AUTHOR=Wu Qiang , Zhou Ming , Yan Jiong , Sang Zixia , Wang Sicong TITLE=A survey on investment efficiency-oriented power grid infrastructure planning JOURNAL=Frontiers in Energy Research VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1561763 DOI=10.3389/fenrg.2025.1561763 ISSN=2296-598X