AUTHOR=Yang Bo , Song Dongran , He Xing , Zhang Xiaoshun , Choi Sungyun , Duan Chao , Ren Yaxing TITLE=Editorial: Advanced Optimization and Control for Smart Grids With High Penetration of Renewable Energy Systems JOURNAL=Frontiers in Energy Research VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2021.792249 DOI=10.3389/fenrg.2021.792249 ISSN=2296-598X