1. School of Electrical and Computer Engineering, Zografou Campus, National Technical University of Athens, Heroon Polytechniou 9, GR 15780 Athens, Greece
2. School of Chemical Engineering, Zografou Campus, National Technical University of Athens, Heroon Polytechniou 9, GR 15780 Athens, Greece
3. School of Applied Arts and Sustainable Design, Hellenic Open University, Parodos Aristotelous 18, GR 26335 Patras, Greece
4. Laboratory of Industrial and Energy Economics (LIEE), Zografou Campus, National Technical University of Athens, Heroon Polytechniou 9, GR 15780 Athens, Greece