‘If 1.5m Germans have them there must be something in it’: how balcony solar is taking off. In Spain, balcony panels benefit more than roof panels from the low winter sun. Balcony solar panels can save 30% on a typical household’s electricity bill and, with vertical surface..

https://www.theguardian.com/environment/2024/dec/18/if-a-million-germans-have-them-there-must-be-something-in-it-how-balcony-solar-is-taking-off

by Competitive_Mark8153