Solar power, once so costly it only made economic sense in spaceships, is becoming cheap enough that it will push coal and even natural-gas plants out of business faster than previously forecast. That’s the conclusion of a Bloomberg New Energy Finance outlook for
Solar cells at Technische Rathaus – Stuhlinger, Freiburg
Freiburg is famous for its solar energy. Solar panels equipped many parts of the city and its surroundings. There is a Fraunhofer Institute about solar energy in Freiburg. This “Technische Rathaus” (Technical City Hall) is newly built, with solar panels
Tesla is powering the Hawaiian island of Kauai with more than 54,000 solar panels and its giant battery packs
14 cent/kWh Each day approx. 5 hours peak sun light -> each kW investment yields 70 cent revenue per day. 13 MW solar farm * 0.7 USD/day= 13*10^3 kW * 0.7 $/(kW*day) = 9000 $/day. About 3200000$/year, 64 M$ in