中新网南宁2月15日电(林艳华 韦露 党永南 刘恒)记者从南方电网广西电网公司获悉，截至2月12日，广 西电网1975项迎峰度冬、防冰加固、台区改造等基建项目已全部建成投产，助力八桂千家万户温暖亮堂 过大年，为民生保障、区域发展和产业升级注入坚实动能。 桂林500千 220千伏漓 荔I线顺利投入运行，为春节的电网安全稳定运行再添一条"动力动脉"。蒙富 摄 110千伏甘村送变电工程，应用"重载无人机+智能照明协同跨越施工"搭建夜间施工"人造太阳"，完成对 铁路、公路夜间窗口期的跨越任务。高光辉 摄 据了解，今年一季度，南方电网广西电网公司将充分发挥重大项目牵引作用，计划完成投资26.53亿 元，同比增长25.85%，安全、有序加快推进500千伏沿海西部通道加强工程、500千伏桂东南网架完善 工程、500千伏国能广投北海电厂二期接入系统工程、500千伏龙潭(玉林三)输变电工程项目等14项省级 重点工程建设，持续夯实广西能源传输"高速路网"。(完) 2月9日，220千伏漓江至荔浦线路工程顺利投运。该线路总长31.8公里，新建铁塔90基，是500千伏漓江 站220千伏配套送出工程最长的线路。该工程的投产，将显著优化桂 ...

Group 1 - The core viewpoint of the news is that State Grid Shanxi Electric Power Company is significantly increasing its investment in 2023, with fixed investments expected to exceed 18 billion yuan, aiming to enhance power supply reliability and support high-quality development in Shanxi [1] - In the first year of the 14th Five-Year Plan, Shanxi's power grid construction is entering a new phase of acceleration, focusing on expanding effective investments and strengthening energy hubs [1] - The company plans to enhance the power supply capacity through the construction of key projects, including the 1000 kV Datong-Tianjin South UHV transmission channel and the 500 kV Jiexiu substation [2] Group 2 - In 2026, the company will focus on reinforcing the Shanxi power grid structure and accelerating the establishment of a new power system to support the construction of a new energy system in Shanxi [2] - The company plans to start construction on 1,205 kilometers of transmission lines at 110 kV and above, with a transformer capacity of 8.04 million kVA, and to put into operation 1,481 kilometers of transmission lines with a transformer capacity of 9.82 million kVA [2] - These efforts aim to optimize the allocation of power resources and better serve Shanxi's green and low-carbon transformation as well as high-quality economic and social development [2]

据新华社太原电（记者王劲玉）近日，山西省运城至景阳220千伏线路带电运行，至此，山西电网16项 迎峰度冬重点电网工程全部投运，提升供电能力约300万千瓦。 据悉，16项迎峰度冬重点电网工程让山西电网的保供能力进一步提升。太原北500千伏主变扩建工程新 增的两台100万千伏安变压器并网运行，有力提升太原北部地区供电能力；运城至景阳220千伏线路工程 投运，进一步改善运城西部主网架结构，增强区域供电可靠性。16项工程总投资超10亿元，涉及山西省 10个地市。 ...

近日，山西省运城至景阳220千伏线路带电运行，至此，山西电网2025年16项迎峰度冬重点电网工程全 部投运，提升供电能力约300万千瓦。 电网工程提升也进一步带动新能源电力保供能力。今年以来山西省风、光资源充足，新能源发电最大出 力占用电负荷比重近70%，可靠的电网传输能力持续推动能源向新向绿转型发展。（新华社） ...

Core Viewpoint - The completion of 16 key winter peak power supply projects in Shanxi Province enhances the power supply capacity by approximately 3 million kilowatts, significantly improving the reliability and efficiency of the electricity grid [1]. Group 1: Project Details - The 16 key projects have been fully operational, contributing to a total investment exceeding 1 billion yuan, and covering 10 cities in Shanxi Province [1]. - The expansion of the Taiyuan North 500 kV main transformer station, with the addition of two 1 million kVA transformers, has notably increased the power supply capacity in the northern region of Taiyuan [1]. - The operation of the 220 kV line from Yuncheng to Jingyang has improved the main grid structure in western Yuncheng, enhancing regional power supply reliability [1]. Group 2: Additional Infrastructure Improvements - The 35 kV capacity expansion project in Quwo Southwest Street has added 40,000 kVA, better meeting the electricity needs of users relying on clean heating during winter [1]. - The State Grid Shanxi Electric Power Company has completed anti-icing modifications on 97 transmission lines in micro-topography and micro-meteorological areas, and installed 437 "ice observation spirits" video devices on 315 transmission lines, significantly improving disaster prevention and response capabilities [1]. Group 3: Renewable Energy Impact - The enhancement of the electricity grid also supports the supply capacity of renewable energy, with wind and solar resources in Shanxi being abundant this year, leading to renewable energy generation accounting for nearly 70% of the peak load [1]. - The reliable transmission capacity of the grid continues to promote the transition of energy towards greener and more sustainable sources [1].

Core Viewpoint - Inner Mongolia Power Group is focused on achieving its annual goals through high-quality power grid construction, aiming to enhance the power grid and support economic growth in the region during the final months of the year [1][10]. Group 1: Project Implementation and Progress - The company plans to implement 901 power grid projects by 2025, with 635 expected to be completed within the year, laying a solid foundation for the "Four Horizontal and Six Vertical" main grid framework [4]. - A special compliance team is actively working to expedite the delivery of key equipment, ensuring that core devices arrive at construction sites ahead of schedule [4]. - The company has successfully completed 14 projects this year, with 13 more under active development, aiming for a successful year-end completion [7]. Group 2: Leadership and Team Efforts - Party members and leaders are taking the lead on construction sites, coordinating progress and safety measures while working long hours to meet tight deadlines [5][7]. - The "Party Member Commando Team" is playing a crucial role in the construction of significant projects, such as the Ula Mountain 500 kV substation, which is nearing acceptance [5]. Group 3: Renewable Energy Integration - The company has completed 23 renewable energy connection projects this year, with 34 currently under construction, supporting the integration of 30 million kW of renewable energy [8]. - The construction of new substations and transmission lines is progressing, with plans for four new 500 kV and four new 220 kV substations to be operational on schedule [10]. Group 4: Strategic Goals and Future Outlook - The company is committed to ensuring the completion of 520 ongoing projects and meeting annual production targets, contributing to the high-quality development of the region's economy [10].

Group 1 - The "2024 Electric Power Construction Project Cost Index (ECCI)" indicates a steady decline in the unit cost of onshore wind power projects over the next three years, while offshore wind power project costs are expected to decrease further and gradually return to reasonable levels [1][2] - China maintains its leading position in renewable energy, with wind power installed capacity ranking first globally for 15 consecutive years and solar power for 10 years. In 2024, the combined installed capacity of wind and solar in China accounts for 47% of the global total, with new installations representing 63% of the global market [1] - The past five years have seen a general increase in the unit costs of thermal power, hydropower, and grid projects due to rising construction site-related investments. In contrast, the unit costs of wind and solar power projects have decreased due to industry development, technological advancements, and a significant drop in equipment material prices [1] Group 2 - Future predictions for the electric power engineering cost index suggest that the unit cost of thermal power projects will remain stable with slight increases, while hydropower costs are expected to rise. Onshore wind power costs will continue to decline, and offshore wind power costs will return to reasonable levels. In contrast, deep-sea wind power costs are projected to increase, and solar power costs will initially decrease before stabilizing [2] - The Ministry of Housing and Urban-Rural Development emphasizes the importance of cost management in engineering as a key area for national economic and social development, advocating for market-oriented reforms, digital thinking, and standardized advancement [2]

Core Insights - The successful electrification of the 500 kV transmission project at the Bala Hydropower Station on June 30 marks the completion of 13 key projects in Sichuan's power grid for the summer peak demand of 2025, significantly enhancing the backbone of the Sichuan power grid and optimizing electricity resource allocation [1][2] Group 1: Project Overview - The 13 key projects include the construction of 704 kilometers of new lines and an additional substation capacity of 9.62 million kVA, which collectively enhance the power supply capacity of Sichuan's grid by 6.55 million kW [1] - The projects are designed to address the anticipated increase in electricity demand due to higher than normal summer temperatures, with a projected year-on-year increase in maximum electricity load of approximately 4% [1] Group 2: Engineering and Safety Management - The State Grid Sichuan Electric Power Company employs a "six precision and four optimization" construction philosophy, focusing on key milestones and scientific organization of construction to ensure safety and efficiency [2] - The company has implemented a combination of "cloud detection and on-site supervision" to manage risks and ensure that construction safety and progress are aligned [2] Group 3: Project Execution Challenges - The Bala Hydropower Station project faced significant challenges due to adverse weather conditions during its peak construction period, including low temperatures, snow, and heavy rain [2] - Despite these challenges, the project was completed four months ahead of schedule, allowing the 746,000 kW of clean hydropower and photovoltaic capacity to be integrated into the Sichuan power grid in time for the summer peak [2]

Core Viewpoint - The construction of key power grid projects in Guangxi is actively progressing during the May Day holiday, with significant advancements in various high-voltage projects aimed at enhancing the region's power supply reliability and supporting high-quality development [1][2]. Group 1: Project Progress - A total of 27 main power grid projects of 220 kV and above and over 100 distribution network construction projects are underway, showcasing a busy and orderly construction site [1]. - The construction progress of the 220 kV external power supply project for the railway traction station in Chongzuo has reached 61%, with the project expected to provide a stable power supply network for high-speed rail operations upon completion [1]. - The Nanning pumped storage power station's 500 kV transmission project is also on track to meet its completion target by the end of May, with high-altitude installation work being conducted [1][2]. Group 2: Innovative Construction Techniques - The projects are utilizing innovative construction methods, including the use of drones for line laying and smart machinery for collaborative construction, which has improved construction efficiency by 30% [1][2]. - In Yulin, the 220 kV construction site is actively advancing earthworks and wall construction, while in Beihai, over 160 construction workers are working in shifts to meet the deadline for the cross-sea interconnection project [2]. Group 3: Economic Impact - The completion of these key power grid projects is expected to significantly upgrade Guangxi's main power grid framework, providing strong support for industrial development and public welfare, thereby injecting robust momentum into the region's high-quality development [2].