As the first solar province in Indonesia, Semarang City has 6.9 MWp potential of rooftop solar for government offices (for both provincial government offices and city administration offices) and 32 regent’s offices across Central Java. DPRD office building is the pioneer of the government office in Central Java to install rooftop solar then. The SG20RT is a Multi-MPPT String Inverter exclusively for the household segment. The PV installed adopt the best technology to reduce LCOE and installation costs.