ehub is an energy research platform for research and business partners. Its aim lies in optimizing energy management from the component up to district level together with its partners. Furthermore, ehub allows for the evaluation of the influence of sustainable technologies on the entire energy system. In conjunction with the other Empa demonstrators NEST and move, ehub can be used to combine energy flows in the mobility, residential and work sector, test new energy concepts under real-world conditions and explore the potential for increasing efficiency and reducing CO₂ emissions.