千里银线送绿电 山城发展启新篇——哈密-重庆±800千伏特高压直流输电工程建设纪实

Core Viewpoint - The "Xinjiang Power to Chongqing" project, a ±800 kV UHVDC transmission line, has been completed and is expected to significantly enhance Chongqing's energy supply capacity, particularly with a focus on clean energy sources [1][2][4]. Group 1: Project Overview - The project involves a total investment of 28.6 billion yuan and spans 2,260 kilometers, connecting Xinjiang, Gansu, Shaanxi, Sichuan, and Chongqing [2]. - It is projected to deliver 36 billion kWh of electricity annually to Chongqing, equivalent to the annual consumption of 10 million households, with over 50% sourced from clean energy [2][4]. - The construction of the Yubei converter station, the largest modern converter station in Chongqing, is a key component of the project, covering an area of over 27 hectares [6]. Group 2: Construction Progress - The project commenced construction on August 8, 2023, and has faced challenges such as complex terrain and tight construction schedules [4][14]. - The land acquisition process was completed in just 62 days, and all houses within the designated area were demolished by November 18, 2023 [7][21]. - The Yubei converter station's site preparation involved a record excavation volume of 2.92 million cubic meters, the largest for any UHV converter station in China [9]. Group 3: Collaborative Efforts - The project has received strong support from local government and the State Grid Corporation, with a dedicated coordination team established to streamline processes [21][22]. - A multi-party cooperation model has been implemented, involving government, enterprises, and local communities to ensure efficient project execution [22]. - The project has been recognized as a key energy initiative under China's 14th Five-Year Plan, highlighting its importance to national energy security [19].