1. Strong power grid structure: A three-dimensional power grid is formed, including a 500 kV seven-station ring network, a 220 kV two-zone ring network, 1 10 kV radiation interconnection, etc.
2. Wide power supply scope: undertake the power transmission and distribution tasks of Chongchuan, Tongzhou, Haimen District and Nantong Economic and Technological Development Zone in Nantong City, as well as Rugao, Hai 'an, Qidong and Rudong counties.
3. Strong power supply capacity: among the 280 substations above 35kV, there are 7 substations of 500kV, 55 substations of 220kV, 58 substations of 160 1 10kV and 58 substations below 35kV.