Shin'ya Obara is a Professor in the Department of Electrical and Electronic Engineering at Kitami Institute of University, Hokaido, Japan. He received B.S. in mechanical engineering from Nagaoka University of Technology, Japan in 1987, M.S. in mechanical system from Nagaoka University of Technology, in 1989 and a Ph.D. in mechanical science from Hokkaido University in 2000, while he was working in companies and academic organisations. He worked as a researcher in Department of Mechanical Science of Hokkaido University from 2000-2001. Dr. Shin'ya Obara joined Tomakomai National College of Technology in 2001 after an eight-year period in industry (as engineer and assistant manager for researches, in two different companies, namely Takasago Thermal Engineering Co., Ltd. and Aisin AW Co., Ltd. in Japan). He was associate professor of Department of Mechanical Engineering of Tomakomai National College between 2001-2007. Moreover, he was professor of Department of Mechanical Engineering of Tomakomai National College in 2008 and Professor of Department of Electrical and Electronic Engineering at Kitami Institute of Technology between 2008 to data. His research has been involved with power and heat energy and operation optimisation analyses of energy compound systems and energy efficiency, microgrid technology, energy network system with renewable energy sources.