Japan-based Sekisui Chemical Co., Ltd. announced its decisionto begin mass production of lightweight and flexible perovskite solar cells. Developed under the Green Innovation Fund, the technology is set for commercialization in 2025. To address capacity and cost challenges, the company planned an investment to establish a 100 MW manufacturing line by 2027, targeting a gigawatt (GW)-level production system by 2030.Sekisui repurposed facilities acquired from Sharp Corporation in Osaka and established Sekisui Solar Film Co., Ltd. for design, production, and sales. Initial efforts focus on low-load-bearing roofs and public facilities, later expanding to private-sector buildings.A collaboration with the Development Bank of Japan (Sekisui holding 86% ownership) supported the venture. With a total investment of 90 billion yen (~$570.07 million), including subsidies covering 50% of costs, Sekisui was selected for the GX Supply Chain Construction Support Project.