国家电网：金上—湖北±800千伏特高压 直流输电工程建成投运

Core Viewpoint - The completion and operation of the Jinshang-Hubei ±800 kV UHVDC project is a significant milestone for China's energy transition, enhancing the optimization of clean energy distribution and ensuring energy security [2][3]. Group 1: Project Overview - The Jinshang-Hubei project spans approximately 1900 kilometers, connecting the upper reaches of the Jinsha River in Tibet and Sichuan to Hubei, with a total capacity of 8 million kilowatts [3]. - It is the first UHVDC project to be implemented in high-altitude areas, overcoming numerous technical and logistical challenges [3][5]. Group 2: Strategic Importance - This project serves as a crucial channel for the "West-to-East Power Transmission" strategy, significantly improving the ability to balance power supply and demand across regions [4]. - It supports the development of a new energy system and aligns with national strategies for high-quality development in central China and the western region [4]. Group 3: Environmental Impact - The project is expected to deliver approximately 40 billion kilowatt-hours of clean electricity annually, replacing about 12 million tons of standard coal and reducing carbon dioxide emissions by around 30 million tons [4]. - It plays a vital role in promoting the large-scale development and efficient utilization of renewable energy resources [4]. Group 4: Technological Innovations - The project introduces a pioneering site-separated cascading technology, enhancing operational flexibility and marking a significant advancement in UHV technology [5]. - It has developed specialized equipment for high-altitude conditions, achieving world-leading standards in UHV transmission technology [5]. Group 5: Future Outlook - The State Grid Corporation plans to continue enhancing grid construction and resource optimization to support high-quality economic development and modernization efforts in China [6].