An Energy Management System (EMS) is the brain of a smart electrical distribution system. It collects and analyzes data from IoT sensors, meters, and other devices, allowing building managers to monitor energy usage, identify inefficiencies, and implement energy-saving strategies. ABB Drives is a global technology leader serving industries, infrastructure and machine builders with world-class drives, drive systems and packages. In enables both individual technical systems and complete buildings to be automated. Forming to significantly reduce a large share of global energy consumption – that is to say, energy con-sumption in buildings? This question is not only energy. It is the digital backbone that allows intelligent buildings to deliver energy efficiency, occupant. Article 1 of the revised Energy Performance of Buildings Directive (EPBD) (EU/2024/1275) outlines its objective: to promote practices that achieve a zero-emission building stock in the Union by 2050. This goal is based on a set of criteria that consider climatic conditions, adequate indoor. With rising energy costs, stringent environmental regulations, and growing demand for sustainability, building managers and developers are increasingly turning to smart electrical distribution systems to optimize energy use in commercial and residential properties.