Key Findings
The Chinese photovoltaic industry continues to demonstrate remarkable progress in both technological innovation and manufacturing capacity expansion. JinkoSolar, in collaboration with Suzhou University, was awarded the prestigious 2026 WITec Paper Award Gold for their significant contributions to understanding defects in silicon solar cells. Concurrently, industry giant LONGi has announced ambitious plans to build a 100MW pilot line specifically for high-efficiency crystalline silicon-perovskite tandem cells, in addition to a 1GW production line for BC (Back Contact) cells. Notably, Renshine Solar, a company specializing in perovskite PV, reported achieving an impressive 22.0% efficiency on meter-scale perovskite modules, marking a crucial milestone towards the practical implementation of large-area perovskite solar cells.
Technical Details
JinkoSolar’s award-winning research contributes to a deeper understanding of internal defect mechanisms in silicon solar cells, which is vital for further efficiency improvements. LONGi’s planned 100MW perovskite-silicon tandem pilot line follows their recent world record of 35.5% efficiency and aims to accelerate the commercialization of this innovative technology. Tandem cells combine perovskite and silicon layers, each optimized for different parts of the solar spectrum, enabling more efficient light utilization and surpassing the efficiency limits of single-junction cells. Renshine Solar’s achievement of 22.0% efficiency on meter-scale modules is particularly significant as it demonstrates the successful scale-up of high efficiencies from small laboratory cells to larger, product-relevant areas, thereby enhancing the feasibility of mass production.
Background and Industry Context
China is the world’s largest producer of solar photovoltaics and a leading force in technological innovation within the sector. Driven by strong government support and aggressive corporate investments, continuous improvements in solar cell efficiency and reductions in manufacturing costs have been achieved. Perovskite solar cells, with their high theoretical efficiency and manufacturing flexibility, are globally recognized as a leading next-generation technology. China’s proactive stance in this field, with companies like LONGi and Renshine Solar leading advancements, holds significant implications for the global energy transition. The progress in perovskite-silicon tandems and large-area perovskite modules is expected to contribute to the expansion of existing solar markets and the development of new application areas.
Future Outlook
These announcements collectively indicate that perovskite solar cells are rapidly transitioning from the research laboratory to commercial production. LONGi’s pilot line construction is a forward-looking move towards large-scale production within a few years, while Renshine Solar’s high-efficiency large-area modules broaden the potential for perovskite technology across diverse applications. JinkoSolar’s fundamental research underpins long-term innovation across the PV landscape. These developments are crucial for solar power to further enhance its competitiveness and play a dominant role in the global energy mix, thereby accelerating the transition to a sustainable society. The sustained technological leadership of Chinese companies is expected to continue profoundly influencing the global solar market dynamics.
Source: https://taiyangnews.info/markets/china-solar-pv-news-snippets-august-13-2026
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