Core Insights - The Yebatan Hydropower Station, with a total installed capacity of 2.24 million kilowatts, is the largest hydropower station in the upper reaches of the Jinsha River in the Sichuan-Tibet section [2] - The first batch of units was officially put into operation on December 27, marking a significant milestone in China's "14th Five-Year Plan" major projects [2] - The project is expected to generate an average annual power output of over 10.2 billion kilowatt-hours, contributing to the clean energy supply in Central China [2][4] Project Overview - The construction of the hydropower station took over 20 years, starting from site selection in 2004, with approval for construction in 2016 and the first batch of units being operational in 2023 [3] - The project faced challenges such as complex geological structures and high ground stress, with a maximum of 37.6 MPa, and experienced two natural disasters during construction [3] - Technological breakthroughs were achieved, including the construction of the highest double-arch dam in high-altitude areas and the first full-dam flood discharge layout in a super-high arch dam with a discharge capacity exceeding 10,000 cubic meters per second [3][4] Environmental Impact - Once fully operational, the station is projected to save approximately 3.1 million tons of standard coal annually and reduce carbon dioxide emissions by over 8.3 million tons [4] - The clean energy generated will be transmitted to Central China through the ±800 kV ultra-high voltage direct current transmission project, significantly enhancing regional power supply security [4]

Core Viewpoint - The first batch of units at the Yebatang Hydropower Station, the highest hyperbolic arch dam power station under construction in China, has officially commenced power generation, marking a significant milestone in the country's energy infrastructure development [1] Group 1: Project Overview - The Yebatang Hydropower Station is located on the mainstream of the Jinsha River, at the border of Baiyu County in Sichuan and Gongjue County in Tibet, and is a major project under the national "14th Five-Year Plan" [1] - It is the largest power station in terms of installed capacity on the upper reaches of the Jinsha River, with a total installed capacity of 2.24 million kilowatts [1] - The dam reaches a height of 217 meters and features characteristics such as high cold, high altitude, ultra-high arch dam, high ground stress, deep burial, and large-span underground powerhouse, collectively referred to as "five highs and one large" [1] Group 2: Operational Details - The first units to be put into operation are the 4th and 3rd units, achieving a successful "double launch" within a month [1] - Once fully operational, the project is expected to generate an average annual power output exceeding 10.2 billion kilowatt-hours, which will save approximately 3.1 million tons of standard coal each year and reduce carbon dioxide emissions by over 8.3 million tons [1]

Core Insights - The Yebatang Hydropower Station, the largest installed capacity project in the upper reaches of the Jinsha River, has officially commenced power generation, marking a significant breakthrough in high-altitude dam construction and clean energy development in China [1][3][6] Group 1: Project Overview - The Yebatang Hydropower Station has a total installed capacity of 2.24 million kilowatts and a reservoir capacity of 1.08 billion cubic meters, with an average annual power generation design of 10.2 billion kilowatt-hours [1] - Once fully operational, the project is expected to save over 3 million tons of standard coal annually and reduce carbon dioxide emissions by more than 7 million tons [1] Group 2: Technical Achievements - The project has achieved several industry breakthroughs, including the highest dam height of 217 meters for a double-arch dam under construction in China and the first winter continuous pouring in a cold region [3][5] - It features a maximum discharge capacity of over 10,000 cubic meters per second and is the first to adopt a full dam body flood discharge layout [5] - The underground powerhouse is buried to a depth of 480 meters, and the tailrace tunnel is 3,172 meters long, both records for similar projects in China [5] Group 3: Innovation and Digitalization - The project has implemented smart construction practices, creating the "Yedian Cloud" digital platform that utilizes IoT, BIM, and AI technologies for intelligent temperature control and digital management throughout the construction process [5] Group 4: Energy Transmission - The electricity generated by the Yebatang Hydropower Station will be transmitted to Central China through the "Jinshang-Hubei" ±800 kV UHVDC project, significantly enhancing regional power supply capabilities and contributing to high-quality economic and social development [6]

Core Viewpoint - The successful commissioning of the first batch of units at the Yebatang Hydropower Station marks a significant breakthrough in the construction of high-altitude arch dams and clean energy development in China [1][7]. Group 1: Project Overview - The Yebatang Hydropower Station, located on the upper reaches of the Jinsha River in the Tibet region, is the seventh hydropower station in a planned series of 13, with a total installed capacity of 2.24 million kilowatts and a reservoir capacity of 1.08 billion cubic meters [3]. - The design annual power generation capacity is 10.2 billion kilowatt-hours, which will save over 3 million tons of standard coal and reduce carbon dioxide emissions by more than 7 million tons annually once fully operational [3]. Group 2: Construction Challenges and Innovations - The construction of the Yebatang Hydropower Station faced multiple challenges, including complex geological structures, high geostress (up to 37.6 MPa), and natural disasters during the construction period [5]. - The project team overcame key technical challenges related to foundation construction, temperature control, and continuous winter construction in high-altitude conditions, achieving several industry breakthroughs [6]. Group 3: Technological Advancements - The Yebatang Hydropower Station features the highest arch dam in construction in China at 217 meters and is the first to achieve continuous pouring in cold regions [6]. - It includes the largest underground powerhouse depth of 480 meters and the longest tailrace tunnel of 3,172 meters among similar projects in China [6]. - The project has implemented a digital platform called "Yedian Cloud," utilizing IoT, BIM, and AI technologies for smart temperature control and digital management throughout the construction process [6]. Group 4: Economic and Environmental Impact - The electricity generated will be transmitted through the "Jinshang-Hubei" ±800 kV UHVDC project to central China, enhancing regional power supply security and contributing to high-quality economic development [7]. - The completion of the Yebatang Hydropower Station is a key measure in promoting energy green transition and achieving carbon neutrality goals, contributing significantly to national energy security [7].

Core Insights - The Yebatan Hydropower Station is a significant project under China's 14th Five-Year Plan and is the highest concrete double-arch dam under construction in the country, contributing to the clean energy base in the upper reaches of the Jinsha River [1][2] - The 500 kV transmission project from Yebatan Hydropower Station has been put into operation, successfully connecting the station to the Sichuan power grid and enhancing the transmission capacity of clean energy from the Jinsha River [1] Group 1 - The Yebatan Hydropower Station has a total installed capacity of 2.24 million kilowatts [1] - The 500 kV transmission project is part of the Jinsha-Hubei ±800 kV UHVDC transmission project, facilitating the integration of clean electricity into the national grid [1] - The project is located at the border of Baiyu County in Sichuan Province and Gongjue County in Tibet, along the main stream of the Jinsha River [1] Group 2 - The construction of the transmission line faces significant challenges due to high altitude, with an average elevation exceeding 3,000 meters and a maximum of 3,600 meters [2] - Innovative solutions, such as a double-cable heavy-duty cableway, were implemented to transport over 3,100 tons of materials, addressing the logistical difficulties posed by steep terrain [2] - The project utilizes digital tools for dynamic management of safety, quality, and progress, enhancing operational efficiency [2]

Core Viewpoint - The construction of the Huadian Jinshang Yebatan Hydropower Station, the highest hyperbolic arch dam project in China, has achieved a significant milestone with the first batch of dam segments reaching the designed elevation of 2894 meters, with full completion expected by the end of the year [1] Group 1: Project Overview - The main structures of the project include a concrete hyperbolic arch dam, flood discharge and energy dissipation facilities, and a water diversion power generation system [1] - The dam has a maximum height of 217 meters and consists of 27 segments, with a total concrete pouring design volume of approximately 2.63 million cubic meters [1] Group 2: Construction Achievements - The construction team has standardized construction processes and optimized lifting paths using cable machine axes and a 3D model of the dam, achieving a record daily pouring of 6493.5 cubic meters and a monthly pouring of 130,000 cubic meters [1] - As of now, a total of 881 batches and 2.54 million cubic meters of concrete have been poured, completing 96.6% of the total pouring volume [1] Group 3: Strategic Importance - The Yebatan Hydropower Station, located at the border of Baiyu County in Ganzi Prefecture and Gongjue County in Tibet, has a total reservoir capacity of 1.08 billion cubic meters and a total installed capacity of 2240 megawatts, making it the largest hydropower station in the upper reaches of the Jinsha River [1] - Once fully operational, the station is expected to generate an annual electricity output of 10.205 billion kilowatt-hours, saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons, which is significant for promoting regional economic development and assisting the country in achieving its "dual carbon" goals [1]

Core Insights - The construction of the Yebatang Hydropower Station, the highest hyperbolic arch dam in China, has reached a significant milestone with the first batch of dam segments poured to the design elevation of 2894 meters, progressing towards the goal of commissioning the first units by the end of 2025 [1][5] Group 1: Project Overview - The Yebatang Hydropower Station has a total installed capacity of 2.24 million kilowatts, with a maximum dam height of 217 meters and a top arch length of 582 meters, consisting of 27 dam segments [3][5] - The total volume of concrete required for the dam is approximately 2.63 million cubic meters, utilizing four 30-ton cable cranes for the pouring process [3][5] Group 2: Construction Achievements - Since the initiation of the first concrete pouring in August 2022, the project has implemented a management model that includes leadership oversight and specialized responsibilities, leading to significant improvements in construction efficiency [3][5] - The project has achieved a record daily concrete pouring of 6493.5 cubic meters and a monthly total of 130,000 cubic meters, resulting in a 6.4-month advancement in the construction schedule [3][5] Group 3: Technical Innovations - The project has addressed the challenges of high-altitude and cold weather construction by developing key technologies such as temperature-controlled concrete pouring and winter insulation methods, enabling year-round continuous pouring without temperature cracks [5] - The Yebatang Hydropower Station is the first in China to achieve seamless dam construction in high-altitude cold regions, laying a solid foundation for future projects [5] Group 4: Environmental Impact - Upon full completion, the hydropower station is expected to generate an average annual output of 10.205 billion kilowatt-hours, saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons each year [5]

Core Points - The successful installation of the rotor for the first unit (Unit 4) of the Yebatang Hydropower Station marks the full entry into the assembly phase of the project [1][2] - The Yebatang Hydropower Station, located at an average altitude of 3000 meters, is a significant project under China's 14th Five-Year Plan, featuring a dam height of 217 meters and a total installed capacity of 2.24 million kilowatts [2] - The rotor has a diameter of 12.6 meters, a height of 3.2 meters, and a total lifting weight of 1085 tons, making it the heaviest core component in the installation process [2] - The project aims to achieve the first batch of units to be operational by the end of this year, with an average annual power generation of 10.205 billion kilowatt-hours, equivalent to saving 3.99 million tons of standard coal and reducing carbon dioxide emissions by 7.37 million tons [4] - The clean electricity generated will be transmitted to central China through the Jinshang to Hubei ±800 kV DC transmission project, contributing to the country's green and low-carbon energy transition [4]

Core Insights - The Yebatan Hydropower Station has set a world record by successfully extracting a 38.10-meter concrete core sample, marking a significant achievement in dam construction technology in high-altitude regions [1][2] Group 1: Project Overview - The Yebatan Hydropower Station is located at an elevation of nearly 3000 meters on the upper reaches of the Jinsha River, with a total installed capacity of 2.24 million kilowatts and a maximum dam height of 217 meters [2] - The total volume of concrete to be poured for the dam is 2.51 million cubic meters, making it a major project under China's 14th Five-Year Plan and a key facility for the "West-East Power Transmission" initiative [2] - The first batch of generating units is expected to commence power generation by the end of this year, with an average annual power generation of 10.205 billion kilowatt-hours upon full completion [2] Group 2: Technological Innovations - The project team has developed various technologies to address the extreme temperature conditions at the site, including intelligent pouring, temperature control, and grouting management platforms [2] - Techniques such as "full dam middle hot cement concrete construction temperature control technology" and "winter pouring insulation comprehensive heat storage method" have been implemented to ensure continuous concrete pouring throughout the year [2] - The successful extraction of the core sample, which spans 12 layers and 80 casting layers, demonstrates the excellent quality of the concrete and the advanced construction techniques employed [1][2]

Core Viewpoint - The Yebatan Hydropower Station, located in the upper reaches of the Jinsha River, has successfully extracted a concrete core sample measuring 38.10 meters, setting a record for similar dam types in China [1][2]. Group 1: Project Overview - The Yebatan Hydropower Station has a total installed capacity of 2.24 million kilowatts and is being developed by China Huadian Corporation [2]. - The dam has a maximum height of 217 meters, making it the highest hyperbolic arch dam under construction in China [2]. - The project is part of the national "14th Five-Year Plan" and serves as a significant project for the "West-East Power Transmission" initiative [6]. Group 2: Construction and Quality Control - The core sample extraction was part of a random sampling process during the dam's construction, spanning 13 pouring units and 12 horizontal construction seams [2]. - The extracted core sample was found to be complete, smooth, and dense, indicating excellent inter-layer bonding and uniform aggregate distribution [2][4]. - Advanced technologies such as intelligent pouring, temperature control, and quality control techniques were employed to mitigate the risk of cracking due to significant temperature fluctuations at the site [4]. Group 3: Environmental Impact and Energy Production - Once fully operational, the Yebatan Hydropower Station is expected to generate an average annual electricity output of 10.205 billion kilowatt-hours [6]. - The project is projected to save 3.99 million tons of standard coal annually and reduce carbon dioxide emissions by 7.37 million tons [6].