The four-storey office building of the Energy Holding AG operates as a complete system sustainability and was then certified to the Gold Award by the German Society for Sustainable Building. It provides a holistic conceptualized world of work. The central hall with an open staircase connects all floors. The affiliated, general living areas provide many opportunities for informal meetings and communication. With its position parallel to the ground edge, the new building fits into the topography of the surrounding landscape and forms an ensemble with the existing buildings energy Holding AG. At its height development, it stands out confidently on the heterogeneous development of the industrial area and formulated a new, memorable address for the head office.