AUTHOR=Yu Xiaowei , Ling Xu , Zhou Xiaogang , Li Kui , Feng Xiaoxia TITLE=Flexibility evaluation and index analysis of distributed generation planning for grid-source coordination JOURNAL=Frontiers in Energy Research VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2022.1019352 DOI=10.3389/fenrg.2022.1019352 ISSN=2296-598X