According to the report, the expansion of solar installations is progressing even faster this year: in the first half of 2023, more than 4,800 units were already connected to the grid. This means that more than 20,000 solar installations are currently active in Berlin. Furthermore, Stromnetz Berlin GmbH also recorded significantly more connection requests for solar systems in the first half of 2023. According to the Solarcity Master Plan, 25 percent of Berlin's electricity is to be generated by solar energy by 2035. At the end of 2022, the share was 3.5 per cent.