Core Viewpoint - The extreme cold weather in the Ulanqab region poses significant challenges to the safety and stability of the power grid, necessitating urgent maintenance actions to prevent potential failures [1][3]. Group 1: Weather Impact on Power Infrastructure - The Ulanqab region experienced a severe cold wave, with nighttime temperatures dropping to minus 30 degrees Celsius, leading to ice formation on equipment and increased operational pressure on the power grid [1]. - A specific incident involved the 1542 knife switch's static contact head being affected by the extreme low temperatures, resulting in a positional shift that created a risk of poor contact [1]. Group 2: Emergency Response and Maintenance Actions - Upon receiving an emergency directive, maintenance personnel quickly mobilized to the fault site, facing harsh outdoor conditions including strong winds and limited visibility [3]. - The repair team successfully adjusted the misaligned static contact head after several hours of work in extreme cold, eliminating the equipment hazard and ensuring the power supply's normal operation [3]. Group 3: Professionalism and Commitment - The emergency repair under extreme conditions tested the professional skills of the maintenance team and exemplified their sense of responsibility [3]. - The dedication of the power repair personnel in overcoming challenges and ensuring the safety of the power grid highlights their commitment to providing warmth and light to households during winter [3].

Core Viewpoint - The Inner Mongolia Electric Power Group's Ulanqab Power Supply Company is enhancing its emergency response and equipment failure handling capabilities through specialized drills to ensure the stability and safety of the power grid during the critical winter period [1][3]. Group 1: Emergency Drill Overview - The drill simulated a sudden failure of a 110kV voltage transformer at the Qitai Substation, focusing on real-world applicability and testing the emergency response speed and teamwork of the testing personnel [3]. - Participants were required to wear safety gear and follow emergency procedures to quickly reach the operational site, demonstrating efficient engagement in the drill tasks [3]. - The drill was characterized by unified command, clear division of tasks, and orderly coordination, emphasizing adherence to safety protocols and operational standards to ensure a safe and effective process [3]. Group 2: Post-Drill Learning and Skill Enhancement - Following the drill, the team conducted a focused re-learning session on transformer winding deformation tests, integrating new equipment applications and upcoming spring inspection plans [4]. - Participants reviewed testing principles, standards, and safety precautions, comparing the technical characteristics and applicable scenarios of frequency response and low voltage impedance methods [4]. - The session included hands-on practice with different instruments for winding deformation testing, fostering data analysis and operational skill enhancement among team members [4]. Group 3: Future Initiatives - The company aims to maintain regular and practical emergency drills, concentrating on key operational challenges and risks in power grid equipment maintenance [4]. - There is a commitment to continuously optimize emergency response processes and improve support mechanisms to strengthen the winter power grid safety framework [4].

Core Viewpoint - The Southern Power Grid Yunnan Lincang Fengqing Power Supply Bureau has initiated a special action to clear obstacles from power lines in urban areas to ensure safe and stable operation of the power grid during the 2026 Spring Festival, addressing the "tree-line conflict" issue that poses risks to power grid safety [1][2]. Group 1: Action Initiation - The Fengqing Power Supply Bureau proactively coordinated with local government departments to report on the growth of trees along 10kV power line corridors and the associated safety hazards, gaining support for policies and actions [1]. - The local government responded promptly, establishing a collaborative framework for the obstacle-clearing work, characterized by "enterprise-led, government-coordinated, and departmental collaboration" [1]. Group 2: Departmental Collaboration - Various departments played their roles effectively, with the Housing and Urban-Rural Development Bureau initiating the bidding process for construction units to ensure the safety and standardization of the clearing operations [2]. - The Comprehensive Law Enforcement Bureau supervised the tree branch clearing process, ensuring that operations did not disrupt the urban environment and facilitating communication with the public for support [2]. - The Traffic Police Brigade developed traffic diversion plans based on construction road conditions, ensuring orderly traffic flow and safety during the clearing operations [2]. Group 3: Clearing Operations - The clearing action focused on four key 10kV power lines, targeting over 1,200 trees in major power supply areas [3]. - As of February 6, 738 trees had been cleared, with progress on track to complete the most critical areas before the Spring Festival [3]. - The operation aims to ensure a safe and stable power supply for the public during the festive season, allowing residents to enjoy a bright and peaceful celebration [3].

Group 1 - The article discusses the response of the State Grid Shizhu Power Supply Company to severe snowfall and low-temperature conditions, emphasizing their proactive measures to ensure the safety and stability of the power grid [1] - The company deployed personnel to high-altitude areas to conduct special inspections on ice-covered power lines, utilizing a newly operational fixed ice observation station to monitor ice conditions in real-time [1] - The observation station is equipped with innovative devices to collect critical data on ice thickness, ice type, and growth trends, which aids in making informed decisions regarding ice melting and removal [1] Group 2 - The company plans to enhance ice monitoring and analysis as the Spring Festival approaches and electricity demand increases, combining technological solutions with manual inspections for comprehensive safety measures [2] - The integration of technology and human efforts is aimed at ensuring the power grid operates safely and stably, allowing residents to have a warm and well-lit winter [2]

Group 1 - A new round of rain, snow, and freezing weather is impacting the entire Anhui province starting January 19, posing challenges to the safety and stability of the power grid and reliable electricity supply [1] - State Grid Anhui Electric Power Company has activated a Level IV emergency response, deploying 745 emergency repair teams, 8,320 personnel, and 2,111 vehicles to ensure uninterrupted electricity supply for production and daily life [1] - The company has mobilized 102 power generation vehicles, 670 generators, 22 ice-melting devices, 15 ice-melting vehicles, and 71 de-icing devices to address the extreme weather conditions [1] Group 2 - The ±800 kV Ling Shao line segment is a critical area for frost prevention due to frequent cold and warm air flow interactions, with monitoring personnel stationed for 24-hour observation [2] - A total of 61 "ice observation elves" and 30 tension ice-sensing devices have been deployed along the ice-prone corridor, integrating multi-source meteorological information for real-time tracking and intelligent early warning of ice formation [2] - During the cold wave, the company has conducted drone inspections on high-altitude lines and traction station supply lines, successfully addressing 95 defect hazards [2]

Group 1 - Jiangsu Changzhou is experiencing a cold wave and the first snowfall of 2026, impacting production, transportation, and agricultural activities [1] - The Tianmu Lake Strawberry Garden in Changzhou, a key supplier of winter strawberries in the region, has a planting area of over 260 acres and an annual production of 450,000 pounds of strawberries [1] - To mitigate the adverse effects of the cold wave on agricultural production, the local power company has conducted inspections and maintenance of greenhouse facilities, ensuring proper heating and safety measures are in place [1] Group 2 - The State Grid Changzhou Power Supply Company has organized personnel to inspect transmission lines vulnerable to severe weather, focusing on areas with past ice accumulation [2] - The company employs drones and monitoring systems to conduct 24-hour surveillance of high-voltage lines, ensuring rapid response to emergencies and minimizing the impact of freezing weather on the power grid [2]

Core Viewpoint - The company has effectively responded to extreme weather conditions, ensuring stable electricity supply and safety for residents during a significant cold wave and snowfall in Heze City [1][2]. Group 1: Emergency Response and Safety Measures - The company activated an emergency plan to maintain the safety and stability of the power grid, ensuring that residents have access to heating during the cold wave [1]. - A de-icing operation was conducted at the 220 kV Yaodu Station to enhance emergency response capabilities, utilizing controlled direct current to melt ice on high-voltage lines [2]. - The company employed drones for detailed inspections of power lines in areas prone to ice accumulation, ensuring real-time monitoring of line conditions [4]. Group 2: Equipment Monitoring and Maintenance - The company increased the frequency of infrared temperature checks on equipment to prevent overheating during rain and snow, ensuring the safety of critical substations [4]. - A comprehensive inspection of distribution networks, transformers, and other equipment was conducted prior to the cold wave, focusing on vulnerable areas such as old neighborhoods and rural grids [6]. - During the cold wave, 32 repair teams with over 430 personnel were on standby to address any faults quickly, ensuring minimal disruption to residents' heating needs [6]. Group 3: Community Support and Services - The company initiated a "Warm Heart Visit" campaign to check on vulnerable customers, including elderly residents and welfare institutions, ensuring their heating systems were functioning properly [8]. - Specialized teams were deployed to agricultural areas to ensure the safety and stability of electricity supply for heating and lighting in greenhouses during low nighttime temperatures [10]. - The company is committed to closely monitoring weather changes and load trends to enhance equipment monitoring and emergency preparedness, ensuring reliable power supply throughout the winter [10].

Group 1 - Gansu Province issued a blue cold wave warning on December 31, with significant snowfall in the Hexi region, posing challenges to the safe and stable operation of the power grid [1] - State Grid Gansu Electric Power Company responded quickly to ensure reliable power supply during the New Year period, launching a campaign to safeguard electricity supply amid rain, snow, and freezing weather [1] Group 2 - State Grid Qingyang Power Supply Company organized staff for inspections of power grid equipment under snowy conditions, emphasizing early prediction, deployment, and action based on precise weather forecasts [3] - The company issued 34 blue warnings and assigned 79 tasks for emergency response, ensuring accountability for power supply [3] - A 700-member emergency repair team was formed, with 193 emergency vehicles, 58 generators, and various other emergency supplies prepared to respond quickly [3] Group 3 - The company installed ice monitoring devices in key areas and set up observation points to prevent ice accumulation on power lines, with no significant icing reported so far [4] - Focused on critical areas, the company conducted regular maintenance and inspections of power grid equipment to prevent external damage and ensure safety [4] - The power grid in Gansu is currently operating safely and steadily, with ongoing monitoring of weather changes to address any emergencies [4]

Group 1 - The company issued a blue warning for rain, snow, and ice due to cold air, activating an emergency response mechanism to ensure the stability of the power grid and uninterrupted electricity supply for residents [1] - An emergency meeting was organized to analyze potential risks such as ice accumulation on lines, reduced equipment insulation, and external damage, with a focus on the goals of "preventing ice, preventing faults, and ensuring power supply" [1] - The new emergency command system was utilized to issue the blue warning, ensuring seamless communication of the warning to all departments and frontline maintenance personnel [1] Group 2 - The company deployed three emergency repair teams and ensured the availability of emergency supplies such as generators and ice-melting devices to respond quickly to any faults [2] - User safety tips were disseminated through SMS and social media to raise awareness about the risks associated with the weather [2] - A total of 11 specialized repair teams, 76 repair personnel, and 17 repair vehicles were mobilized, completing inspections of 20 lines and 13 substations without any reported ice accumulation or damage [2]

Group 1 - The company has undertaken an urgent upgrade of the 10 kV 933 private line's main cable to ensure stable power supply during extreme cold weather, addressing the increased load due to winter heating demands [1][2] - The existing cable's capacity was nearing its limit, posing a potential bottleneck for reliable power supply, prompting the company to upgrade to a higher capacity cable to enhance load-bearing capability and operational stability [1] - The upgrade was executed under harsh weather conditions, with a focus on safety and strict adherence to risk management measures, showcasing the company's commitment to quality and efficiency [1][2] Group 2 - This cable upgrade is a proactive measure by the company to meet the challenges of winter power supply, reflecting its responsibility to ensure reliable electricity for the community [2] - The entire process demonstrated the company's determination and execution capability in safeguarding the power grid's safety [2] - The company plans to continue enhancing monitoring and maintenance of the power grid to ensure reliable electricity supply for households during winter [2]