2021 3rd International Conference on Smart Grid and Green Energy (SGGE 2021) organized by Shandong University, supported by Xiamen University of Technology, South-South Collaborative and Sustainable Development Center and International Society for Environmental Information Sciences (ISEIS), Shandong University of Technology, Institute for Energy, Environment Sustainable Communities (IEESC), Hong Kong Chemical, Biological & Environmental Engineering Society (HKCBEES), Environment and Agriculture Society (EAS), will be held in Shandong University, Qingdao, China during March 26-28, 2021.

HKCBEES takes great pleasure in welcoming you to Shandong University, Qingdao, China for the SGGE 2021 under the theme "Smart Grid and Green Energy". It is one of the leading international conferences for presenting novel and fundamental advances in the fields of Smart Grid and Green Energy. It also serves to foster communication among researchers and practitioners working in a wide variety of scientific areas with a common interest in improving Smart Grid and Green Energy related techniques.