solar-photovoltaic-pv-eligibility-under-small-scale-renewable-energy-scheme https://stctrader.com.au/stc-updates/#nsw-pdrs-july https://stctrader.com.au/stc-updates/#nsw-pdrs-july Wed, 01 Jul 2026 00:00:00 GMT NSW gazetted updates to the scheme on 1 July 2026, adding battery incentives for apartment buildings and businesses and changing eligibility and onboarding for its virtual power plant incentive. IPART's August 2026 fact sheet says the scheme's incentive for batteries is only available through approved programs, such as an Exempt Energy Program, or at eligible sites such as NSW and local government sites. Source: NSW Government: Peak Demand Reduction Scheme (updated 12 October 2026): https://www.energy.nsw.gov.au/nsw-plans-and-progress/regulation-and-policy/energy-security-safeguard/peak-demand-reduction-scheme IPART: Thinking of getting a battery? BESS1 fact sheet, version 2.1 (August 2026): https://www.energysustainabilityschemes.nsw.gov.au/sites/default/files/cm9_documents/BESS1-fact-sheet-V2.1-August-2026.PDF https://stctrader.com.au/stc-updates/#battery-1-may https://stctrader.com.au/stc-updates/#battery-1-may Fri, 01 May 2026 00:00:00 GMT For batteries certified for compliance from 1 May 2026 the STC factor is 6.8 per kWh of usable capacity, down from 8.4 for January to April. Capacity from 14 to 28 kWh counts at 60% of the factor and from 28 to 50 kWh at 15%, and the factor steps down every six months to 2030. Source: Clean Energy Regulator: Calculate STC entitlements (updated 29 October 2026): https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/calculate-small-scale-technology-certificate-entitlements DCCEEW: STCs for batteries, and government purchases (updated 9 July 2026): https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries/small-scale-technology-certificates