ผลกระทบจากการยกเลิก STC ของออสเตรเลียในปี 2026: ราคาโซลาร์เพิ่ม 8%
Australia's Small-scale Technology Certificate (STC) phaseout under the Small-scale Renewable Energy Scheme (SRES) entered its scheduled annual reduction on January 1, 2026, reducing the STC deeming period from 8 years to 7 years. The change has translated into an 8% average increase in residential solar system prices nationally during Q1 2026, with a typical 6.6 kW system now costing AUD 5,800–6,400 installed before STC discount, compared to AUD 5,400–5,900 in late 2025. The Clean Energy Regulator confirms STC creation volume has held steady despite the price increase, with installers and households accelerating purchases ahead of the next scheduled reduction in January 2027. Battery storage uptake continues to climb, with attachment rates on new residential PV systems reaching 38% in Victoria and 41% in South Australia thanks to combined federal and state incentive stacks. The South Australia Home Battery Scheme remains active at AUD 400/kWh up to a AUD 2,000 cap, often combined with the SA Power Networks Virtual Power Plant subsidy of up to AUD 3,600. Solar Victoria continues to offer interest-free loans up to AUD 8,800 alongside its rebate program. Industry body the Smart Energy Council has called for an extension of the SRES phaseout timeline given recent volatility in equipment costs, but the Clean Energy Regulator has confirmed the legislated annual reductions will continue through 2030 as planned.