AUTHOR=Zhang Dongdong , Goh Hui Hwang , Zhao Haisen , Ahmad Tanveer TITLE=Editorial: Key technologies of smart energy system optimization JOURNAL=Frontiers in Energy Research VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2023.1339932 DOI=10.3389/fenrg.2023.1339932 ISSN=2296-598X