On April 20, 2023, the relocation project of the 500 kV line from the factory entrance to Qidian I of the Kunming Changshui Airport Reconstruction and Expansion Project started.

According to reports, the reconstruction and expansion of Kunming Changshui International Airport is a powerful measure to speed up the establishment of an international aviation hub through cooperation between the central government and the government and enterprises, and to realize a strong civil aviation province. This project is one of the key pipeline relocation projects of the Kunming Changshui Airport Reconstruction and Expansion Project. In order to cooperate well with the No. 1 project in Central Yunnan New District, Yunnan Power Grid Co., Ltd. relocated and relocated the power facilities, relocated the factory entrance to the 500 kV line of Qidian I, and the 35 kV Wusazhuang substation, sprinting for Changshui Airport across the country Leading international airports cede airspace.

In addition, the project construction will further optimize the grid structure in central Yunnan, effectively support the rapid growth of electricity load, and improve the power supply capacity and reliability of the grid. After the completion of the project, it will further share the power supply pressure of Changkou Substation and Qidian Substation, enhance the adaptability of the 220 kV power grid in the east and north of Kunming's main city, continue to absorb and transfer large-scale hydropower resources in Wudongde, and optimize power resources for Central Yunnan New Area It is of great significance to configure, promote industrial upgrading and development, and promote the development and construction of new districts.

In this phase, 49 towers were built, 18.05 kilometers of new lines were built, 57 towers were demolished, and 25 kilometers of lines were demolished. Finally, a 500-kV line from Changkou to Baiyi and a 500-kV line from Qidian to Baiyi I were formed, connecting the central and northern parts of Kunming. The 500 kV Changkou Substation, Baiyi Substation, and Qidian Substation are connected to greatly improve the reliability of regional power supply. Editor/He Yuting