Short term Load Forecasting Considering Demand Response under virtual power plant mode Zhendong Du, Di Wu, Hua Bai, Zhengyong Wang, Yizong Guo and Chuangxin Guo E3S Web Conf., 256 (2021) 02006 Published online: 10 May 2021 DOI: 10.1051/e3sconf/202125602006