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雅下水电站专家交流
2025-07-22 14:36
Summary of the Mêdog Hydropower Station Conference Industry Overview - The Mêdog Hydropower Station project is a significant infrastructure initiative in the hydropower sector, with a total investment of approximately 2 trillion yuan, which is six times that of the Three Gorges Project, but with only three times its power generation capacity [1][5]. Key Points and Arguments Project Investment and Capacity - The core power generation capacity of the Mêdog Hydropower Station is designed to be 49 million kilowatts, utilizing a 2,200-meter drop at the bend of the Yarlung Tsangpo River [3][5]. - The total investment is projected to be around 1.2 trillion yuan, with approximately 200 billion yuan allocated to address high-altitude equipment premiums and 200 billion yuan for international dispute conflicts [3][13]. - The investment recovery period is estimated to be 17 years, with an operational lifespan of 60 to 80 years [5]. Construction Timeline and Phases - The project will be executed in phases, with preliminary surveys and foundational construction from 2025 to 2027, followed by major construction from 2028 to 2035 [1][6]. - Key milestones include the start of tunnel construction in 2026, with 40% of annual funding directed towards this, and the first unit's pre-installation tendering expected between late 2028 and early 2029 [1][9]. Equipment and Technology - The project will require various types of equipment, including small shield machines (7-8 meters) for transportation tunnels and larger shield machines (around 15 meters) for the main construction phase [10][14]. - The demand for shield machines is significant, with an estimated procurement of 21-24 units, primarily from China Railway Construction Corporation [10][24]. Environmental and Ecological Considerations - The project includes ecological compensation measures and fish protection initiatives, with a focus on sustainable development [6][9]. - The local power consumption is expected to absorb about 20%-25% of the generated electricity, with the remainder being transmitted to major economic zones such as the Guangdong-Hong Kong-Macao Greater Bay Area and the Yangtze River Delta [41]. Challenges and Solutions - High-altitude construction presents unique challenges, including the need for equipment that can withstand extreme conditions, which has delayed the project’s initiation until recent technological advancements were made [2][30]. - The project has a comprehensive procurement strategy to ensure that over 92% of the equipment is sourced domestically, minimizing political and economic risks associated with foreign procurement [31]. Additional Important Information - The project will also involve significant geological exploration, with major contracts awarded to China National Petroleum Corporation and Sinopec for core drilling, totaling a budget of approximately 4.5 billion yuan [17]. - The construction will include various auxiliary facilities, such as a 600 MW regulating station and small photovoltaic and pumped storage facilities, bringing the total capacity to 60 million kilowatts [4][3]. - The project is expected to create a substantial number of jobs and stimulate local economies during its construction and operational phases [5][41]. This summary encapsulates the critical aspects of the Mêdog Hydropower Station project, highlighting its scale, investment, construction phases, technological requirements, and environmental considerations.