Berlin (AFP) – As snowflakes gently settled on his balcony solar panels on a cold winter's day, Berliner Jens Sax checked his smartphone to see how much electricity they were generating.

Cheaper than photovoltaic roof panels and easy to install - balcony solar is taking off as Germany seeks to switch to renewables. More than 800 000 kits had been installed in Germany by the end of ...

As snowflakes gently settled on his balcony solar panels on a cold winter's day, Berliner Jens Sax checked his smartphone to see how much electricity they were generating. The amount was modest now, ...