This conference is organized to share and discuss recent developments in the clean energy sector. The aim of ICCE 2019 is to gather researchers, scientists, engineers, practitioners, policy makers, from all over the world to present advances in the clean energy technologies. We are in an era in which there is a continuous progress in green energy sources and technologies and ICCE 2019 will provide a forum to exchange information, present new technologies and developments, and discuss the future direction, strategies, and priorities in the field of clean energy.