广袤的戈壁滩上，银白色的风机叶片缓缓转动，深蓝色的光伏板阵列铺展。近700座银灰色铁塔向 远方蜿蜒——6月10日，哈密—重庆±800千伏特高压直流输电工程投产送电。约0.007秒，新疆的电能便 可抵达2260公里外的重庆市渝北换流站。 在哈密巴里坤换流站，有14台±800千伏换流变压器，单台容量约40万千瓦，堪称"电力心脏"。"这 些换流变压器实现100%国产化，整个换流站整体设备国产化率超90%。"国家电网有限公司特高压建设 分公司巴里坤换流站工程业主项目副经理徐嘉阳说。 工程有316公里线路、611座铁塔位于新疆的三塘湖—淖毛湖风区，全年8级及以上大风天气多达115 天。"为了增加工程抗风性，我们对大风区铁塔进行了优化设计，塔头尺寸更大，导线、金具及铁塔能 承受的风荷载也更大。"徐嘉阳介绍。 在山高路陡的东天山，使用7条索道横跨山谷组成运输塔材的"空中走廊"，运输周期从15天缩短至5 天；在重冰区、运维困难区段，采用高强度铝合金锻造的固态模锻间隔棒，强度为铸造材料的2倍以 上；在戈壁碎石土区域，创新开展表层砾幕剥离，工程完工后再回覆，有效防治水土流失……各项新技 术新工艺，提高了施工效率、破解了施工难题。 ...

Core Viewpoint - Inner Mongolia's Hohhot City is leveraging "green electricity + industrial foundation" to address pain points in the aluminum processing industry, reduce enterprise costs, and become a preferred location for industrial transfer, aiding in the establishment of a national green aluminum industry base [1]. Group 1: Industrial Development - Hohhot City has a primary aluminum production capacity of 2.7 million tons, accounting for 6.5% of the national total and 45% of Inner Mongolia's output, with a local primary aluminum conversion rate of 94% [5]. - The local aluminum foil processing enterprise has produced over 40,000 tons of aluminum foil products since its launch in January, with a daily production capacity of 200 tons and an annual processing capacity of 100,000 tons [4]. Group 2: Energy and Cost Efficiency - The region has over 5 million kilowatts of approved new energy projects, utilizing a "wind-solar-fire-storage" multi-energy complementary model to stabilize production and significantly reduce electricity costs for enterprises [5]. - The local power company plans to supply 1 billion kilowatt-hours by 2025, with green electricity accounting for over 50% of the total supply [5]. Group 3: Environmental Standards and Sustainability - Hohhot City has established dual access standards for energy consumption and environmental protection, with plans to implement 39 industrial technological transformation projects in 2024, aiming to reduce carbon dioxide emissions by 3.4 million tons [6]. - The city is actively promoting the restoration of waste dump sites and enhancing the recycling of industrial waste, aiming for sustainable development that balances industrial growth with ecological protection [6].

Core Viewpoint - Ningxia is accelerating the construction of a multi-energy complementary pattern of "wind, solar, fire, and storage" to provide stable, clean, and efficient power support for the "Ning Electric into Hunan" project [1] Group 1: Project Developments - The Guoneng Zhongwei Power Plant expansion project, which includes the construction of four 660,000 kW ultra-supercritical coal-fired generating units, is progressing rapidly since its groundbreaking on April 26, 2023 [2] - The first two units are expected to be operational by December 2025, with all four units projected to be completed by March 2026, ensuring the timely operation of the "Ning Electric into Hunan" corridor [2] - The project aims to utilize advanced ultra-supercritical technology to create a reliable power station with low carbon emissions and flexible peak-shaving capabilities [2] Group 2: Renewable Energy Initiatives - The Zhongwei 3 million kW photovoltaic composite project, located in the Tengger Desert, is China's first large-scale energy base to receive dual approvals, with a total investment exceeding 15.6 billion yuan [3] - The first phase of the photovoltaic project has achieved full capacity grid connection, and the second phase has recently been put into operation, marking significant progress [3] - Once fully operational, the photovoltaic project is expected to generate an annual average of 5.9 billion kWh, complementing the Guoneng Zhongwei coal power project to form a synergistic supply pattern of "wind, solar, fire, and storage" [3]

Core Insights - The establishment of the full vanadium flow battery energy storage project by HuanTai Storage in Guazhou County is significant for addressing local renewable energy consumption challenges and promoting a multi-energy complementary structure [3] Group 1: Project Overview - HuanTai Storage's full vanadium flow battery project is located in the modern high-capacity industrial park at Beida Bridge, with production facilities actively manufacturing batteries for the national renewable energy market [1] - The project was initiated through a strategic partnership with Guazhou County in November 2021, marking a milestone in local energy storage development [3] Group 2: Support and Services - State Grid Jiuquan Power Supply Company has been providing comprehensive support throughout the project, ensuring stable and reliable electricity supply to facilitate efficient operations [3] - The company has implemented 26 major grid optimization adjustments and 67 risk management measures to enhance grid safety and reliability [3] Group 3: Renewable Energy Development - The renewable energy generation in the region has increased by 7.19% year-on-year, supported by coordinated maintenance of 112 renewable energy stations [3] - A dynamic energy efficiency model has been established to enhance grid flexibility, with a demand-side response capacity of 167,000 kW identified through enterprise visits [3] Group 4: Future Focus - The State Grid Jiuquan Power Supply Company aims to continuously optimize the grid structure and improve power supply services to support the growth of green storage enterprises [4] - The company is committed to contributing to carbon peak and carbon neutrality goals while promoting high-quality local economic development [4]

Core Viewpoint - The Hami-Chongqing ±800 kV UHVDC project has been put into operation, significantly enhancing the electricity transmission capacity from Xinjiang to Chongqing, with a distance of 2260 kilometers covered in approximately 0.007 seconds [1][2]. Group 1: Energy Supply and Demand - The electricity demand in Chongqing has been growing at an annual rate of 6%, with a projected growth rate of 11% in 2024, while Xinjiang is rich in energy resources, making it a crucial source for electricity transmission to the east [2]. - The project includes 14.2 million kW of power sources, with over 10.2 million kW coming from wind, solar, and thermal energy, resulting in a renewable energy installation ratio exceeding 70% [2]. Group 2: Technological Innovations - The project faced challenges such as harsh environmental conditions and complex construction logistics, but innovative technologies were employed to enhance construction efficiency and address difficulties [3]. - The ±800 kV converter station in Hami features 14 converters, each with a capacity of approximately 400,000 kW, achieving over 90% localization of equipment [3]. Group 3: Economic Impact - The Hami-Chongqing project has stimulated over 100 billion yuan in upstream and downstream investments, creating more than 10,000 jobs directly related to the project and over 30,000 jobs in related sectors such as equipment manufacturing and energy services [4]. - Hami has developed a wind power equipment manufacturing base, with local supply rates exceeding 70%, significantly boosting the output value of the power transmission and transformation equipment manufacturing industry by 20 billion yuan [4].

Core Points - The Hami-Chongqing ±800 kV UHVDC project is a significant infrastructure initiative aimed at transmitting clean energy from Northwest China to Chongqing, covering a distance of approximately 2,290 kilometers and passing through five provinces [2][4] - The project boasts a high proportion of renewable energy, with over 70% of its 14.2 million kW capacity coming from wind, solar, and thermal sources, setting a new record for similar projects [3][4] - Upon completion, the project is expected to deliver 36 billion kWh of electricity annually to Chongqing, significantly reducing coal consumption and CO2 emissions [4] Investment and Economic Impact - The Hami UHVDC project has an investment of 28.6 billion yuan, which has stimulated over 100 billion yuan in upstream and downstream investments, creating more than 40,000 jobs [8][9] - The project is fostering the growth of the renewable energy equipment manufacturing industry in Hami, with local production of wind power equipment contributing to a 20 billion yuan increase in the output value of the power transmission and transformation equipment manufacturing sector [9] - The establishment of a comprehensive industrial chain from research and development to operation and maintenance is being facilitated by the project, promoting a green economy in the region [9] Technological Innovations - The project employs advanced technologies to address extreme weather challenges, including a new double-arm support technology that enhances wind resistance by 50% and improves construction efficiency [5][6] - The use of domestically produced ±800 kV converter transformers, with a capacity of approximately 400,000 kW each, highlights the project's commitment to local manufacturing [7] Future Developments - The project is part of a broader strategy to transform Xinjiang into a national energy security base, with plans for additional UHVDC and AC transmission channels to further leverage the region's resource advantages [9]

Group 1 - The Tieling County Wind Power New Energy Equipment Manufacturing Project is part of a larger initiative in Tieling City aimed at integrating multiple energy sources, with a total investment of 2.24 billion yuan [1][2] - The project is being developed by Mingyang New Material Technology (Tieling County) Co., Ltd. and Tieling Ticheng New Energy Development Co., Ltd., and is structured in three phases [1] - The first phase of the project is nearing completion, with the production facilities, including the blade factory and comprehensive building, already constructed [1] Group 2 - The blade factory is the largest single wind turbine blade production facility in the province, measuring 650 meters in length, 151 meters in width, and 24 meters in height, covering an area of 100,000 square meters [1][2] - Upon completion of the first phase, the project is expected to produce 1,200 wind turbine blades and 10,000 nacelle covers annually, generating an annual output value of 1.2 billion yuan and tax revenue of 50 million yuan, while creating 1,500 jobs [2]