Solar News

https://www.energy-storage.news/news/pvel-adds-energy-storage-to-suite-of-qualification-programmes

https://www.energy-storage.news/news/pvel-adds-energy-storage-to-suite-of-qualification-programmes

Auch interessant:  https://www.solarpowerworldonline.com/2020/01/solars-silent-killer-backsheets-are-shortening-project-lifespans/