Full name: 2021 3rd International Conference on Smart Grid and Green Energy Abbreviation: SGGE 2021 2021 3rd International Conference on Smart Grid and Green Energy (SGGE 2021) will be held in Shandong University, Qingdao, China during March 26-28, 2021. SGGE 2021 Shining point: 1. Assoc. Prof. P. W. T. Pong from The University of Hong Kong, Hong Kong | Senior Member of IEEE will join as Speaker. 2. Accepted and selected papers will be published into IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315) or International Journal of Smart Grid and Clean Energy (SGCE); (ISSN: 2315-4462 (Print), ISSN: 2373-3594 (Online)), Indexed by: CNKI, Google Scholar, Crossref, etc. 3. The SGGE 2020 was successfully held in Bali, Indonesia during January 13-15, 2020 The other topics of interest for submission have been uploaded in our conference website: http://sgge.org/cfp.html English is the official language of the conference. We welcome paper submissions. Submission Methods: http://confsys.iconf.org/submission/sgge2021(.pdf only) Email: sgge@ieet.ac.cn Contact us: Ms.Echo Conference address：Shandong University, Qingdao, China E-mail: sgge@ieet.ac.cn Conference website: www.sgge.org Tell: +852-3500-0137 (Hong Kong) +86-28-88220101 (Chengdu)