On December 2, employees of the State Grid Chongqing Electric Power Company assembled Tower 31 of the Jinshan-Mingyue Mountain 500 kV line. Tower 31 being assembled is 106.4 meters high and weighs 373 tons, setting a record for the weight of a 500 kV iron tower in Chongqing. the most.

  As the first transmission line in Chongqing that adopts 500kV and 220kV mixed-voltage and same-tower technology, the 37 base towers have a total of 11 kilometers of line corridors, all of which adopt mixed-voltage and same-tower technology, which greatly saves the space of line corridors and reduces overhead line belts In the future, the urban plots will be separated, so that the grid construction and urban construction can develop harmoniously.

  As one of the top 100 key projects in Chongqing in 2022, the Jinming Line will provide important support for the first UHV "Jiangdian Power into Chongqing" project in Chongqing after it is put into operation. "Double-shot" target grid structure, a key project to open up the key passages of the inner and outer double rings in northern Chongqing.

In addition, Jinming Line is expected to be put into operation in July 2024.

(Reporter Jia Nan and Zhou Yi video source State Grid Chongqing Electric Power Company)

Responsible editor: [Wang Kai]