ICACER 2021 2021 6th International Conference on Advances on Clean Energy Research Barcelona, Spain April 15-17, 2021 http://www.icacer.com/ Publication: After a careful reviewing process, accepted, registered and presented papers will be published in the ICACER 2021 Conference Proceedings in Energy Reports (ISSN: 2352-4847) Indexed by Science Citation Index Expanded Ei Compendex & Scopus Directory of Open Access Journals (DOAJ). Journal Metrics CiteScore: 5.47 Impact Factor: 3.830 Source Normalized Impact per Paper (SNIP): 2.451 SCImago Journal Rank (SJR): 1.396 Call for Paper: Wind, solar, biomass and geothermal energies Ocean energy harvesting Energy efficiency in buildings and appliances Smart grids and microgrids for green electricity Green fuel/energy for mobility Efficient long-distance transmission in supergrids Efficient AC/DC/AC energy conversion More topics via: http://www.icacer.com/CFP.html Venue: Universitat Politècnica de Catalunya, BarcelonaTECH, Spain(UPC) Campus Nord, Calle Jordi Girona, 1-3, 08034 Barcelona, Spain Submission Methods: Full Paper (publication and oral presentation) Abstract (oral presentation only) Electronic Submission System (.pdf) http://confsys.iconf.org/submission/icacer2021 or submit it via email: icacer@zhconf.ac.cn. Contacts: Ms. Mandy . J. L. Ming E-mail: icacer@zhconf.ac.cn Tel: +86-28-83207566