世界海拔最高特高压直流输电工程全线贯通

Core Points - The world's highest UHVDC project, the Jinsha River upstream to Hubei ±800 kV UHVDC transmission project, has achieved full line connectivity, marking a significant milestone in China's "West-to-East Power Transmission" initiative [2][3] - The project spans 1,901 kilometers across four provinces (Sichuan, Chongqing, Tibet, and Hubei) and is designed to transport 40 billion kilowatt-hours of electricity annually, integrating hydropower and new energy sources [2] - The Sichuan section of the project is 976.4 kilometers long, with the most challenging construction occurring in the western Sichuan region, characterized by steep terrain and high altitudes [2][3] Project Details - The highest tower in the project reaches an altitude of nearly 4,800 meters, making it the highest UHV tower in the world [2] - Over 300 construction cableways have been established to enhance transportation efficiency in the mountainous areas during the construction phase [3] - The project is currently in the final stages, with the State Grid Sichuan Electric Power accelerating the debugging and testing of converter stations and lines to ensure timely operation [3]