Their efficiency drops with each extra celsius degree above a certain temperature threshold, exact numbers depend on the model. See for example: https://www.bo

Their efficiency drops with each extra celsius degree above a certain temperature threshold, exact numbers depend on the model. See for example: https://www.bostonsolar.us/solar-blog-resource-center/blog/how-do-temperature-and-shade-affect-solar-panel-efficiency/ https://www.bostonsolar.us/solar-blog-resource-center/blog/h...