A German-Swiss research team has calculated how many houses could be decoupled from external infrastructure using solar power and battery and hydrogen storage. The proportion could rise to 75 percent by 2050.With two million single-family homes, total self-sufficiency is possible for 50 percent addi

Europe’s solar installation levels are exceeding expectations and are on track to grow 30% this year from 2022, according to Rystad Energy.

Austria has reduced the value-added tax (