Optimal scheduling of building integrated energy system based on demand response Mengju Wei, Yang Yang, Mengjin Hu, Yongli Wang, Siyi Tao, Minhan Zhou, Yang Ma and Fuhao Song E3S Web Conf., 185 (2020) 01068 Published online: 01 September 2020 DOI: 10.1051/e3sconf/202018501068