High Quality Content by WIKIPEDIA articles! The Rote Jahne Solar Park in Saxony, Germany, has a total output capacity of 6 megawatts peak (MWp). Built at a former military airfield, it has 90,000 First Solar thin-film modules covering approximately 6.7 hectares, and produces approximately 5.7 million kilowatt-hours (kW·h) of solar electricity every year. The project cost around Euro 21 million or US $28 million.