央视新闻丨青海实现全部市州330千伏大电网双回路供电

Core Viewpoint - The successful commissioning of the Qinghai 330 kV Yushu Second Circuit Project marks a significant advancement in the power supply reliability and capacity for Yushu Tibetan Autonomous Prefecture, addressing the growing electricity demand in the region [1][3][5]. Group 1: Project Overview - The Yushu Second Circuit Project has a total length of 507.5 kilometers and an investment of 1.28 billion yuan, featuring 1,134 towers and traversing complex terrains at an average altitude of over 4,200 meters [3]. - The project was initiated in August 2023 and took nearly two years to complete, involving over 12,000 construction personnel [3][5]. Group 2: Historical Context and Impact - The first 330 kV Yushu circuit was commissioned in 2013, ending the region's long-standing issues of electricity shortages and isolated grid operation [5]. - The new second circuit will interconnect the Yushu power grid with the main Qinghai power grid, resolving the long-chain single circuit supply issue and significantly enhancing power supply reliability for over 400,000 local pastoral residents [5].