average turn-key prices for rooftop PV systems up to 100 kWp in Germany. photovoltaik-guide.de, pv-preisindex since 2009 Archived 2017-07-10 at the Wayback... 122 KB (13,618 words) - 12:28, 8 May 2024 |
average turn-key prices for rooftop PV systems up to 100 kWp in Germany. photovoltaik-guide.de, pv-preisindex since 2009 Archived 2017-07-10 at the Wayback... 122 KB (13,618 words) - 12:28, 8 May 2024 |