原创 戎评说策 戎评 这两天本来想休息的，结果写习惯了，不写就觉得浑身不自在，今天我们聊点有意思的。 不知道从什么时候起，每当春节来临，中国就化作了一片流光溢彩的海洋。 东方明珠、西安不夜城、郑州CBD和全国各地的大街小巷，上千万盏彩灯彻夜通明。写字楼上的灯光秀、街头的花灯、商圈夜景组成了一幅幅震撼画 卷。不少外国博主在镜头前惊叹："让整座城市从黄昏亮到黎明，如此大规模不间断的电力供应，放眼全球都极为罕见！" 是的，有人已经意识到了。中国以一己之力，不但保障了全国14亿人的生活用电，还供应着上千万家企业的工业生产，19.4亿亩耕地的农业用电。即便 在这种压力下，我们的电还用不完，2025年还出口了230亿度，赚了126亿元人民币。这种强大的电力保障和发电供电能力，别说美国了，整个西方加 起来都自叹不如、望洋兴叹。 戎评这话不是开玩笑的，根据中国的官方数据，2025年中国的发电量突破10万亿度，占全球的三分之一左右，而美国为4.6万亿度、印度2万亿度、日本 1万亿度。也就是说，中国的发电量，比美、日、印、巴西和俄罗斯等国加起来的总和，还要多。 这么多电是从哪来的？ 年龄稍大的朋友会有印象，20多年前，我们的电根 ...

近日，±800千伏合州换流站500千伏交流系统顺利通过24小时试运行，并入安徽主网运行，标志着陕北 —安徽±800千伏特高压直流输电工程合州换流站正式启动。合州换流站成为国家电网"十五五"期间首座 投入运行的特高压换流站。 当前，合州换流站的工作重心已全面转向直流场设备的验收与调试，带着"首战告捷"的经验与"首发 站"的担当，全力保障陕北—安徽±800千伏特高压直流工程全线投运。 工程建设过程中，合州换流站实施全过程质量管控。系统梳理超过30项相关标准规范，并结合工程现场 实际，编制了涵盖6大类、332项具体工作的《生产准备重点工作任务清单》，实现全过程覆盖。创新设 备主人制开展全过程监督，累计发现并督促整改各类施工问题443条。面对全站近4万个通流接头的验收 挑战，团队采用"编号定位法"进行精准管理，确保所有回路电阻控制在要求范围内。通过建立"日反 馈、周协调、月总结"机制，累计发出工程联系单17份，跟踪整改重要设备问题19项，实现了问题的闭 环管理。 调试期间，面对由4条500千伏线路、9串GIS组合电器在内的近百台核心设备构成的复杂系统，调试团 队开启"连轴转"模式，累计执行183张操作票、5582个操 ...

Core Insights - China's total electricity consumption surpassed 10 trillion kilowatt-hours in 2025, marking a significant milestone as the first country to achieve this level, reflecting the country's industrial and technological advancements [2][4] - The growth from 1 trillion kilowatt-hours in 1996 to 10 trillion in 2025 demonstrates an unprecedented increase in electricity demand, driven by industrial upgrades and infrastructure improvements over the past 30 years [4] - China's electricity consumption in July and August 2025 exceeded 1 trillion kilowatt-hours per month, equivalent to the annual consumption of Japan or Southeast Asian countries, underscoring China's manufacturing capabilities [4] Industry and Technological Development - The substantial electricity demand is supported by a comprehensive industrial system, including mining, energy management, and advanced manufacturing technologies [6] - While overall electricity consumption in the manufacturing sector grew by only 3% in 2025, sectors like new energy equipment and high-tech manufacturing experienced significantly higher growth rates [6] - The U.S. has struggled with its energy policies, which have hindered its transition to new energy sources, contrasting with China's advancements in renewable energy and manufacturing [6][10] Energy Independence and Supply Chain - China's electricity generation is self-sufficient, relying on domestic resources such as solar and wind energy, which enhances energy security [8] - The U.S. faces increasing dependency on China for solar panels, wind turbines, and battery materials, complicating its energy strategy and increasing costs [8][10] - The development of electric vehicles in the U.S. is stagnating due to high production costs and reliance on Chinese technology and equipment [10][11] Infrastructure and Energy Management - China's high-speed rail network, exceeding 50,000 kilometers, is fully electrified, reducing reliance on fossil fuels and enhancing energy security [13] - The country has implemented a sophisticated national electricity dispatch system, allowing efficient energy distribution across regions [18][20] - New energy storage technologies have become standard, enabling better management of electricity supply and demand, and enhancing the overall efficiency of the power system [18][22] Global Implications - The achievement of 10 trillion kilowatt-hours not only reflects China's capabilities but also positions it as a significant player in global energy dynamics, influencing how other countries manage their energy needs [22][24] - The contrast between China's unified energy strategy and the fragmented approach in the U.S. highlights the challenges the latter faces in maintaining energy stability and competitiveness [20][22]

Core Viewpoint - The approval of the "Dalat-Inner Mongolia West" 1000 kV AC transmission and transformation project is a significant step in China's "14th Five-Year Plan" for electricity, enhancing the power transmission capacity from Inner Mongolia to the Beijing-Tianjin-Hebei region [1] Group 1: Project Details - The project involves the construction of a new 1000 kV substation at Dalat, with the installation of two sets of 3 million kVA main transformers [1] - A new double-circuit 1000 kV line will be built, with a total length of 2×124.6 kilometers, and the total investment for the project is 4.374 billion yuan [1] - The project aims to meet the power transmission needs of the ±800 kV UHVDC project connecting Inner Mongolia and Beijing-Tianjin-Hebei, thereby extending the North China UHV grid [1] Group 2: Economic and Environmental Impact - The construction of the project is expected to generate multiple benefits, including driving investment, creating jobs, and restoring the ecosystem [1] - It plays a crucial role in converting resource advantages in western regions into clean energy consumption and supports coordinated development in the Beijing-Tianjin-Hebei area [1] Group 3: Implementation Timeline - State Grid Inner Mongolia East Power will expedite the preliminary procedures and land acquisition under the unified organization of the State Grid Corporation, aiming for construction to start in April 2026 [1] - The project is planned to be completed and put into operation simultaneously with the ±800 kV UHVDC project [1]

Core Insights - The global AI industry is experiencing rapid growth, leading to an explosive increase in computing power demand, which is straining electricity supply and grid stability in key regions like North America and Europe [1][2] - China's new energy system construction is advancing, with significant investments in grid upgrades, energy storage, and digitalization, positioning the electricity sector as a crucial investment focus under the dual guidance of stable growth and energy transition [1] Group 1: AI Power Demand Surge - The expansion of AI computing power in North America and Europe is causing regional electricity shortages, impacting the construction progress of large data center projects [2] - This issue is not a short-term bottleneck but a long-term structural contradiction, as AI data centers exhibit exponential energy consumption while the backup capacity of European and American grids is nearing exhaustion [2] - The geographical layout of the industry is shifting towards regions with more abundant electricity resources, and companies are transitioning to integrated models of self-built green power generation and storage to ensure stable power supply [2] Group 2: China's Advantages in Power Supply - China possesses significant advantages in electricity supply stability, scale, green power allocation capabilities, and infrastructure construction efficiency [3] - The "East Data West Computing" national strategy effectively connects the computing demand in the east with renewable energy-rich areas in the west [3] - Global electricity tension is driving the restructuring of the energy infrastructure industry chain, with a shift from reliance on traditional grids to "green power direct supply + local storage" [3] Group 3: New Power System Development - The construction of a new power system in China is entering a critical phase, with the main systemic bottleneck being insufficient "carrying capacity" and "flexibility" of the power system [4] - The inherent randomness and volatility of renewable energy generation create significant challenges for grid stability, leading to structural issues such as "abandoned wind and solar" alongside "electricity shortages" [4] - Future focus areas include the development of "active distribution networks" capable of massive resource integration and intelligent control, as well as the promotion of flexible DC transmission technologies [4] Group 4: Transformative Role of Energy Storage - Energy storage has transitioned from an optional component to a necessary element of the new power system, crucial for solving renewable energy consumption and ensuring grid safety [5] - The commercial model for energy storage in China is evolving from a single supporting model to a diversified revenue system comprising market revenue, capacity compensation, auxiliary service revenue, and special subsidies [5] Group 5: International Opportunities for Chinese Energy Technology - China's energy technology and solutions are gaining broad opportunities on the international stage, particularly in addressing global energy transition and electricity tension [6] - The country can enhance cooperation with regions like Europe, Southeast Asia, and the Middle East through equipment technology exports, capacity cooperation, and integrated investment, construction, and operation [6] Group 6: Investment Opportunities in the Energy Sector - Under the dual policy guidance of "stabilizing growth" and "energy transition," the investment focus in the electricity and new energy sector is becoming clearer [6][7] - In the short to medium term, opportunities exist in the export of grid equipment, domestic ultra-high voltage projects, and the storage sector, with global grid investment entering a high prosperity cycle [7] - Long-term prospects remain strong in wind power, AI data center energy infrastructure, energy digitalization, and advanced fields like space photovoltaics [7] Group 7: Focus on Leading Companies - Investment strategies should prioritize leading companies in various sub-sectors, as they possess comprehensive advantages in technology development, brand strength, cost control, and overseas capabilities [7] - The advantages of leading companies are expected to strengthen further in the context of the industry's pursuit of high-quality development and "anti-involution" [7]

Core Insights - The global AI industry is experiencing rapid growth, leading to an explosive increase in computing power demand, which is straining electricity supply in key regions like North America and Europe [1][2] - The construction of a new power system in China, focusing on renewable energy, is advancing, with significant investments in grid upgrades, energy storage, and digitalization [1][3] Group 1: AI Power Demand Surge - The expansion of AI computing power is causing regional electricity shortages in North America and Europe, impacting the construction progress of large data center projects [1] - This issue is seen as a long-term structural contradiction, with AI data centers exhibiting exponential energy consumption while the backup capacity of European and American grids is nearing exhaustion [1][2] Group 2: Global AI Industry Chain Impact - The electricity supply challenges are prompting a geographical shift in the industry, with data center operations moving to regions with more abundant power resources, such as the Midwest of the U.S., Canada, and Southeast Asia [2] - Companies are transitioning from relying solely on public power grids to integrated models of self-built green power generation and storage to ensure stable electricity supply [2] - Technological advancements are accelerating, with a rise in the adoption of 800V high-voltage direct current power supply systems and liquid cooling technologies for high-density computing [2] Group 3: China's Advantages in Power Supply - China possesses significant advantages in electricity supply stability, scale, green energy allocation capabilities, and infrastructure construction efficiency [2] - The country has the world's largest unified power grid, ensuring ample electricity supply, and the "East Data West Computing" strategy effectively connects eastern computing demand with western renewable energy resources [2] Group 4: Energy Infrastructure Restructuring - Global electricity shortages are driving a restructuring of the energy infrastructure industry, shifting from traditional grid reliance to "green electricity direct supply + local storage" models [3] - The evolution of electricity technology is moving towards higher voltage, efficiency, and intelligence, with regionalization trends in supply chains due to local policy pushes [3] Group 5: New Power System Development - The construction of a new power system in China is entering a critical phase, with challenges in the system's capacity and flexibility due to the inherent randomness and volatility of renewable energy generation [4] - Intelligent and flexible upgrades to the grid are essential, focusing on developing active distribution networks and promoting flexible direct current transmission technologies [4] Group 6: Storage's Evolving Role - Energy storage has transitioned from an optional component to a necessity in the new power system, crucial for addressing renewable energy consumption and ensuring grid safety [4] - The commercial model for storage is evolving from a single support model to a diversified revenue system, incorporating market earnings, capacity compensation, and auxiliary service revenues [4] Group 7: International Opportunities for Chinese Energy Technology - China's energy technology and solutions are gaining significant international opportunities, particularly in addressing global energy transitions and electricity shortages [5] - The country can enhance cooperation with regions like Europe, Southeast Asia, and the Middle East through technology exports, capacity collaboration, and integrated investment, construction, and operation [5] Group 8: Investment Opportunities in High-Growth Sectors - Under the dual policy guidance of "stabilizing growth" and "energy transition," the investment focus in the power and renewable energy sector is becoming clearer [6] - In the short to medium term, opportunities exist in the export of grid equipment, domestic ultra-high voltage projects, and the storage sector, with a global increase in demand for energy storage [6] Group 9: Long-Term Growth Areas - Long-term growth areas include wind power, energy infrastructure for AI data centers, energy digitalization, and advanced technologies like space photovoltaics [6] - The demand for energy infrastructure driven by AI computing is currently seen as highly valuable for investment, with rapid updates in technologies like 800V high-voltage direct current and liquid cooling [6] Group 10: Investment Strategy Focus - The current investment strategy should prioritize leading companies in various segments, as they possess comprehensive advantages in technology development, brand strength, cost control, and international expansion capabilities [7] - Companies achieving breakthroughs in disruptive technologies are also worthy of attention and continuous tracking [7]

Core Viewpoint - The commencement of the 500 kV AC field live testing at the Shaanxi-Anhui ±800 kV UHVDC project marks a significant transition from static installation to dynamic verification, laying a solid foundation for the subsequent live testing of the ±800 kV DC section [1] Group 1 - The Shaanxi-Anhui ±800 kV UHVDC project is a major initiative under the national "14th Five-Year Plan" [1] - The initiation of the 500 kV AC field live testing signifies progress in the project, indicating readiness for further testing phases [1] - This development is crucial for the overall success and operational readiness of the UHVDC project [1]

Group 1 - The Trump administration's internal and external challenges have led to a significant weakening of the US dollar index [2] - Guinea's AGB2A-GIC aluminum alliance has received approval to resume production, with expectations to contribute approximately 40 million tons of bauxite supply by 2026 [2] - China's alumina production is projected to reach 92.45 million tons in 2026, with a net export volume of 2 million tons, indicating a loose global supply-demand situation for alumina [2] Group 2 - Global electrolytic aluminum production is expected to reach 76.58 million tons in 2026, with China's production at 45.44 million tons [3] - The demand for electrolytic aluminum in 2026 is projected to be 76.51 million tons globally, with China's demand at 47.33 million tons, suggesting a slightly loose supply-demand balance [3] - The recent cancellation of export tax rebates for photovoltaic products and seasonal demand growth in the aluminum foil sector have led to an increase in operating capacity for aluminum processing enterprises [3] Group 3 - In the short term, the weakening of the US dollar index may suppress downstream demand, keeping aluminum prices stable [4] - In the medium to long term, expectations of interest rate cuts by the Federal Reserve and slow production ramp-up of new electrolytic aluminum capacity may provide upward price potential for aluminum [4]

Core Viewpoint - The article highlights the groundbreaking of the 4 billion yuan Wujiang Transformer Co., Ltd. ultra-high voltage GIS digital intelligent factory project, which is set to become the largest single factory in the global ultra-high voltage GIS production sector, expected to generate an annual output value of 4 billion yuan [1] Group 1: Project Overview - The project will produce 1100kV ultra-high voltage GIS products, representing the highest technical level in the country, crucial for the safety and stability of long-distance, large-capacity power transmission [1] - The factory is part of Jiangsu Province's major projects and aims to provide more reliable, environmentally friendly, and energy-efficient GIS and GIL products [1] Group 2: Company Achievements - Wujiang Transformer has successfully developed 19 internationally leading products, including the world's first megawatt-level high-temperature superconducting parallel reactor [1] - The company has established a top-tier R&D team both domestically and internationally, achieving significant breakthroughs in product technology [1] Group 3: Project Execution - The project was planned and initiated in just over three months, showcasing the "Wujiang speed" in project implementation and enterprise services [1] - Wujiang is actively promoting a "three services" initiative to support enterprises, projects, and parks, ensuring comprehensive service guarantees for various businesses [1]

Core Insights - The article highlights the significant role of Chinese transformers in supporting the burgeoning AI industry in the United States, emphasizing the dependency of the U.S. on Chinese manufacturing for critical electrical components [1][4][26]. Group 1: Transformer Market Dynamics - In 2022, China's transformer exports reached a record 64.6 billion RMB, marking a nearly 36% year-on-year increase, with orders extending into 2026 due to high demand [1]. - European customers are willing to pay a 20% premium for Chinese transformers to secure production capacity, while the U.S. imported $4 billion worth of transformers and related components from China in 2024, remaining the largest buyer [1][3]. - The demand for transformers in the U.S. has surged, with a 116-119% increase in overall transformer demand since 2019, and a staggering 274% increase for power transformers [17]. Group 2: U.S. Electrical Infrastructure Challenges - Approximately 70% of the U.S. transmission lines and large transformers are over 25 years old, nearing the end of their design life, due to a lack of significant upgrades since the 1960s [10]. - The aging electrical grid has led to frequent power outages, with ten major outages occurring in the past decade, highlighting the urgent need for infrastructure renewal [14]. - The U.S. Department of Energy has initiated the "Speed to Power" plan to expedite transmission line projects, but the core issue remains the outdated transformer technology and limited domestic production capacity [16][17]. Group 3: Chinese Manufacturing Advantages - China dominates the production of oriented silicon steel, a critical material for transformers, with a production capacity that is five times that of Japan and eight times that of the U.S. [20][23]. - Chinese manufacturers have developed advanced transformer technology, producing thinner silicon steel sheets (0.18 mm), which significantly reduce energy loss and improve efficiency [21][22]. - The scale and cost advantages of Chinese manufacturing make it more feasible for the U.S. to source transformers from China, as domestic production cannot meet the growing demand [25]. Group 4: Future Implications - The dependency on Chinese transformers is expected to continue as the U.S. faces structural constraints in upgrading its electrical infrastructure, while China is rapidly advancing in power generation capabilities [29]. - The article suggests that the competition between the U.S. and China will increasingly revolve around energy supply, with projections indicating that China's power generation could reach three times that of the U.S. by 2026 [29].