Greenventory is a software-as-a-service solution for automated mapping and analysis of customized energy systems. Therefore, a large number of data sources are joined, evaluated and used to build a building-ready data base for the energy system. Based on this, options for action can be evaluated transparently and future development paths can be explored. The main customer group are energy suppliers, network operators and the real estate industry. Greenventory’s solution enables a detailed, consistent data base at the touch of a button and all sectors (energy, traffic, heat) can be found in one tool.