1. Cyberphysical Systems Group, Lappeenranta University of Technology, Lappeenranta, Finland
2. Cyber-Physical Systems Group, LUT, Lappeenranta, Finland
3. Department of Energy, AAU, Aalborg, Denmark
4. Department of Energy, Aalborg University, Aalborg, Denmark
5. Lappeenranta University of Technology (LUT), Lappeenranta, Finland