State Grid Tianjin Electric Power Company, Tianjin 300010, China;
State Grid Tianjin Electric Power Economics Technology Research Institute, Tianjin 300000, China;
State Grid Tianjin Electric Power Company, Tianjin 300010, China;
Lawrence Berkeley National Laboratory, US;
State Grid Tianjin Electric Power Company, Tianjin 300010, China;
State Grid Tianjin Electric Power Economics Technology Research Institute, Tianjin 300000, China;