AUTHOR=Li Yang , Xu Zhao TITLE=Editorial: Enabling High-Penetration Renewable Integration Into a Smarter Grid JOURNAL=Frontiers in Energy Research VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2020.617556 DOI=10.3389/fenrg.2020.617556 ISSN=2296-598X