重庆将建中国西南地区首座柔性直流背靠背换流站

Core Viewpoint - The Yuchuan back-to-back interconnection project, a key initiative under China's 14th Five-Year Plan for power development, aims to enhance the interconnectivity between the State Grid and the Southern Grid, providing reliable power support for regional economic and social development [1][2]. Group 1: Project Overview - The project commenced construction on December 26 and will establish the first flexible DC back-to-back converter station in Southwest China, with an added conversion capacity of 3 million kilowatts and new lines totaling 2*132.5 kilometers [1]. - The total investment for the project is 4.949 billion yuan, with a planned completion date in June 2027 [1]. Group 2: Regional Power Demand - Since the start of the 14th Five-Year Plan, the electricity demand in the Chengdu-Chongqing economic circle has been rapidly increasing, with projections indicating that by 2030, the maximum electricity load in Guizhou and Chongqing will reach approximately 56 million kilowatts and 51.7 million kilowatts, respectively, representing growth rates of 62.3% and 54.3% compared to 2024 [2]. - The completion of the Yuchuan back-to-back interconnection project will further strengthen the interconnection between the State Grid and the Southern Grid, supporting the growing electricity demand during the 15th Five-Year Plan period and enhancing the capacity for renewable energy absorption and emergency support [2]. Group 3: Strategic Importance - The project will actively promote the implementation of the national energy strategy, enhance the joint absorption capacity of renewable energy, and facilitate the large-scale optimization of energy resources across the country [2].