= Solar CvOW52 =
 * FAQ, Begriffe - https://www.zolar.de/photovoltaik-lexikon
 * DIY, Fotos - http://home.eversberg.eu/medialog/index.php?path=projects%2Fsolar&limit=100

 * Standortdaten - https://joint-research-centre.ec.europa.eu/pvgis-photovoltaic-geographical-information-system/pvgis-releases/pvgis-52_en