Kesterite tech news
Canadian Solar Inc. (NASDAQ: CSIQ) announced on July 14, 2026, the commercial launch of "BiSidian K," a semi--transparent Kesterite (CZTS) module line optimized for Building--Integrated Photovoltaics (BIPV). Utilizing a proprietary "Sputter--and--Sulfurize" manufacturing technique, the modules achieve 12.8% efficiency with 30% transparency. This product targets the architectural glass market, providing a non--toxic, earth--abundant alternative to CdTe and CIGS for sustainable urban infrastructure.