我国在建海拔最高双曲拱坝电站首批机组正式投产发电

Core Viewpoint - The commissioning of the first batch of units at the Yebatang Hydropower Station marks a significant step in China's efforts to build a new energy system and accelerate the construction of an energy powerhouse [1][2] Group 1: Project Overview - The Yebatang Hydropower Station is located on the Jinsha River, at the border of Baiyu County in Sichuan and Gongjue County in Tibet, and is a major project under China's 14th Five-Year Plan [1] - It is the largest power station in the upper reaches of the Jinsha River with a total installed capacity of 2.24 million kilowatts and a dam height of 217 meters, characterized by "five highs and one large" features [1] Group 2: Technological Innovations - During construction, the team conducted research on concrete pouring technology for high-altitude cold regions and established the "Yedian Cloud" digital management platform, creating a smart control system covering the entire construction process [1] - The project achieved uninterrupted concrete pouring throughout the year in high-altitude cold regions, providing valuable experience for seamless dam construction [1] Group 3: Environmental Impact - The first batch of units, specifically units 3 and 4, is expected to generate an average annual electricity output of over 10.2 billion kilowatt-hours, saving approximately 3.1 million tons of standard coal and reducing carbon dioxide emissions by over 8.3 million tons annually [2] - The clean electricity generated will be transmitted through the world's first large-capacity water-solar complementary direct current transmission line, further optimizing China's energy structure and promoting green and low-carbon energy transition [2]