Research on Virtual Power Plant Optimal Scheduling Based on TOU Electricity Price Dunnan Liu, Yuan Gao, Tingting Zhang, Zhixin Dong, Haiyu Huang, Chunming Wang and Shaolian Xi E3S Web Conf., 257 (2021) 01083 Published online: 12 May 2021 DOI: 10.1051/e3sconf/202125701083