Optimal Model of Investment Decision for Distribution Network Construction Project YU Haozheng, SUN Huijun, LI Ke, ZHOU Peng, GUO Xinzhi, PAN Zhaolun, YU Jinxiong, WANG Kehui and LI Yulu E3S Web Conf., 194 (2020) 03020 Published online: 15 October 2020 DOI: 10.1051/e3sconf/202019403020