AUTHOR=Chen Wengang , Wang Xinrui , Tian RuiMin , Ji Yuze , Liu Helong , Yuan Yafei TITLE=Coordinated optimization scheduling of wind, solar, hydro and methane power generation with adjustable methane JOURNAL=Frontiers in Energy Research VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1563828 DOI=10.3389/fenrg.2025.1563828 ISSN=2296-598X