Core Viewpoint - The Ningxia-Hunan ±800 kV UHVDC project has been put into operation, serving as a crucial channel connecting the abundant renewable energy resources in the western region with the load centers in central China, significantly enhancing energy supply security and promoting the optimization of clean energy distribution [2][4]. Group 1: Project Overview - The Ningxia-Hunan project has a rated voltage of ±800 kV and a capacity of 8 million kW, spanning 1,616 kilometers with a total investment of 28.1 billion yuan [4]. - It is the first UHVDC project approved to primarily transmit renewable energy from the "Shagao" wind and solar base and is the third UHVDC project to be put into operation this year [4]. - The project is expected to deliver over 36 billion kWh of electricity annually to Hunan, with more than 50% coming from renewable sources [5]. Group 2: Economic and Social Impact - The project will significantly enhance Hunan's electricity supply, increasing its external electricity capacity to 16 million kW and providing about one-sixth of the province's power needs [5]. - It is anticipated to drive investment exceeding 70 billion yuan in Ningxia, positively impacting local infrastructure and related industries, thereby stabilizing supply chains and employment [6]. - The project supports the development of high-energy industries in Hunan, such as advanced manufacturing and data centers, optimizing the business environment [6]. Group 3: Technological Innovation - The project has achieved a series of standardized results, including over 5,500 typical drawings and the establishment of various national and industry standards [7]. - It has successfully implemented domestic manufacturing of all equipment, marking a significant advancement in the quality of domestic components used in UHVDC technology [7]. - The project exemplifies the integration of advanced technology in the construction of UHVDC lines, addressing challenges related to safety and reliability in complex environments [7].
国家电网：宁夏-湖南±800千伏特高压直流输电工程投产送电
Jing Ji Guan Cha Bao·2025-08-20 05:00