中国“西电东送”再添能源动脉 金上—湖北工程建成投运

Core Viewpoint - The completion and operation of the Jinshang-Hubei ±800 kV UHVDC project is significant for promoting the cross-regional optimization of clean energy, facilitating the green and low-carbon transformation of energy, and enhancing national energy security [1][2] Group 1: Project Overview - The Jinshang-Hubei project is the first UHVDC project to penetrate deep into the Tibetan Plateau, starting from the upper reaches of the Jinsha River and passing through Tibet, Sichuan, Chongqing, and Hubei [1] - The project utilizes ±800 kV rated voltage and an 8 million kW rated capacity, with a transmission distance of nearly 1900 kilometers [1] - It is the world's first UHVDC project successfully applying site-level cascading technology at high altitudes [1] Group 2: Environmental Impact - The project is expected to deliver approximately 40 billion kWh of clean electricity annually, equivalent to replacing about 12 million tons of standard coal and reducing carbon dioxide emissions by approximately 30 million tons [1] Group 3: Strategic Importance - The Jinshang-Hubei project adds a new energy artery to the "West-to-East Power Transmission" initiative and is the second UHVDC project to bring external electricity into Hubei [2] - It will significantly enhance the mutual assistance of power supply and demand, promote resource optimization, and support the large-scale development of renewable energy [2] - The State Grid has built and put into operation 42 UHV projects, achieving a cross-regional transmission capacity of 370 million kW [2]