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国网山东电科院创新技术护航今夏用电高峰
Qi Lu Wan Bao· 2025-08-28 06:48
Group 1 - The highest electricity load in Shandong's power grid reached 1.3021 million kilowatts, marking the eighth historical high this summer [1] - Since June, the power load in Shandong has exceeded 100 million kilowatts for 61 days, a first in the province's power history [1] - The State Grid Shandong Electric Power Research Institute is committed to ensuring power supply during peak summer, leveraging digital and intelligent technology innovations to enhance grid supply capabilities [1] Group 2 - The summer season poses significant challenges to the stability of the distribution network due to severe weather conditions, prompting the development of differentiated prevention and control strategies [3] - Specific lightning protection plans have been created based on regional lightning characteristics, significantly reducing faults caused by lightning strikes [3] - A standardized insulation spraying technique has been implemented on over 1,300 distribution lines to address faults caused by foreign objects during strong winds [3] Group 3 - The optimization of distribution network business systems has provided robust technical support for power supply during peak summer [4] - Advanced features such as "self-healing" and "one-click transfer" have been developed and implemented across 17 cities, enhancing fault detection and repair efficiency [4] - Real-time monitoring of over 200,000 distribution stations has enabled precise fault assessment and rapid repairs, improving power supply reliability [4] Group 4 - A new technology combining local rapid response and global coordination has been introduced to quickly isolate faults and minimize power outage impacts [6] - This technology has been deployed on over 200 distribution lines since June, successfully isolating faults in all seven incidents, preventing outages for 390 transformers [6] - The implementation of this technology has significantly improved fault handling efficiency and power supply reliability [6] Group 5 - The pressure on distribution cables has increased due to rising electricity loads, necessitating advanced detection methods for potential faults [7] - Innovative algorithms and diagnostic devices have been developed to accurately identify and assess cable defects, addressing traditional detection challenges [7] - Since the peak summer period began, this technology has been applied in over 1,200 locations, preventing 15 cable faults and enhancing supply reliability [7]
今夏不缺电
Core Viewpoint - This summer, China's electricity load has reached a new high, with the total electricity consumption exceeding 1 trillion kilowatt-hours for the first time in July, reaching 10,226 billion kilowatt-hours. Despite the immense pressure on the power grid, there were no power cuts or load shedding this summer. The improvement in power supply, significant increase in installed generation capacity, widespread use of virtual power plants, and stable coal market operations have all strengthened the foundation for electricity supply this summer. However, the energy and electricity security work in China remains a significant challenge, with a focus on transitioning from "using electricity" to "using electricity efficiently" being the next goal for relevant departments and the energy industry [1]. Group 1 - The total electricity consumption in July reached 10,226 billion kilowatt-hours, marking a historic high for a single month [1] - There were no instances of power cuts or load shedding during this summer despite high demand [1] - Factors contributing to the stable electricity supply include improvements in power supply, increased installed generation capacity, the use of virtual power plants, and a stable coal market [1] Group 2 - The energy and electricity security work in China is still a significant challenge [1] - The next goal for relevant departments and the energy industry is to shift focus from merely using electricity to using it more efficiently [1]
2411万千瓦:杭州用电负荷再创新高
Hang Zhou Ri Bao· 2025-08-27 02:25
Core Insights - The electricity load in Hangzhou reached 24.11 million kilowatts on August 25, marking an increase of nearly 2 million kilowatts compared to the highest load last year, equivalent to the total electricity consumption of the entire Linping area [1] Group 1: Virtual Power Plant Operations - The virtual power plant is playing a crucial role in stabilizing electricity supply by intelligently connecting and managing idle power resources such as rooftop solar panels, factory backup generators, and electric vehicle batteries [2] - The Hangzhou Virtual Power Plant Management Center was officially established in July 2023, aggregating a wide range of controllable distributed resources, with a maximum capacity of 400,000 kilowatts for rapid supply adjustments [2] - A recent large-scale vehicle-grid interaction test involved 73 electric vehicle owners, resulting in a total discharge of 3,168 kilowatt-hours, sufficient to power over 1,000 households for one hour [2] Group 2: Market Response and Economic Benefits - In eight market response actions organized by Zhejiang Province this year, the virtual power plant has been actively involved, with a total response electricity of 730,800 kilowatt-hours, generating revenue exceeding 0.8 yuan per kilowatt-hour [3] - The operation of the virtual power plant has allowed companies to optimize their energy storage strategies, achieving both social and economic benefits [3] Group 3: Future Plans and Strategies - The Hangzhou Electricity Load Management Center plans to enhance its monitoring and load management strategies, ensuring reliable electricity supply for residents and public places during peak summer demand [4] - The center aims to provide operational services for virtual power plant operators and explore the flexible adjustment capabilities of distributed resources like solar and energy storage [4]
国网西和县供电公司:七夕相约美丽西和 匠心护航节会供电
Group 1 - The 13th Longnan Qiqiao Daughter Festival was grandly launched on August 23 at Fuxi Square in Xihe County, with the State Grid Xihe County Power Supply Company achieving the goal of "zero power outages, zero faults, and zero complaints" during the event [1][2][6] - The festival, themed "Meeting Longnan, Love at Qiqiao," included a collective wedding ceremony for 100 newlyweds and featured various activities such as cultural exchanges, academic discussions, investment promotion, intangible cultural heritage displays, tourism promotion, and folk Qiqiao activities [2][3] - The company implemented a comprehensive power supply plan and emergency response measures to ensure the safety and stability of the power grid during the festival, including no scheduled power outages for 11 townships involved in key activities [5][7] Group 2 - The company conducted thorough inspections of substations and power lines, increased monitoring frequency in disaster-prone areas, and prepared for emergency situations by conducting drills and ensuring rapid response capabilities [5][7] - A total of 630 kVA transformer and a 400 kW emergency power supply vehicle were deployed to support the event, with dedicated teams monitoring the power supply and equipment throughout the festival [7] - The company demonstrated a strong sense of political responsibility and social commitment, successfully completing the power supply task for the festival and showcasing the company's dedication to serving the local government and community [6][7]
山东电网负荷连续41天破亿千瓦,今年度夏第六次创下历史新高
Qi Lu Wan Bao Wang· 2025-08-20 23:19
Core Insights - Shandong's power grid reached a record high load of 12.517 million kilowatts on August 20, marking the sixth historical peak this summer, with an increase of 10.65 million kilowatts compared to last year's highest load [1][2] - The sustained high temperatures and humidity have driven rapid growth in power load, with the grid load exceeding 10 million kilowatts for 41 consecutive days [1] - The Shandong Power Meteorological Innovation Center has implemented advanced weather modeling for load forecasting, achieving a prediction accuracy of 99.7% for load and 98% for renewable energy output [1] Power Supply and Generation - At the peak load moment, external power supply to Shandong reached 28.02 million kilowatts, while wind and solar energy combined output was 52.531 million kilowatts [2] - The total output from in-province direct adjustment units was 38.173 million kilowatts, and local power plants contributed 6.446 million kilowatts, showcasing significant collaborative support from diverse power sources [2] - Cumulative external power supply from July to August reached 37.9 billion kilowatt-hours, representing a year-on-year increase of 16%, with long-term external power supply exceeding 30 million kilowatts for the first time [2]
江苏今夏用电负荷已三创新高
Xin Hua Ri Bao· 2025-08-15 06:40
Core Insights - Jiangsu province has reached a record electricity load of 15,281 megawatts, equivalent to lighting nearly 1.5 billion 100-watt light bulbs simultaneously [1] - The province is implementing new strategies for load management, emphasizing flexible supply and demand balance to ensure electricity availability [2][3] Load Management Strategies - Jiangsu has introduced a notification to optimize commercial and industrial time-of-use electricity pricing, aiming to reduce electricity costs and enhance the interaction between commercial users and renewable energy [3] - The province is actively guiding enterprises to adjust production schedules to peak electricity demand periods, with significant load shifting achieved [3][4] - The implementation of peak pricing since July 1 has resulted in a maximum load shift of 3.13 million kilowatts during peak hours, reinforcing electricity supply security [4][5] New Energy Initiatives - Jiangsu successfully conducted a large-scale vehicle-to-grid (V2G) test, achieving a maximum discharge power of 4,194 kilowatts from 144 electric vehicles, showcasing innovative approaches to enhance grid resilience [6] - The province is set to launch a virtual power plant management platform in early 2024, which will facilitate the aggregation of distributed energy resources [6][7] - As of August 12, 80 virtual power plants have connected to the new load management system, aggregating a total capacity of 11.6 million kilowatts [6] Community Engagement and Energy Conservation - Jiangsu has initiated the "Smart Summer · Energy Saving Together" campaign, encouraging residents to participate in energy-saving activities during peak hours, with incentives such as electricity bill discounts [9][10] - The campaign has successfully engaged over 100,000 households, promoting energy-saving practices through various outreach methods [10]
陕西保障电力稳定供应
Shan Xi Ri Bao· 2025-08-14 23:14
Core Insights - The high temperatures in Shaanxi province have led to record electricity demand, with the power grid reaching historical peaks since June [1][2] - Coal-fired power plants are playing a crucial role in maintaining stable electricity supply during this heatwave, with companies like Qingshuichuan Energy and Zhaoshipan Coal Power operating at full capacity [1][2] - The integration of renewable energy sources is significant, with new energy installations in Shaanxi exceeding 56 million kilowatts, accounting for about 50% of the province's total power capacity [2][5] Group 1: Power Generation Performance - Qingshuichuan Energy has a total installed capacity of 4.6 million kilowatts and has achieved a record monthly generation in July, with a single-day output exceeding 100 million kilowatt-hours on August 7 [1] - Zhaoshipan Coal Power has also reported high performance, with daily generation reaching a new annual high on June 19 and total generation surpassing 1 billion kilowatt-hours in July [2] - Shaanxi Qinlong Power's eight units have been operating at over 93% load factor since July 14, contributing to the overall power supply stability [2] Group 2: Renewable Energy and Technological Integration - The Shaanxi Hydropower 200MWp photovoltaic power station utilizes drones and infrared thermometers for efficient monitoring, resulting in significant increases in power generation [3] - The Xiaohatu Wind Power Station has achieved a 100% defect handling rate through smart management, reducing wind and solar energy wastage by 5.2% [4] - The Shanxi Investment Group's energy management system at its coal mine has successfully implemented a dual-mode operation, achieving over 2.78 million kilowatt-hours of charge and discharge in 50 days [4][5] Group 3: Overall Energy Supply Strategy - Shanxi Investment Group, as a major power producer in Shaanxi, has a total installed capacity of 25 million kilowatts and has developed a comprehensive supply guarantee system [5] - In July, the group generated 6.061 billion kilowatt-hours of electricity, marking an 11% year-on-year increase, and has supported neighboring regions with substantial power supplies [5]
福建电网用电负荷年内第2次创历史新高
为应对夏季用电高峰,国网福建电力制定电力保供及防汛工作27项措施,从保障电力供 应、优化资源配置、抓好安全生产、做好优质服务、强化应急处置等方面入手,全力保障电 网稳定运行、电力可靠供应。 国网福建电力持续加大投资力度,在夏季用电高峰前建成投运20项迎峰度夏电力保供重 点工程,为保障今夏电力供应提供坚实基础。同时,该公司精益运维电网设备,实行重要输 电通道、重载线路及单供线路等"一线一案"专项巡检,完成285座重要变电站、71个重要输 电通道差异化运维,开展设备带电检测及线路通道扫描普查;完成49座高层住宅(大中型小 区)双电源、15座老旧小区供配电设施改造,夯实电网保供基础。 从国网福建省电力有限公司获悉,受高温天气影响,福建电网用电负荷持续攀升。8月 11日,福建电网用电负荷年内第2次创历史新高,达到5593万千瓦,较去年最高负荷增长 2.93%。 在电源侧,国网福建电力积极服务发电机组应并尽并,完成可门二厂#5、#6机组、南山 核电#1机组并网运行,增加发电装机容量321万千瓦。协同福建省人民政府防汛抗旱指挥部 做好水电调度,增强电力稳发增供能力。 今年1-7月,福建清洁能源发电量占比56.8%。迎峰度 ...
人民日报丨在建和年内计划开工的能源重点项目上半年完成投资额同比增长21.6%
国家能源局· 2025-08-12 09:31
Core Insights - The total investment in key energy projects in China exceeded 1.5 trillion yuan in the first half of the year, marking a year-on-year increase of 21.6% [3] - Investment in renewable energy generation continues to grow rapidly, with significant increases in onshore wind and solar energy investments [3] - Private enterprises are increasingly investing in the energy sector, with a year-on-year growth of 27.8% in investment [3] Investment Growth - Investment in renewable energy generation saw substantial growth, with onshore wind investment in Guangxi and Xinjiang doubling compared to the same period last year [3] - Centralized solar power investment increased by 24.5%, while distributed solar power investment grew by over 70% [3] - Investment in solar thermal power nearly doubled compared to last year [3] Power Supply Investment - Investment in coal and nuclear power sectors maintained rapid growth, with key coal power projects in East China, Central China, and Western Inner Mongolia being completed [3] - Investments in power grids and pumped storage also showed steady growth [3] New Energy Investment - Investment in hydrogen energy projects doubled in the first half of the year, with multiple green hydrogen projects in Jilin accelerating [3] - Investment in charging and swapping infrastructure grew by nearly 70% [3] - New energy storage and integrated source-grid-load-storage projects saw investment growth of over 30% [3] Private Sector Involvement - Private enterprises completed investments in the energy sector with a year-on-year increase of 27.8% [3] - Investments in distributed solar and onshore wind by private companies grew by over 40% [3] - Investment in charging and swapping infrastructure and centralized solar power by private enterprises increased by around 15% [3]
浙江全社会最高用电负荷达1.28亿千瓦 再创新高
Xin Hua Cai Jing· 2025-08-08 13:45
Core Insights - Zhejiang's highest electricity load reached 128 million kilowatts on August 8, setting a historical record for the second time in three days, with over 50 days of exceeding 100 million kilowatts this summer [1][2] - The province is experiencing a heatwave with temperatures exceeding 37°C, driving up electricity demand [1] - To ensure stable power supply, Zhejiang is enhancing internal potential and expanding external channels, focusing on both power generation and load management [1] Power Supply Management - State Grid Zhejiang Electric Power has improved the scheduling of in-province units, achieving the lowest non-stop rate of coal-fired units at 0.6% and obstruction rate at 0.3% during the peak summer period [1] - External electricity accounts for about one-third of the highest electricity load, with over 43.4 million kilowatts of purchased power secured through long-term agreements, an increase of 3.4 million kilowatts from last year [1] - The construction of the electricity spot market has been deepened, facilitating inter-provincial trading to continuously increase power supply [1] Infrastructure Support - The three UHV converter stations in Jinhua, Shaoxing, and Qiantang River have delivered over 19.027 billion kilowatt-hours of electricity in 54 days, averaging over 350 million kilowatt-hours daily, providing crucial support for Zhejiang's power grid during high temperatures [1] - Zhejiang has established over 1,300 "government + power supply" micro-grid units to enhance load management, implementing measures like virtual power plants and peak-shaving strategies to guide enterprises in adjusting electricity usage without hindering economic development [2]