In Wikipedia, a tall, continuously habitable building of many storeys (at the end of the 19th century these were buildings with at least ten storeys) is called a high-rise building or skyscraper. Wikipedia Germany () defined (on 14.07.2021) a building, according to the state building codes, as a high. The demands placed on the power supply of a modern skyscraper are constantly increasing. A high level of safety, flexibility throughout the entire life cycle, a low level of environmental pollution, the integration. The greatest potential for the optimization of the power supply of a building is already clear during the planning phase. At this stage, the course is set for additional costs and cost increases which may incur during. Because of the numerous options for utilizing, arranging and styling the rooms and floors of a high-rise building, there are always specific requirements for the planning of the electric power distribution. When compiling the boundary conditions, the following must be taken into account during the preliminary planning of the high-rise building: 1. An energy management system (EnMS) is used for the systematic acquisition of the energy flows and facilitates investment decisions to improve the use of energy. Appropriate planning of the measuring and evaluation equipment creates the prerequisites for this. Proof of the continual improvement of the output-related energy utilization can also be pr.