Core Viewpoint - The approval of the Xiangqian, Xiangyue, and Yuchuan flexible interconnection projects will significantly enhance the power transmission capacity between Southern Power Grid and State Grid, with a total investment exceeding 15.6 billion yuan and a maximum transmission capacity of 9 million kilowatts [1][2]. Group 1: Project Details - The three projects are set to start construction by the end of this year and are expected to be completed before the summer peak in 2027 [1]. - The new projects will increase the number of transmission channels between Southern Power Grid and State Grid from 2 to 5, thereby significantly enhancing cross-regional power exchange capabilities [2]. Group 2: Implementation and Coordination - Southern Power Grid has established a multi-disciplinary collaborative mechanism to enhance internal coordination and has formed a joint working group with State Grid to facilitate project planning and execution [3]. - The projects will include the construction of three flexible DC back-to-back converter stations, each with a capacity of 3 million kilowatts, located in Tongren, Guizhou; Chenzhou, Hunan; and Chongqing [4]. Group 3: Benefits and Strategic Importance - The projects will improve power supply security and renewable energy absorption capabilities, particularly benefiting regions with complementary power load characteristics, such as Hunan and Guizhou [10]. - The successful implementation of these projects will provide a solid physical foundation for regular power trading across grid operating areas, enhancing emergency support capabilities during extreme weather events [7][10].

Core Points - The approval of five back-to-back projects by the National Development and Reform Commission (NDRC) will enhance inter-provincial power support and provide reliable electricity for economic development [1][2] - The total investment for these projects is 24.4 billion yuan, which includes the construction of five 3 million kilowatt flexible direct current converter stations and 1,227 kilometers of 500 kV access system lines [1] - The projects are part of the "14th Five-Year" electricity development plan and are expected to be operational before the summer peak in 2027 [1][2] Group 1 - The five approved projects include the Chongqing-Guizhou, Hunan-Guangdong, Hunan-Guizhou, Fujian-Jiangxi, and Anhui-Hubei projects [1] - The State Grid Corporation of China and the Southern Power Grid Company are leading the construction of these projects, ensuring effective collaboration and coordination [2] - The projects aim to improve the safety, reliability, and economic efficiency of the power system while supporting the construction of a unified national electricity market [3] Group 2 - The National Energy Administration has emphasized the acceleration of project planning and construction, with the State Grid Company taking a proactive role in organizing and coordinating efforts [2] - A joint working group has been established between the State Grid and Southern Power Grid to enhance technical and management collaboration for the projects [2] - The focus is on high standards and quality in the construction process, ensuring timely completion and operational readiness [3]