The German-based company entegra developed the intelligent 3D BIM engineering software primtech. It is the revolutionary solution for engineering, design, construction and documentation of high-voltage substations. primtech assists in each phase of the substation life cycle, from the tender phase and initial draft through to implementation planning and in O&M with a digital twin. It is used worldwide e.g. Siemens, Hitachi Energy Ltd., Schneider Electric, Hyosung, Fichtner, TenneT, EnBW, E.ON.