AUTHOR=Hu Weihao , Anvari-Moghaddam Amjad , Xiong Liansong , Zhao Haoran , Du Yuefang , Cao Di , Abulanwar Sayed TITLE=Editorial: Planning and operation of hybrid renewable energy systems, Volume II JOURNAL=Frontiers in Energy Research VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2023.1212394 DOI=10.3389/fenrg.2023.1212394 ISSN=2296-598X