Germany’s total installed grid-connected photovoltaic systems installed on roofs and properties stood at nearly 4.8 million units, with a total capacity of about 106.2 GW at the end of 2025. Compared with the end of 2024, the number of rooftop systems rose by 17.6%, and installed capacity increased by 11.8%, marking a new record, according to the Federal Statistical Office (Destatis).