Core Viewpoint - The commencement of the Yarlung Tsangpo River downstream hydropower project, with a total investment of approximately 1.2 trillion yuan, is expected to significantly enhance China's energy security and stimulate social and economic development [1][5][12]. Investment and Economic Impact - The Yarlung Tsangpo hydropower project involves the construction of five cascade power stations and is projected to create new job opportunities while boosting local industries such as construction, logistics, and commerce [5][9]. - The project is anticipated to drive investment in related sectors, with estimates suggesting that the turbine and generator business could be valued between 53.5 billion yuan and 95.4 billion yuan [10][11]. Market Reaction - Following the announcement of the project's initiation, both A-share and H-share markets experienced significant increases, with numerous stocks related to hydropower construction reaching their daily limit [9][10]. - Major companies such as China Power Construction and China Energy Engineering saw their stock prices surge, reflecting investor optimism regarding the project's potential [9][11]. Strategic Importance - The project is part of China's broader strategy to transition to green and low-carbon energy, utilizing the abundant hydropower resources in Tibet [5][8]. - The Yarlung Tsangpo project is expected to enhance China's hydropower capacity and contribute to the country's clean energy transformation [8][12]. Historical Context - The project has been in the planning stages for many years, with significant policy backing from the government, including its inclusion in the 14th Five-Year Plan [6][12]. - The hydropower resources in Tibet are substantial, with the region holding approximately 30% of China's total theoretical hydropower capacity [7].