Dear Colleagues,
Over the past years of the new millennium, investment in energy systems dramatically increased across the globe, and several efforts have been put into the optimization of processes in energy industries and replacement of traditional energy sources by sustainable ones; however, there are still challenges to improve the system performance, especially when the sustainable matters are accounted. Therefore, we invite contributions for a Special Issue entitled: “Sustainable Optimization of Energy Systems”, which is keen on topics including, but not limited to any of the following:
Dr. Pouriya Niknam (Guest Editor) 
Knowledge Exchange Research Fellow 
School of Chemical Engineering 
University of Birmingham 
Birmingham B15 2TT 
United Kingdom 
Email: p.niknam@bham.ac.uk, pouriya.niknam@gmail.com