Companies wish to complain about excessive power prices in Germany. You might generate electrical energy your self and save some huge cash, reveals a brand new calculation.
https://www.spiegel.de/wirtschaft/erneuerbare-energien-photovoltaik-auf-firmendaechern-rentiert-sich-nach-sieben-jahren-a-250be8d1-8e74-4203-8186-d1390032f97b#ref=rss
Renewable energies: Photovoltaics on firm roofs repay after seven years | EUROtoday
