Aran, Overseas Technical Support at Tongwei, will be presenting on the topic TOPCon 2.0: Taking TOPCon to the Next Level at the TaiyangNews Virtual Conference on PV System Technology Trends – SNEC & Intersolar Product Review.
The Conference will be held on 2 separate days – June 24 & June 26, from 09:30 to 13:00 – and will explore important technology highlights and trends from both SNEC and Intersolar Europe 2025. The key takeaway of this event will be insights from market and innovation leaders about the latest breakthroughs shaping the future of photovoltaics.
Register for free here.
JinkoSolar releases white paper on TOPCon technology
Leading integrated solar manufacturer JinkoSolar, in collaboration with CGC and TÜV NORD, has released what it calls the industry's first comprehensive white paper on TOPCon solar technology and its Tiger Neo 3.0 solution. Titled TOPCon Technology and Tiger Neo 3.0 Business Solution White Paper, it presents an in-depth analysis of TOPCon's process chain, technical architecture, and real-world performance, drawing from data gathered across over 10 global power stations in extreme environments such as deserts, coastal regions, and high-altitude sites.
Key findings from the report show that n-type TOPCon modules consistently outperformed back-contact (BC) modules by 2-3% in energy output, with a 7.1% gain observed in a field test in Kagoshima, Japan. This better performance is attributed to TOPCon’s high bifaciality and environmental compatibility. Additional tests in Haikou, China, showed superior weak-light response and thermal performance.
The white paper also notes that TOPCon’s current mass production efficiency reaches 26.5%, with the potential to exceed 28% within 3 years, and a theoretical ceiling of 32.5% using advanced technologies like perovskite tandems. Economic analysis from a 100 MW Saudi project suggests a 4.73% reduction in levelized cost of electricity (LCOE) and RMB 0.048/W savings under high-temperature, high-irradiance conditions.
In May, JinkoSolar announced that its cumulative Tiger Neo solar module shipments have exceeded 200 GW (see China Solar PV News Snippets).
At the SNEC PV+ 18th International Solar Photovoltaic & Energy Storage Conference in Shanghai, GCL Group, alongside over 20 organizations including the Global Green Energy Council, APVIA, NEIAAP, TÜV Rheinland, and Ant Digital Technology, officially launched the Global Green Carbon Chain Alliance Initiative. The initiative aims to promote a comprehensive zero-carbon ecosystem across the photovoltaic (PV) industry.
The alliance focuses on 3 primary areas. First, it seeks to develop a standardized system for carbon footprint management throughout the PV industry chain. This includes establishing a unified carbon accounting platform, aligning domestic standards with international certifications, and creating low-carbon benchmarks across the silicon-to-module lifecycle.
Second, it promotes the development of a carbon-efficient PV industry ecosystem by establishing life-cycle evaluation standards and encouraging the integration of raw material innovation, smart manufacturing, and recycling practices. The initiative also plans to cultivate green supply chain demonstration enterprises and explore cross-sector cooperation through a broader “PV+” model.
Finally, it supports policy engagement and public education to standardize carbon footprint management and increase industry-wide awareness.
Vertically integrated solar PV manufacturer Trinasolar has announced a new world record for perovskite/crystalline silicon tandem module power, achieving 841 W. This comes within a week of the company announcing 2 records – 829 W power and 30.6% module efficiency (see Trinasolar Reports ‘Record’ 30.6% Tandem Module Efficiency). The company says this highlights its rapid advancements in tandem solar technologies.
Trinasolar began tandem R&D in 2014 and claims to have led multiple breakthroughs since. In March, it introduced the first industrial-standard module above 800 W (808 W, 3.1 m² area). In April, it reached 31.1% efficiency on a 210 mm industrial-sized tandem cell. Most recently, it became the first company to surpass 30% efficiency at the module level (30.6%, 1,185 cm²).