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武汉是中国电力供应最幸福用电大户之一,高峰用电停电现象非常少
Sou Hu Cai Jing· 2025-07-22 02:09
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]
【省工业和信息化厅】宝塔山换流站GIS设备开始安装
Shan Xi Ri Bao· 2025-07-20 23:56
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]
重庆:多元电力保障应对持续高温
Xin Hua She· 2025-07-17 09:23
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].
当45℃高温炙烤欧洲国家尊严,为何说中国这项独门绝技成了人类最后的救生索?
Sou Hu Cai Jing· 2025-07-14 04:46
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]
绿电装机+特高压+应急储备,聊城市迎峰度夏电力保供底气足
Qi Lu Wan Bao Wang· 2025-07-09 09:51
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]
电力设备新能源行业点评:工信部召开光伏企业座谈会,蒙西至京津冀特高压直流输电工程获批
Guoxin Securities· 2025-07-04 08:52
Investment Rating - The investment rating for the electric equipment and new energy industry is "Outperform the Market" (maintained) [1][5] Core Insights - The Ministry of Industry and Information Technology held a meeting with photovoltaic manufacturing enterprises to address issues such as chaotic competition and the exit of backward production capacity [2] - The approval of the ±800 kV DC transmission project from Inner Mongolia to Beijing-Tianjin-Hebei has been granted, which will transport 36 billion kWh of green electricity annually to the Beijing-Tianjin-Hebei region [3] - Investment suggestions include focusing on TBEA and leading polysilicon companies [1] Summary by Sections Photovoltaic Industry - The Ministry of Industry and Information Technology emphasized the need for comprehensive governance of low-price chaotic competition in the photovoltaic industry, aiming to enhance product quality and promote the orderly exit of backward production capacity [2] Power Grid - The ±800 kV DC transmission project from Inner Mongolia to Beijing-Tianjin-Hebei is a key project under the national "14th Five-Year" power planning, with a total investment of 17.178 billion yuan and a length of 669 kilometers [3] Company Profit Forecasts - TBEA is projected to have a net profit of 4.13 billion yuan in 2024, increasing to 6.20 billion yuan in 2025 and 7.80 billion yuan in 2026, with a PE ratio of 14.8x for 2024 [6]
城市24小时 | 动真格了?江苏“十三妹”想赢
Mei Ri Jing Ji Xin Wen· 2025-06-30 15:01
Group 1: Core Insights - Changzhou is focusing on the high-quality development of football through a three-year action plan from 2025 to 2027, emphasizing youth football, campus promotion, and integration with cultural tourism [1] - Despite a poor performance in the "Super League," Changzhou has gained attention through creative marketing strategies and community engagement, positioning itself as a potential winner in the football scene [1] - The city aims to recover its football reputation and improve its youth training systems, learning from the successful models of neighboring cities like Nantong [2][4] Group 2: Historical Context and Plans - Changzhou's interest in football development is not new; the "14th Five-Year Plan for Sports Development" initiated in 2021 already highlighted the importance of promoting football in schools and increasing funding for the sport [2] - The 2023 action plan further emphasizes the need for a structured approach to football development, including the establishment of training bases and attracting high-profile events [2] - Challenges such as the lack of professional clubs and a weak youth training system have been acknowledged, indicating a need for significant improvements [2] Group 3: Comparative Analysis - Nantong has established a successful model for youth football development, integrating schools, training camps, and professional teams, which has resulted in a strong talent pipeline for its football clubs [3] - The success of Nantong's football teams is attributed to its robust youth training system, contrasting with Changzhou's current struggles [3] Group 4: Broader Implications - The developments in Changzhou's football strategy may have implications for the local economy and community engagement, as sports can drive tourism and local business growth [1][2] - The integration of sports with cultural tourism is seen as a strategic move to enhance the city's appeal and economic prospects [1]
“陕电入皖”的重点配套工程安徽500千伏舒邑变电站完成各项调试任务,正式送电投运
news flash· 2025-06-19 01:22
Core Viewpoint - The completion and commissioning of the Shuyi Substation in Anhui marks a significant milestone for the "Shan Electric into Anhui" project, enhancing energy supply reliability in the region [1] Group 1: Project Overview - The Shuyi Substation is a key supporting project for the Shanbei to Anhui ±800 kV UHVDC transmission project, with over half of the transmitted electricity being delivered through this substation to various locations in Anhui [1] - The substation plays a crucial role in upgrading the power grid around Chaohu Lake, providing reliable energy support to key areas such as the Binhu Science City and the Hefei-Lu Industrial New City [1] Group 2: Technical Details - Two 1 million kVA transformers have been put into operation, capable of meeting the electricity needs of nearly 5 million households [1] - The project is expected to further enhance the reliability of power supply in central Anhui [1]
通达股份预中标1.37亿电网项目 首季营收14.74亿冲刺百亿目标
Chang Jiang Shang Bao· 2025-06-17 23:53
Core Viewpoint - Tongda Co., Ltd. has recently secured a significant order from the State Grid, indicating strong growth potential in its core cable business and overall financial performance [2][3]. Group 1: Recent Orders and Financial Performance - On June 17, Tongda Co., Ltd. announced a pre-bid win for a State Grid procurement project valued at 137 million yuan, which is approximately 2.20% of the company's total revenue for 2024 [3]. - Since May, the total value of pre-bid orders from the State Grid has reached 520 million yuan, showcasing the company's strong market position [5]. - In Q1 2025, the company reported a 61.98% year-on-year increase in new orders, reflecting robust demand for its products [6]. Group 2: Revenue and Business Segments - The cable business is the primary revenue source for Tongda Co., accounting for over 50% of total revenue, with a reported revenue of 32.33 billion yuan in 2024, up 16.63% year-on-year [8]. - The company aims to achieve an annual revenue target of 10 billion yuan by 2025 as part of its "511" development plan, marking the final year of this strategic initiative [8]. - In Q1 2025, Tongda Co. achieved a revenue of 1.474 billion yuan, representing a 39.35% increase compared to the previous year [7]. Group 3: Strategic Goals and Market Position - Tongda Co. has been recognized as a leading enterprise in the Henan province's wire and cable industry, with products utilized in over 600 national key projects [5]. - The company has set ambitious goals to become a leader in both the cable and aerospace component processing sectors, aiming for a total revenue of 100 billion yuan within five years [8]. - The company has experienced fluctuations in performance since its listing in 2011, but recent trends indicate a stabilization in revenue and profit growth [7].
全国道德模范提名奖国家电网胡洪炜:执着攻坚勇当先锋
【人物名片】胡洪炜,第九届全国道德模范提名奖获得者,国网湖北超高压公司输电检修中心带 电作业二班班长。参加工作25年来,他扎根超高压、特高压带电作业一线,以"一辈子办成一件事"的 执着,攻克多项带电作业关键技术难题,曾获全国劳动模范、全国"最美青工"、全国最美职工等荣 誉。 2000年,胡洪炜退伍后入职国网湖北超高压公司输电检修中心,成为我国首个从事超特高压输电 线路带电作业的专业班组的一员。凭借不服输的"军人本色"和超出常人的勤学苦练,他迅速成长为业 内"尖兵"和生产骨干,在各层级的技能比武中屡获佳绩。 2001年,胡洪炜首次参与线路检修,更换500千伏葛南线的间隔棒。检修作业的第一天,师傅在 完成自己的工作任务后,又协助他完成了一档线路的间隔棒更换工作。这次实战经历后,胡洪炜彻夜 难眠,反复琢磨师傅的操作要领。第二天,他认真观察师傅的操作动作,结合实际改进方法,独立完 成了更换任务。第三天,胡洪炜不仅完成了额定工作量,还主动协助师傅完成另一档线的间隔棒更 换,让师傅连连称赞。 近日,在湖北省荆门市后港镇40多米的高空中,胡洪炜在500千伏安兴一回线路导线开展带电作 业,完成受损导线补强工作,保障迎峰度夏期 ...