Zixuan is an power system planning & operation optimization engineer in Guangdong Electric Power Design Institute, China. Guo is experienced in the field of energy mix research, energy solution & energy project feasibility study, and also had research experience in ADB’s Technical Assistance. In GEDI, Guo has finished several grid integration study of 400MW LNG generations. Guo also had rich experience participating in the low-carbon energy sustainable solution for City, industrial parks, Financial parks. In 2018-2019, Guo Participated in several ADB’s consultancy items in the field of ‘enhancing power resilience of climate change’ and ‘improving power system reliability in Sri Lanka’. Recently, in the background of fast improvement of renewable energy , Guo is dedicated in the study of energy storage to guarantee the sustainability of future power system.