我国在建海拔最高双曲拱坝电站 叶巴滩水电站首批机组投产发电

Core Viewpoint - The Yebatan Hydropower Station, the highest arch dam power station under construction in China, has officially commenced power generation with the first batch of units, marking a significant milestone in the country's "14th Five-Year Plan" major projects [1] Group 1: Project Overview - The Yebatan Hydropower Station is located on the Jinsha River, at the border of Baiyu County in Sichuan and Gongjue County in Tibet, and has the largest installed capacity of 2.24 million kilowatts in the upper reaches of the Jinsha River [1] - The dam has a maximum height of 217 meters and features characteristics such as high altitude, high cold, ultra-high arch dam, high ground stress, deep burial, and large-span underground powerhouses [1] Group 2: Technological Innovations - The project team has conducted research on concrete construction technology for ultra-high arch dams in high-altitude cold regions, achieving uninterrupted concrete pouring year-round for the first time in such conditions in China [1] Group 3: Environmental Impact - The first units to commence operation are Units 3 and 4, with the project expected to generate an average annual power output exceeding 10.2 billion kilowatt-hours, saving approximately 3.1 million tons of standard coal annually and reducing carbon dioxide emissions by over 8.3 million tons [1] - The clean electricity generated will be transmitted to Central China through the Jinshang-Hubei ±800 kV ultra-high voltage direct current transmission project [1]