1. Delft University of Technology,Energy and Industry Group, Faculty of Technology Policy and Management,Delft,the Netherlands
2. Ghent University,Faculty of Engineering and Architecture,Department of Industrial Systems Engineering and Product Design,Belgium
3. Fraunhofer Institute for Systems and Innovation Research,Karlsruhe,Germany
4. Athens University of Economics and Business,Department of Informatics,Athens,Greece
5. Institute for European Energy and Climate Policy (IEECP),Amsterdam,Netherlands