Largest Fully Transparent Organic Photovoltaic Window

The record for the largest fully transparent organic photovoltaic window measuring 101.6 cm x 152.4 cm was created by California-based organic photovoltaic (OPV) start-up Next Energy Technologies.The window is built with a substrate, a transparent OPV layer, an edge seal, a busbar, a junction box and cover glass as confirmed on 24 July 2025.