Core Points - The construction mobilization meeting for the ±800 kV UHVDC project from Southeast Tibet to the Guangdong-Hong Kong-Macao Greater Bay Area has been held, marking the start of the world's largest flexible DC transmission project in terms of transmission capacity, technology level, and investment scale [1][4] - The project is characterized by its "super high, super long, and super large" features, being the first UHV project to cross three geographical plateaus in China [4][5] Group 1: Project Overview - The project has a rated capacity of 10 million kilowatts, making it the strongest in the world in terms of transmission capacity [4] - Approximately 90% of the project route is mountainous, with 30% in high mountain ranges, indicating the challenging construction environment [4][5] - The total investment for the project is around 53.2 billion yuan, with an additional investment of over 150 billion yuan for supporting renewable energy bases [4][5] Group 2: Environmental Impact - Once completed, the project is expected to deliver over 43 billion kilowatt-hours of clean electricity annually to the Guangdong-Hong Kong-Macao Greater Bay Area, equivalent to half of the annual output of the Three Gorges Dam [4][5] - The project will significantly reduce carbon dioxide emissions by approximately 33 million tons and replace about 12 million tons of standard coal consumption [4] Group 3: Economic Implications - The project is anticipated to create over 100,000 direct jobs during peak construction, contributing positively to the economic and social development of Tibet [4][5] - The integration of hydropower, wind power, and solar power in the supporting energy bases is expected to stimulate growth in related upstream and downstream industries [4][5]

Core Viewpoint - The construction of the Tibet-Guangdong DC transmission project marks the initiation of the world's most advanced and largest clean energy direct current transmission project, with a total investment of approximately 53.2 billion yuan and an additional investment of over 150 billion yuan for supporting renewable energy bases [1] Group 1: Project Overview - The Tibet-Guangdong DC project is the first ultra-high voltage direct current transmission project that crosses China's three-tier geographical ladder, potentially serving as a benchmark for the western renewable energy industry [1] - The project will connect the largest energy consumption area, the Guangdong-Hong Kong-Macao Greater Bay Area, with Tibet, facilitating the transmission of over 43 billion kilowatt-hours of green electricity annually, which is equivalent to reducing coal consumption by approximately 12 million tons and cutting carbon dioxide emissions by about 33 million tons [7][1] Group 2: Renewable Energy Potential in Tibet - Tibet is recognized as China's largest province for green electricity potential, with a theoretical hydropower resource capacity of 20,136 MW, accounting for 29% of the national total, and a technical exploitable capacity of 11,000 MW, ranking second in the country [3] - The region has significant solar energy potential, with an average annual sunlight duration exceeding 1,500 hours, and certain areas around Lhasa reaching up to 3,400 hours [3] Group 3: Challenges and Solutions - The local energy consumption capacity in Tibet is low due to a small population of less than 4 million and limited industrial development, which hinders the utilization of its abundant energy resources [4] - The project will address technical and engineering challenges posed by the complex geographical conditions of China's three-tier terrain, including high altitudes and seismic zones [5][8] Group 4: Long-term Implications for AI Industry - The successful operation of the Tibet-Guangdong DC project is expected to significantly impact the AI industry in China, which is heavily reliant on stable and sufficient energy supply for data centers and supercomputing facilities [10][18] - The project will help alleviate the mismatch between energy supply and demand in eastern regions, where 70% of the data industry is concentrated, while western regions like Tibet have abundant renewable energy resources [16][18] Group 5: Future Development Strategies - The project will enable the development of a comprehensive clean energy strategy in Tibet, including the construction of large hydropower stations, solar power plants, and wind farms, while also extending the renewable energy industry chain [19][20][22] - Infrastructure improvements, such as transportation and communication networks, will be essential to support the energy development and attract related industries to the region [23][24]

Core Insights - The launch of the "Tibet-Guangdong DC Project" marks a significant step in China's energy landscape, facilitating the transmission of clean energy from Tibet to the Guangdong-Hong Kong-Macao Greater Bay Area [1][2] - This project is expected to alleviate power supply pressures in Guangdong, support the development of a new power system, and enhance the resilience of the power grid [1][3] Group 1: Project Overview - The Tibet-Guangdong DC Project is a ±800 kV ultra-high voltage direct current transmission project, spanning approximately 2,681 kilometers with a rated transmission capacity of 10 million kilowatts [1] - The total investment for the project is around 53.2 billion yuan, with an additional investment of over 150 billion yuan for supporting renewable energy bases [1] - Upon full operation by 2029, the project is expected to deliver over 43 billion kilowatt-hours of clean electricity annually to the Greater Bay Area [1][3] Group 2: Strategic Importance - The project plays a crucial role in addressing peak electricity demand in Guangdong, which has the highest electricity consumption in China, with a projected total electricity consumption of 912.1 billion kilowatt-hours in 2024 [3] - It is anticipated to provide an additional 5 million kilowatts of power capacity to major cities like Guangzhou and Shenzhen during peak periods, significantly reducing the risk of power outages [3][8] - The strategic value of the project extends beyond mere electricity supply, impacting industrial chains, employment, and carbon reduction efforts [1][2] Group 3: Technological Advancements - The project utilizes advanced flexible direct current technology, which allows for real-time adjustments to voltage and frequency, enhancing the stability of large-scale renewable energy transmission [4][5] - The transmission speed is remarkably fast, with a transmission time of just 0.009 seconds and a capacity of 2,800 kilowatt-hours per second, equivalent to the annual electricity consumption of an average household [5] Group 4: Economic and Employment Impact - The project is expected to create over 100,000 jobs during peak construction, contributing to economic optimization in Tibet and along the transmission route [5] - The investment in the project and its associated renewable energy bases will stimulate demand in the equipment manufacturing and high-end power equipment markets in Guangdong [5][6] Group 5: Energy Transition and Future Outlook - Guangdong is actively pursuing a low-carbon transition to support high-quality economic development, with the Tibet-Guangdong DC Project being a key component of this strategy [7] - The region is also enhancing its energy system through various clean energy and grid projects, aiming for a high integration of renewable energy sources [6][7] - The successful implementation of the project will help Guangdong balance the demands of digital economy growth and green development, positioning it as a competitive player in the clean energy sector [8]

藏粤直流工程于2025年6月获得国家发展改革委核准。工程输电线路全长约2681公里，自西向东跨越西 藏、云南、广西、广东四省区，额定输电容量1000万千瓦。该工程2029年全面投运后，藏东南清洁能源 基地每年可向粤港澳大湾区负荷中心输送超430亿千瓦时电能，约为三峡电站年发电量的一半，且100% 为清洁能源，可替代标煤消耗约1200万吨，减少二氧化碳排放约3300万吨。 西藏作为我国的战略性能源基地，水能、风能、太阳能等清洁能源丰富，而广东作为我国经济大省，用 电量常年稳居全国第一，用电需求旺盛，需要更大规模引入外省电力保障能源安全、支撑经济高质量发 展。 藏粤直流工程依托西藏玉曲河、察隅曲、克劳龙河等流域"水风光一体化"清洁能源基地，在送端西藏昌 都、林芝及受端广东广州、深圳共建设四座±800千伏特高压换流站。送端两个换流站共汇集超过2000 万千瓦清洁能源，受端两个换流站分散落点两大负荷中心，为"再造一个新广东"提供坚强的绿色低碳能 源保障，进一步推动全国能源资源优化布局跨入"全国一盘棋"新阶段。 工程总投资约532亿元，配套"水风光一体化"电源基地投资超过1500亿元，可有力带动一系列上下游装 备、施工 ...

Core Viewpoint - The construction of the Zang-Guangdong DC project marks a historic achievement in power transmission, being the world's largest flexible DC transmission project, aimed at transporting clean energy from Tibet to Guangdong [1][4][8]. Project Overview - The Zang-Guangdong DC project spans over 2,600 kilometers, crossing various geographical terrains including the Qinghai-Tibet Plateau and the Yunnan-Guangxi region, with a planned capacity to transmit 43 billion kilowatt-hours of clean energy annually [1][8]. - The project is expected to enhance the renewable energy consumption responsibility weight in Guangdong by 3.8 percentage points and increase power supply capacity by 5 million kilowatts for major cities like Guangzhou and Shenzhen [8]. Technical Challenges and Innovations - The project faces significant technical challenges due to its vast scale and complex environmental conditions, necessitating extensive research and development in high-altitude power transmission technologies [4][11]. - A new energy self-balancing flexible DC converter topology has been developed, which allows for efficient management of surplus energy during grid faults, ensuring system safety and stability [12][13]. Research and Development Efforts - The project has involved rigorous field investigations and data collection, with over 15,000 original data points gathered to support construction planning and environmental assessments [2][3]. - Research teams have conducted numerous high-altitude experiments to understand the electrical behavior in extreme conditions, leading to breakthroughs in high-altitude discharge testing and neutron radiation effects on power devices [5][6]. Strategic Importance - The Zang-Guangdong DC project is pivotal for optimizing national energy resource allocation and enhancing regional economic development, facilitating the transfer of clean energy from the resource-rich west to the economically vibrant east [8][9]. - The project also represents a significant collaboration between major power grid companies in China, aiming for mutual benefits and resource optimization [9][10].

Core Points - The construction of the Tibet-Guangdong ultra-high voltage direct current transmission project (Tibet-Guangdong DC Project) has commenced, marking a significant step in China's energy transmission strategy during the 14th Five-Year Plan [1][2] - This project is the first ultra-high voltage transmission line to cross the Tibetan Plateau, Yunnan-Guizhou Plateau, and South China hills, highlighting its geographical significance [1][2] Investment and Capacity - The total investment for the Tibet-Guangdong DC Project is approximately 53.2 billion yuan, with full operation expected by 2029, capable of delivering over 43 billion kilowatt-hours of electricity annually to the Guangdong-Hong Kong-Macao Greater Bay Area, all sourced from clean energy [1][2] - The project has a rated transmission capacity of 10 million kilowatts, surpassing the Kunming-Lijiang DC Project, and is expected to replace approximately 12 million tons of standard coal consumption, reducing carbon dioxide emissions by about 33 million tons annually [2] Technical Challenges - The project faces significant technical challenges, including construction at high altitudes (with nearly 90% of the line in mountainous areas and 30% in high-altitude regions), and the need for new technologies and equipment to operate at altitudes of 4,300 meters [1][2] - The project aims to address world-class technical challenges related to safely integrating renewable energy from high-altitude regions into the grid and ensuring long-distance transmission and consumption [2]

西藏作为国家"西电东送"的重要接续基地，水能、太阳能、风能资源丰富，能源优势得天独厚，开发潜力巨大。自2015年首次开 展"藏电外送"以来，西藏清洁能源外送电量累计达157.9亿千瓦时，为西藏创造经济效益超42亿元。 据广州日报消息，9月16日，世界规模最大的清洁能源基地直流送出工程、我国"十四五"规划建设的跨省区输电重点工程、能源输 送大动脉藏东南至粤港澳大湾区±800千伏特高压直流输电工程建设动员大会召开，标志着目前世界上输电能力最强、技术水平最先 进、投资规模最大的柔性直流输电工程启动建设。 藏粤直流工程依托西藏玉曲河、察隅曲、克劳龙河等流域"水风光一体化"清洁能源基地，在送端西藏昌都、林芝及受端广东广州、 深圳共建设四座±800千伏特高压换流站。送端两个换流站共汇集超过2000万千瓦清洁能源，受端两个换流站分散落点两大负荷中 心，为"再造一个新广东"提供坚强的绿色低碳能源保障，进一步推动全国能源资源优化布局跨入"全国一盘棋"新阶段。 解读：今年7月份，我国全社会用电量达1.02万亿千瓦时，同比增长8.6%，单月用电量首次突破1万亿千瓦时大关，创下全球纪录。 作为经济大省，广东1—7月全省全社会用电量5 ...

Core Insights - The construction mobilization meeting for the ±800 kV UHVDC project, known as the "Tibet-Guangdong DC Project," has been held, marking the start of the world's largest flexible DC transmission project in terms of transmission capacity, technology level, and investment scale [1][2] Group 1: Project Overview - The Tibet-Guangdong DC Project is approximately 2,681 kilometers long, spanning Tibet, Yunnan, Guangxi, and Guangdong provinces, with a starting point in Changdu, Tibet, and an endpoint in Shenzhen, Guangdong [1] - The project has an approved transmission capacity of 10 million kilowatts and is expected to be fully operational by 2029 [1] Group 2: Energy Impact - Upon full operation, the project will deliver over 43 billion kilowatt-hours of clean energy annually to the Guangdong-Hong Kong-Macao Greater Bay Area, which is about half of the annual output of the Three Gorges Dam [1] - The clean energy supplied will replace approximately 12 million tons of standard coal consumption and reduce carbon dioxide emissions by about 33 million tons [1] Group 3: Economic and Industrial Implications - The project is expected to provide a stable supply of green electricity, significantly benefiting high-energy-consuming industries in Shenzhen, such as automotive manufacturing, electronics, and data centers, thereby promoting the clean energy transition in the Greater Bay Area [2]

Core Points - The construction mobilization meeting for the ±800 kV UHVDC project from Tibet to the Guangdong-Hong Kong-Macao Greater Bay Area was held on September 16, marking the start of the world's largest flexible DC transmission project [1][4] - The project will connect four converter stations in Tibet and Guangdong, aggregating over 20 million kW of clean energy, providing a strong green low-carbon energy guarantee for the region [1][4] - The total investment for the project is approximately 53.2 billion yuan, with an additional investment of over 150 billion yuan for supporting clean energy infrastructure [4] Energy Demand and Supply - In July, Guangdong's electricity consumption reached 531.52 billion kWh, a year-on-year increase of 4.3%, with the highest load reaching 165 million kW, accounting for 11% of the national load [2][4] - The total electricity consumption in China for the year reached 1.02 trillion kWh in July, marking an 8.6% year-on-year increase [1][2] Economic Impact - The project is expected to create over 100,000 direct jobs during peak construction and significantly boost the upstream and downstream equipment industries [4] - Since 2015, the cumulative electricity export from Tibet has reached 15.79 billion kWh, generating over 4.2 billion yuan in economic benefits for the region [2] Strategic Importance - The UHVDC project is seen as a key move in optimizing national energy resource allocation, breaking regional barriers, and achieving precise alignment between resources and markets [4] - The project will enable the delivery of over 43 billion kWh of clean energy annually to the Greater Bay Area, equivalent to half the annual output of the Three Gorges Dam [4]

Core Points - The construction of the Zang-Yue DC project, the first ultra-high voltage direct current transmission project crossing the Qinghai-Tibet Plateau, Yunnan-Guizhou Plateau, and South China Hills, has commenced, supporting China's green economic development [2][4] - The project has a total investment of approximately 53.2 billion yuan and will transmit clean energy from Tibet to the Guangdong-Hong Kong-Macao Greater Bay Area [2][3] Group 1 - The Zang-Yue DC project is characterized by three "super" features: ultra-high altitude, ultra-long distance, and ultra-large capacity [2][3] - The project will face significant challenges, including high-altitude technology development and construction in complex natural environments [2][4] - The project will have a rated transmission capacity of 10 million kilowatts, delivering over 43 billion kilowatt-hours of electricity annually to the Greater Bay Area after full operation in 2029 [3] Group 2 - The project aims to solve global challenges related to large-scale clean energy transmission and the application of ultra-high voltage technology in extreme conditions [4] - The clean energy transmitted will replace approximately 12 million tons of standard coal consumption and reduce carbon dioxide emissions by about 33 million tons [4]