中新网湖北新闻1月30日电（裴尧）作为宜昌东部产业新区的重要引擎，"十四五"期间，猇亭区新能源 及高端装备产业逆势突围、多点开花，通过传统产业升级、新兴产业壮大、未来产业培育的梯次发展格 局，实现了从"跟跑"到"并跑"再到"领跑"的跨越，为区域经济高质量发展注入强劲动能。 传统产业升级：技改赋能老牌焕新颜 广汽传祺宜昌基地作为华中地区智能制造标杆工厂，"十四五"期间，产量持续攀升：2021年6月"影 豹"车型下线、2022年2月第10万台下线，2023年6月第20万台下线……截至2025年底，宜昌基地累计产 销量突破49万辆，先后斩获"中国汽车行业标杆智能工厂"等多项殊荣，智能化水平位居行业前列。 "十四五"期间，猇亭区通过技改升级、创新驱动，推动宜化化机、起帆电缆、国诚涂镀板等老牌企业焕 发新活力，筑牢新能源及高端装备产业发展的"压舱石"。 宜化化机投资50.8亿元建设化工装备智能制造项目，项目2024年6月开工建设，分三期推进，整体投产 后，将成为华中地区最大的化工装备制造基地。该项目是湖北省首例50G-PON（50G无源光纤网络）万 兆工厂试点，数字化升级成效显著，供应链流转效率提升50%，整体生产效率 ...

Group 1 - The world's first 35,000-ton heavy-haul group train trial was successfully conducted by Guoneng Baoshen Railway Company, achieving "virtual coupling" without physical connections, marking a significant technological breakthrough in heavy-haul railway development [2] - The first 220 kV submarine cable in the Beibu Gulf, measuring 44.8 kilometers and utilizing domestically produced insulation materials, has been successfully laid, completing a critical phase of the cross-sea interconnection project [2] - Russia plans to develop a megawatt-class nuclear-powered rocket engine prototype by 2030, with significant advancements in over 100 high-tech fields, including nuclear medicine and fusion, and an overseas order total of $200 billion by 2025 [2] - Yufeng Future's 150 kg E40H civil unmanned aerial vehicle system has received a type certificate from the Civil Aviation Administration of China, becoming the first unmanned aerial product to meet airworthiness requirements globally [2]

Group 1 - The 220 kV submarine cable project, the first in China to use domestically produced insulation materials, has successfully completed the critical phase of cable laying, spanning 44.8 kilometers from Weizhou Island to the landing point in Beihai [1][2] - The project, initiated by the Southern Power Grid Guangxi Electric Power Company with an investment of 858 million yuan, includes the construction of a 220 kV substation on Weizhou Island and a new 220 kV line connecting to the Beihai 220 kV Dunhai Station [2] - The power supply capacity for Weizhou Island is set to increase from 35,000 kW to 161,000 kW, utilizing over 70% clean energy from the mainland, which will support the island's green development and enhance the well-being of its residents [2] Group 2 - The project is expected to be completed and put into operation by mid to late January 2026, following the connection of the submarine cable to the land cable and the commissioning of the Weizhou substation [2] - The infrastructure will also facilitate the integration of offshore wind power in the vicinity, providing a crucial transmission pathway for future offshore wind energy projects in the Beibu Gulf [2]

Core Viewpoint - The commencement of the South Power Grid's 220 kV undersea interconnection project marks a significant advancement in the power supply capabilities of Weizhou Island, transitioning from isolated operation to a connected grid system [1] Investment and Financial Summary - The total investment for the undersea interconnection project is approximately 858 million yuan [1] - The project involves the installation of 44.8 kilometers of undersea cable, which is the most complex and critical part of the operation [1] Technical and Operational Details - This project is notable for being the first in China to use domestically produced insulation materials for 220 kV undersea cables [1] - Upon completion, the power supply capacity on Weizhou Island is expected to increase from 35,000 kW to 161,000 kW [1] - The cable laying operation is scheduled to last for 15 days, with the project expected to undergo acceptance testing and commence operation by mid-January 2026 [1]

Core Viewpoint - The construction of the undersea cable for the Nanning Electric Power Grid's cross-sea interconnection project at Weizhou Island is a significant energy project in Guangxi, with a total investment of approximately 858 million yuan, aiming to enhance the power supply stability of Weizhou Island [3]. Group 1: Project Overview - The Weizhou Island cross-sea interconnection project is the first undersea cable project in the Beibu Gulf, involving the installation of a 44.8-kilometer undersea cable from the Beihai 220 kV Duhai Substation to the 220 kV Weizhou Substation [3]. - The project utilizes domestically produced cross-linked polyethylene insulation materials for the first time, addressing a critical technology gap in China's cable industry [3]. Group 2: Technical Aspects - The undersea cable installation involves high technical difficulty and stringent construction requirements due to the complex sea conditions and existing pipelines in the Beibu Gulf [3]. - The installation vessel is equipped with fully automated systems for real-time monitoring of navigation, cable laying tension, and burial depth, ensuring the integrity of the cable during installation [4]. Group 3: Environmental Considerations - The project incorporates environmentally friendly practices, with construction methods designed to minimize disruption to protected marine areas, including the national aquatic genetic resource protection zone and coral reefs around Weizhou Island [4]. - The comprehensive protection construction plan reduces the dredging volume by approximately 60,000 cubic meters, aligning with green construction principles [4]. Group 4: Timeline and Impact - The cable laying operation is scheduled to last for 15 days, with the project expected to be accepted and put into operation by mid-January 2026 [5]. - Upon completion, the project will end the "isolated grid operation" of Weizhou Island, significantly improving the reliability of its power supply [5].

Group 1 - The Southern Power Grid's 220 kV undersea interconnection project for Weizhou Island has commenced cable laying, marking the first domestic use of insulated materials for this voltage level [1] - This project will end the "isolated network operation" of Weizhou Island, providing a strong impetus for the development of the marine economy in Guangxi [1] Group 2 - Upon operation, the project is expected to reduce carbon dioxide emissions by 4,318 tons based on gas-fired power generation calculations [4] - The cost of diesel power generation for local guesthouses, which can reach 300 yuan per hour during peak season, will be significantly reduced by the stable power supply from the grid, leading to lower operational burdens and notable energy-saving and carbon reduction effects [4] Group 3 - The project will also support the integration of offshore wind power near the island, providing a crucial transmission channel for future offshore wind energy in the Beibu Gulf [6] - This initiative aims to establish a new energy support point for the region's maritime development [6]

Core Viewpoint - The first undersea cable project in the Beibu Gulf, the 220 kV undersea interconnection project for Weizhou Island, has officially commenced, marking a significant advancement in domestic energy infrastructure and technology [1][3]. Group 1: Project Overview - The project is initiated by the Southern Power Grid Guangxi Electric Power Company with a total investment of approximately 858 million yuan [3]. - The undersea cable will stretch 44.8 kilometers from the Beihai 220 kV Duhai Substation to the 220 kV Weizhou Substation, with the cable being the first domestically produced 220 kV undersea cable using indigenous insulation materials [1][3]. - The construction of the undersea cable is expected to take 15 days, with the project scheduled for acceptance and operation by mid-January 2026 [3]. Group 2: Technical Innovations - The undersea cable has been developed through collaboration among the Southern Power Grid Scientific Research Institute, Guangxi Electric Power Company, Zhejiang Wanma Polymer Materials Group, and Jiangsu Hengtong High Voltage Cable Co., Ltd., achieving significant breakthroughs in domestic cable insulation technology [3]. - The project will end the "isolated network operation" of Weizhou Island, allowing for 24-hour access to the mainland power grid and addressing the island's insufficient public power supply [3]. Group 3: Environmental Impact - Upon completion, the power supply capacity on Weizhou Island will increase from 35,000 kW to 161,000 kW, which is projected to reduce carbon dioxide emissions by 4,318 tons annually based on gas-fired power generation carbon emissions calculations [3]. - The project will also facilitate the integration of offshore wind power in the vicinity, establishing a crucial transmission channel for future offshore wind energy development in the Beibu Gulf [3].

Core Viewpoint - The Southern Power Grid's 220 kV undersea cable project to Weizhou Island has officially commenced, marking the first domestic use of locally produced insulated materials for such cables, which will end the island's "isolated grid operation" history [1][2]. Group 1: Project Overview - The undersea interconnection project is being constructed by Southern Power Grid Guangxi Electric Power Company with a total investment of approximately 858 million yuan [2]. - The project involves laying 44.8 kilometers of undersea cable from the Beihai 220 kV Duhai Substation to the 220 kV Weizhou Substation, with the cable installation expected to last 15 days [2]. - The project is anticipated to be accepted and operational by mid-January 2026 [2]. Group 2: Technological Advancements - The undersea cable has been jointly developed by Southern Power Grid Scientific Research Institute, Guangxi Electric Power Company, Zhejiang Wanma Polymer Materials Group Co., Ltd., and Jiangsu Hengtong High Voltage Undersea Cable Co., Ltd., achieving significant breakthroughs in domestic cable insulation technology [2]. Group 3: Impact and Benefits - Once operational, the power supply capacity on Weizhou Island will increase from 35,000 kW to 161,000 kW, addressing the island's public power supply shortages [2]. - The project is expected to reduce carbon dioxide emissions by 4,318 tons annually based on gas-fired power generation carbon emissions calculations [2]. - The interconnection will also support future offshore wind power integration in the Beibu Gulf, establishing a new energy hub [2].

Core Viewpoint - The commencement of the 220 kV undersea interconnection project for Weizhou Island marks a significant advancement in the energy infrastructure of the Beibu Gulf, utilizing domestically produced insulation materials for the first time in China [1][6]. Group 1: Project Overview - The undersea cable laying operation began on December 16, with the deployment of the cable ship in the designated area near Weizhou Island [1]. - This project will end the "isolated grid operation" of Weizhou Island, providing a robust power supply that will stimulate the development of the marine economy in Guangxi [1]. Group 2: Environmental Impact - Upon operation, the project is expected to reduce carbon dioxide emissions by 4,318 tons based on calculations related to gas-fired power generation [4]. - The transition from diesel generators, which cost 300 yuan per hour during peak season for local guesthouses, to a stable power grid will significantly lower operational costs and enhance energy efficiency [4]. Group 3: Future Potential - The project will also support the integration of offshore wind power in the vicinity, establishing a crucial transmission channel for future offshore wind energy development in the Beibu Gulf [6].

Core Viewpoint - The commencement of the 220 kV undersea cable project for Weizhou Island marks a significant advancement in energy infrastructure, utilizing domestically produced insulation materials and aiming to enhance the economic development of Guangxi while reducing carbon emissions [1] Group 1: Project Details - The undersea cable project is the first of its kind in China to use domestically produced insulation materials for 220 kV undersea cables [1] - The project began with the cable-laying vessel entering the designated area near Weizhou Island on December 16 [1] Group 2: Environmental Impact - Upon operation, the project is expected to reduce carbon dioxide emissions by 4,318 tons based on calculations from gas-fired power generation [1] - The project will replace the high cost of diesel power generation, which can reach 300 yuan per hour during peak seasons for local accommodations, with stable grid power, significantly lowering operational costs [1] Group 3: Future Prospects - The project will also support the integration of offshore wind power near the island, providing a crucial transmission channel for future offshore wind energy development in the Beibu Gulf [1] - It aims to establish a new energy hub that aligns with the region's maritime economic ambitions [1]