World’s Largest OPV System Installed on French School Roof Updated On Thu, Nov 16th, 2017 by Saurenergy The goal of this experimental project is to open the door to longer term and large-scale development of OPV technology. French multinational Engie has inaugurated the world’s largest organic photovoltaic (OPV) system on a roof at a school in France, with Heliatek’s technology. The 530m2 roof of the Pierre Mendès-France secondary school, in La Rochelle, […] Read more