1. Department of Engineering Cybernetics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
2. Finest Centre for Smart Cities, Tallinn University of Technology, Tallinn, Estonia
3. Department of Sustainable Energy Systems, Mälardalen University, Västerås, Sweden
4. Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, Tallinn, Estonia
5. School of Software and Electrical Engineering, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Victoria, VIC, Australia