南网储能： 桂林首个抽水蓄能工程最长洞室贯通

Core Insights - The Guangxi Guilin Pumped Storage Power Station project has successfully completed the blasting of a 2,376-meter self-flow drainage tunnel, marking a significant milestone in the construction process [1] - The underground engineering of the power station consists of a total length exceeding 22 kilometers and a volume of 2.1 million cubic meters, designed to ensure the safety of the facility [1] - The total investment for the Guilin Guanyang pumped storage power station is approximately 8 billion yuan, with an installed capacity of 1.2 million kilowatts [1] Construction Progress - The underground engineering has surpassed 11 kilometers in total length, indicating that the project is more than halfway completed [1] - The construction of the power station is ongoing during the Spring Festival, with over 300 workers actively engaged in the project [2] - The construction of the 7-layer power station has reached the completion of the third layer, with an excavation volume exceeding 130,000 cubic meters [1] Environmental Impact - Once completed, the power station is expected to consume 2.16 billion kilowatt-hours of clean energy annually, which will reduce carbon dioxide emissions by approximately 2.2 million tons [2]