Nikola Matak, mag.ing.mech, is a PhD student at Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb (UNIZAG FSB). He graduated at the UNIZAG FSB in the Department of Energy, Power Engineering and Environment. He is currently employed at The International Centre for Sustainable Development of Energy, Water and Environment Systems – SDEWES Centre working as project manager on the projects YENESIS, COASTENERGY and JointSECAP. He is expert in energy planning and the development of innovative business models for the implementation of RES projects.