面对高温"大考"，电力行业上市公司"开足马力"，积极做好保供工作。 近期，四川、重庆、新疆、陕西等地局部最高气温超过40℃。高温之下，全国电力负荷攀升，今年7月4 日、7日、16日、17日，全国最大电力负荷已经4次创历史新高。 火电是迎峰度夏的重要"压舱石"。例如，大唐国际发电股份有限公司（以下简称"大唐发电"）旗下的内 蒙古大唐国际托克托发电有限责任公司，作为目前世界在役最大火电厂，7月3日至14日连续12天单日发 电量突破1亿千瓦时，其中，7月12日发电量达1.22亿千瓦时。据悉，大唐发电全面升级了重点设备监盘 机制，优化点检周期，确保供电稳定。 中煤新集能源股份有限公司（以下简称"新集能源"）旗下的利辛电厂也快速响应电网的负荷需求。新集 能源相关负责人近日在交易所互动平台表示："目前早、晚峰时段，公司4台机组的发电负荷率达85%以 上。" 河北建投能源投资股份有限公司（以下简称"建投能源"）科学统筹燃料采购，多措并举提升火电主业经 营效益。建投能源相关负责人表示："近期河北区域持续高温，用电负荷攀升，煤炭市场价格小幅反 弹，但影响有限。公司将继续加强电量营销，优化燃料采购管理，做好迎峰度夏保供工作。" ...

Core Viewpoint - The successful development and testing of the 800 kV AC SF6 gas-insulated transmission line (GIL) by Pinggao Electric marks a significant technological breakthrough in China's ultra-high voltage transmission sector, breaking the long-standing foreign monopoly in this field [1] Group 1: Technological Advancements - The 800 kV GIL has passed all technical tests, demonstrating its reliability and advanced design [1] - Key features of GIL include high capacity, long-distance transmission, small footprint, high reliability, and strong environmental adaptability, making it suitable for urban areas, offshore channels, and complex terrains [1] - The product achieved a low annual gas leakage rate of 0.006%, which is at an internationally leading level, verified through rigorous testing [1] Group 2: Industry Impact - The breakthrough in GIL technology will support China's energy transition, facilitating projects like "West-to-East Power Transmission" and offshore wind power integration, thereby promoting efficient consumption of clean energy [1] - The technology will alleviate the tight transmission corridor issues in urban centers, meeting the electricity demands of new infrastructure such as electric vehicle charging networks and data centers [1]

Core Viewpoint - China has become the world's largest electricity producer, surpassing the United States and India, fundamentally changing the global energy landscape [1][3][24] Group 1: Electricity Production and Infrastructure - China's annual electricity generation has exceeded 10.1 trillion kilowatt-hours, establishing it as the "Electricity Kingdom" [1] - The country has prioritized electricity as a national strategy, moving away from traditional energy sources like coal and oil [3][5] - The installed capacity of renewable energy has significantly increased, with wind and solar power leading the charge, contributing to 4.1 million kilowatts of new capacity this year alone [10][14] Group 2: Technological Advancements - China has developed a robust high-voltage transmission system, capable of transmitting electricity over long distances with minimal loss, achieving less than 7% loss over 3,000 kilometers [8][10] - The implementation of AI algorithms for energy management is set to enhance efficiency in electricity distribution, allowing for real-time adjustments to supply and demand [12][24] Group 3: Economic Impact and Global Positioning - The growth in electricity production has alleviated regional economic constraints, making electricity as accessible as turning on a tap, especially crucial during peak demand periods [10][14] - China's dominance in renewable energy technology has positioned it as a leader in the global energy market, with significant exports of transformers and electric meters expected to rise by 70% and 10% respectively in 2024 [21][24] Group 4: Future Outlook - The transition to a more electrified energy structure is anticipated to continue, with non-fossil energy sources expected to account for 87.3% of total energy by next year [14][16] - The vision for a future where electricity is as ubiquitous as Wi-Fi is being actively pursued, with smart energy management systems set to revolutionize daily life [23][24]

Core Viewpoint - The article highlights China's significant advancements in ultra-high voltage (UHV) transmission technology, which has positioned the country as a global leader in the power sector, surpassing Western nations in both technology and influence [2][29]. Group 1: Historical Context - China's electricity industry began with reliance on imported American equipment, with the first electric light in Shanghai in 1882 [5]. - Initially, China's power generation ranked 21st globally, but the demand surged post-economic reforms, revealing structural challenges in energy distribution [5][10]. Group 2: Technological Development - The geographical and demographic disparities in China necessitated efficient power transmission solutions, leading to the development of UHV technology [7][10]. - UHV transmission lines can increase capacity by approximately five times and significantly reduce transmission losses over long distances, with effective ranges exceeding 2000 kilometers [8][10]. Group 3: Implementation and Achievements - The first UHV AC demonstration project was operational in 2009, marking a significant technological breakthrough [14]. - By 2023, China had constructed 40,000 kilometers of UHV lines, capable of transmitting over 2 trillion kilowatt-hours annually, equivalent to reducing coal transport by 600 million tons [16][18]. Group 4: Global Influence - China's UHV technology has become the world's largest and most advanced network, with comprehensive mastery over design, manufacturing, construction, and operation [18][19]. - The successful application of this technology has not only addressed domestic energy distribution challenges but has also gained international recognition, with projects in Brazil and the Philippines utilizing Chinese technology [27][29]. Group 5: Challenges and Future Prospects - Despite the success, the global promotion of UHV technology faces challenges, particularly in developed countries like the United States, due to complex geographical and regulatory environments [33][35]. - China's advancements in UHV technology provide a viable solution to global energy, environmental, and climate issues, contributing to a sustainable future [37][40].

Core Viewpoint - The A-share market experienced a significant rally on July 22, 2025, with all three major indices reaching new highs for the year, driven by the launch of the Yarlung Tsangpo River hydropower project and supportive macroeconomic policies [2][4][5]. Market Performance - The Shanghai Composite Index rose by 0.62% to close at 3581.86 points, with an intraday high of 3584.72 points [2]. - The total trading volume across the Shanghai, Shenzhen, and Beijing markets reached 1.9286 trillion yuan, an increase of 201.5 billion yuan from the previous day [2]. - Over 2500 stocks in the market saw gains, with more than 100 stocks hitting the daily limit for the second consecutive day [2]. Sector Performance - The Yarlung hydropower concept sector led the gains with an increase of 11.77%, followed by the civil explosives sector at 6.04% and the cement sector at 4.58% [2]. - Despite the strong performance, the Yarlung hydropower sector experienced a net outflow of 557 million yuan in main funds [3]. - The coal mining and processing sector saw a net inflow of 2.571 billion yuan, while the liquor sector attracted 1.829 billion yuan [2]. Project Significance - The Yarlung Tsangpo River hydropower project, with a total investment of approximately 1.2 trillion yuan, is expected to significantly boost infrastructure development and clean energy initiatives in the western region of China [4]. - The project is projected to account for 88.7% of China's total water conservancy investment in 2024, benefiting various sectors including water conservancy, tunneling, civil explosives, and construction materials [4]. Market Sentiment and Future Outlook - Analysts suggest that while the Yarlung hydropower project serves as a catalyst for market sentiment, the actual impact on corporate earnings may be limited in the short term due to the project's long construction cycle [4][5]. - The market is expected to experience structural pressures, particularly from the banking sector, which may limit upward movement in indices [9]. - Future investment opportunities may arise in sectors related to high-voltage power transmission and infrastructure in Tibet, as well as in high-growth industries such as AI and semiconductors [6][10].

Group 1 - Wuhan is designated as a key city for China's power supply security due to its rapid urban development and the implementation of the "Ultra High Voltage into the City" strategy, which enhances the power grid's resource allocation capacity [2][5] - By 2025, the substation capacity in Wuhan is expected to increase from 41.46 million kVA to 60 million kVA, providing robust support for the city's rapid growth [2][5] - The city has implemented smart grid construction to achieve precise power dispatch and real-time monitoring, ensuring stable power supply for high-tech industrial areas [2] Group 2 - Wuhan's total electricity consumption reached 75.544 billion kWh, with the number of electricity users increasing to 6.76 million [3] - During peak summer periods, the maximum load on the Hubei power grid is projected to increase by 7.4% to 12.9%, with Wuhan playing a crucial role in maintaining power supply balance [3] - On July 7, 2025, Wuhan's power grid load hit a historical high of 17.7415 million kW, exceeding the previous record by 320,000 kW [3] Group 3 - The commissioning of the 500 kV Dongxin substation on June 11, 2023, is expected to consume 6.5 billion kWh of clean energy annually, reducing CO2 emissions by approximately 4 million tons [5] - The continuous expansion of the power grid by State Grid Wuhan Electric Power Company is enhancing emergency response capabilities [5] Group 4 - Effective load management measures, such as adjusting commercial electric vehicle charging prices, have led to a reduction of 250,000 kW during peak hours, freeing up power for 100,000 households [6] - The power grid has achieved a self-healing capability of 0.1 seconds, allowing for automatic isolation and restoration of power during faults [6] Group 5 - Demand-side management optimization includes encouraging residents to adjust air conditioning temperatures and reduce unnecessary electricity usage, which helps alleviate power pressure [8] - The relocation of the Three Gorges Group headquarters to Wuhan enhances the city's advantage in electricity supply, as the group can provide stable green power through its extensive clean energy projects [8]

Core Viewpoint - The installation of GIS equipment for the Shaanxi to Anhui ±800 kV UHVDC transmission project has commenced, marking a significant advancement in the project, which is a key initiative in China's 14th Five-Year Plan for power development [1] Group 1: Project Overview - The Shaanxi to Anhui ±800 kV UHVDC transmission project spans 1,065.4 kilometers across Shaanxi, Henan, and Anhui provinces, starting from the Baota Mountain converter station in Shaanxi and ending at the Hefei converter station in Anhui [1] - Upon completion, the project will integrate 11 million kW of renewable energy, including wind and solar power, and is expected to deliver over 36 billion kWh of electricity annually to Anhui [1] Group 2: Technical Aspects - GIS equipment, which is gas-insulated metal-enclosed switchgear, plays a crucial role in ensuring the safe control, power distribution, and equipment protection of high-voltage power systems through integrated design and gas insulation technology [1] - The project team from Xi'an Xidian Switchgear Co., Ltd. has implemented a series of training programs for its members, focusing on practical skills such as site cleaning, connection points, and installation procedures [1] Group 3: Project Management - The project has been designated as a key initiative for the company, with a dedicated installation team deployed to the site to ensure effective project management and execution [1] - The technical team has provided detailed explanations of the installation plan and key points to the project owner, receiving positive feedback for their proactive approach to dust control and project progress management [1]

Core Viewpoint - The article highlights the efforts of the State Grid Chongqing Electric Power Company to ensure stable electricity supply amid high temperatures, emphasizing the development of a robust power supply system through various initiatives [1][3]. Group 1: Infrastructure Development - The Chongqing power grid is entering the ultra-high voltage era with the commissioning of the Sichuan-Chongqing 1000 kV AC transmission project in December 2024 and the Hami-Chongqing ±800 kV DC transmission project launched in June 2023, which will enhance the region's power transmission capacity [1]. - The maximum transmission capacity of the Sichuan-Chongqing AC project and the "Xinjiang Power to Chongqing" project is expected to reach 35 billion kWh and 36 billion kWh annually, respectively [1]. Group 2: Local Power Generation - The construction of local power sources is progressing, with the 30 MW wind power project in Youyang County recently connected to the grid, expected to generate an average of 63 million kWh annually [2]. - From January to June this year, Chongqing's power grid added 3.14 million kW of installed capacity, with 2.36 million kW coming from clean energy sources, indicating a continuous improvement in clean energy supply [2]. Group 3: Energy Storage Solutions - The acceleration of new energy storage stations is enhancing power regulation capabilities, with the recently commissioned Zhongguang Nuclear New Longcai storage station capable of discharging nearly 400,000 kWh to the grid during peak periods [2]. - The storage station operates by charging during low demand and discharging during peak demand, adhering to the scheduling plans of the State Grid Chongqing Electric Power Company [2].

Group 1 - Europe is experiencing an unprecedented heatwave, with temperatures reaching 46°C in Spain and 47°C in Portugal, leading to severe impacts on daily life and infrastructure [1][3] - The heatwave has caused significant disruptions, including the shutdown of nuclear power plants in France due to high river temperatures, affecting electricity supply across Europe [3] - Many Europeans lack air conditioning, with only 48% of households in the EU equipped with it, primarily due to high electricity costs, such as Germany's average price of €0.39 per kWh [5] Group 2 - In contrast, China's ultra-high voltage (UHV) technology is showcased as a solution to energy challenges, with the ±1100 kV line in Gansu efficiently transmitting electricity over long distances with minimal loss [6] - UHV technology is described as significantly more efficient than traditional power lines, with only 2.7% energy loss over 3300 km, compared to 15% over 500 km for conventional lines [6] - The global deployment of UHV technology is predominantly in China, with 39 out of 42 operational lines, highlighting a technological gap between China and developed countries [11][12] Group 3 - The urgency for advanced energy solutions is emphasized by a UN warning of a potential global electricity shortfall equivalent to the power generation of seven Indias by 2040 [12] - UHV technology is positioned as a critical tool for combating climate change, with the potential to significantly reduce coal consumption and contribute to global energy needs [12] - The narrative contrasts the technological advancements in China with the struggles of developed nations, illustrating a shift in energy paradigms and the importance of innovation in addressing climate challenges [13]

Core Viewpoint - The city of Liaocheng is prioritizing electricity supply security during the summer peak season, emphasizing its importance for urban stability and residents' quality of life [1] Electricity Supply Situation - During the summer peak period, electricity supply is expected to be sufficient during the midday peak and slightly surplus during the evening peak, assuming no extreme weather occurs [3] - The electricity load is projected to reach new highs, with midday and evening peaks expected to hit 6.55 million kilowatts and 5.95 million kilowatts respectively, representing year-on-year increases of 12.3% and 11.4% [3] - The highest load occurred earlier than in previous years, attributed to higher temperatures and prolonged heat, with the load surpassing 5 million kilowatts in May and reaching 6.284 million kilowatts on July 5, an increase of 435,000 kilowatts from the previous year [3] Power Generation Overview - In the first half of the year, total electricity consumption reached 35.885 billion kilowatt-hours, a year-on-year increase of 4.16%, with residential electricity consumption at 2.543 billion kilowatt-hours, up 2.46% [4] - Total power generation was 31.877 billion kilowatt-hours, a 1.96% increase year-on-year, with renewable energy generation at 3.84 billion kilowatt-hours, up 11.19% [4] - Solar power generation accounted for 3.267 billion kilowatt-hours, reflecting a 13.71% increase, while wind power generation was 360 million kilowatt-hours, up 1.06% [4] Power Supply Capacity - Renewable energy capacity has grown, with total installed capacity reaching 5.502 million kilowatts, a 20.7% increase, which supports electricity supply during peak periods [5] - The completion of the ±800 kV ultra-high voltage direct current transmission line enhances the grid's ability to handle extreme weather and peak demand, providing up to 1.18 million kilowatts of load support [5] - Backup measures include peak power generation from local coal-fired plants and centralized use of new energy storage, capable of increasing output by 380,000 kilowatts [5] Power Supply Measures - The city has implemented comprehensive supervision of energy supply work, ensuring sufficient coal inventory and stable operation of power plants [6] - As of now, four direct supply power plants have coal inventories exceeding 1 million tons, with an average daily coal consumption allowing for over 28 days of supply [6] - Safety measures include the completion of inspections and maintenance of power facilities, with significant improvements in the operational status of equipment and a 41.80% reduction in the 10 kV distribution switch tripping rate [6]