雅砻江两河口抽蓄电站迎来工程关键节点双突破

Core Insights - The Yalong River Two Rivers Mouth Pumped Storage Power Station in Sichuan Province has achieved two critical engineering milestones: the successful completion of underground excavation and the first concrete pouring of the dam at the Yagen Level I Hydropower Station [1][3] Group 1: Project Milestones - The underground powerhouse, which is the core hub of the hydropower station, has been excavated to a depth of approximately 500 meters, with a total length of nearly 200 meters and a maximum depth of 650 meters [3] - The completion of the underground powerhouse marks the end of the civil engineering excavation phase, transitioning the project into the electromechanical equipment installation phase [3] Group 2: Energy Production and Efficiency - The Two Rivers Mouth Pumped Storage Power Station, utilizing the largest reservoir in Sichuan Province, is expected to provide 1.4 billion kilowatt-hours of clean electricity annually [1] - The Yagen Level I Hydropower Station, with a total installed capacity of 300,000 kilowatts, will work in conjunction with the upper reservoir to optimize energy conversion and enhance the efficiency of energy utilization in the Yalong River basin [3] Group 3: Strategic Importance - The Two Rivers Mouth "Water-Wind-Solar-Hydrogen-Calculation" clean energy demonstration zone is a key component of the Yalong River basin's integrated water and wind-solar energy base, playing a significant role in optimizing the power structure of the grid and ensuring national energy security [5]