On September 26, 2022, Sichuan Province held on-site promotion activities for major projects in the third quarter. According to the site, during the "14th Five-Year Plan" period, Sichuan Province plans to increase investment of over 600 billion yuan, of which 210 new power supply projects are planned, with a planned total investment of 428.9 billion yuan; 62 new power grid projects of 500 kV and above are planned. The total investment is 180 billion yuan.

Four power grid projects were started at the site of this promotion activity. The Baihetan sending-end converter station is matched with the Jianchang converter station to Xufu 500kV power transmission and transformation project, which is planned to be completed in 2023. The Baihetan sending-end converter station is matched with Yuecheng II500 The kilovolt power transmission and transformation project is planned to be completed in 2025, and the Leshan South 500 kV power transmission and transformation project is planned to be completed in 2024. The new 220kV power grid project in Sichuan Province is planned to be completed in 2024.

The "14th Five-Year Plan for Energy Development of Sichuan Province" and the "14th Five-Year Plan for Electric Power Development of Sichuan Province" disclosed at the beginning of 2022 have made plans to coordinate cross-regional channels, promote UHV exchanges and optimize the main network in the province. The layout of the grid construction has been carried out, indicating that it is necessary to focus on promoting the construction of the Sichuan-Chongqing UHV AC target grid, essentially improving the safe operation level of Sichuan power grid and the ability to resist serious faults, and providing strong power guarantee for the in-depth implementation of the national strategy for the construction of the Chengdu-Chongqing economic circle. .

Specifically deployed as

Accelerate the research and planning of Tibet and Northwest electricity access channels to Sichuan, and further enhance Sichuan's inter-provincial and inter-regional power exchange capabilities. Research and promote the transmission of hydropower from the lower reaches of the Yarlung Zangbo River in Tibet to UHV DC into Sichuan to continue the transmission of UHV DC in Sichuan.

During the "14th Five-Year Plan" period, the Ganzi-Tianfu South-Chengdu East, Aba-Chengdu East, Tianfu South-Chongqing Tongliang 1000kV UHV AC power transmission and transformation project and its supporting 500kV AC power transmission and transformation project and its supporting 500kV project will be built, and the Ganzi and Aba UHV projects will be strengthened. The power collection capacity of the AC substation can meet the transmission needs of large-scale hydropower stations and wind and solar bases put into operation during the "14th Five-Year Plan", solve the bottleneck restriction of the transmission channel of the power grid, and improve the power supply capacity of major load centers such as the Chengdu metropolitan area, northern Sichuan, southern Sichuan, and northeastern Sichuan.

According to the large-scale production progress of hydropower and new energy in Panxi area, it is planned to build a 1000 kV UHV AC power transmission and transformation project from Panxi Power Grid to the provincial load center. In the medium and long term, promote the northward and westward extension projects of Sichuan 1000kV UHV AC, plan and study the 1000kV power transmission and transformation projects in Mianyang, Northeast Sichuan and South Sichuan, and build Sichuan UHV AC ring network.

Complete the "north three-dimensional double-ring" grid structure of Sichuan Power Grid around the Chengdu area, and build the "South Sichuan Target Grid" in Yibin, Luzhou, Neijiang, Zigong, Leshan, and Meishan in the medium and long term, so as to increase the overall proportion of Sichuan Power Grid to new energy Gradually improve the adaptability and operational reliability of new power systems.

Promote the construction of power grids in the Chengdu metropolitan area, the eastern new district of Chengdu, the Yibin Sanjiang New District, the Nanchong Linjiang New District, and the Mianyang Science and Technology City New District. Strengthen the construction of 220 kV and 110 kV grids and networking projects, strengthen the requirements for fair and open access to power grids, and promote the integrated development of provincial power grids and State Grid Sichuan power grids. Editor / Xu Shengpeng