A partnership between PXP Inc and Tokyo Gas Co is working on developing film-type chalcopyrite solar cells for industrial roofs with low load-bearing capacity. Elsewhere, a coalition of partners is installing inner windows featuring perovskite solar cells at Tokyo’s Telecom Center Building…
https://www.pv-magazine.com/2025/07/23/japanese-projects-to-pilot-solar-on-low-load-bearing-roofs-bipv-windows/