新华财经北京11月25日电 题：一度电的担当！新型电力系统让绿能"超长续航" 新华社记者宋晨 内蒙古毛乌素沙地深处，小雪节气后，寒风凛冽。放眼望去，沙地中一排排整齐高大的风机迎风旋转， 形成独特景观。这里产出的绿色电能，正通过特高压直流输电的一条"动脉"，日夜不绝送往山东。 国家电网±800千伏伊克昭换流站，"蒙电入鲁"的换流起点，也是西电东送，助力节能减排的大通道之 一。 "迎峰度冬期间，我们站日均送电量约1.6亿千瓦时，可满足约2500万户家庭每天用电需求。"该站副站 长冯裕山说，自换流站运行以来，累计向山东地区送电超过2300亿千瓦时。 一度"绿电"，发得出，也要接得住、用得好。 "塞上的电"正在点亮"三湘的灯"。宁夏—湖南±800千伏特高压直流输电工程于今年投产送电，作为我国 首条获批、以输送"沙戈荒"风电光伏大基地新能源为主的"电力高速公路"，每年可向湖南输送电量超 360亿千瓦时。 湖南张家界核心景区的充电站内，数十台纯电动摆渡车依次停靠，通过新投运的充电桩快速补充电能。 该景区负责人表示，即便是旅游高峰期，景区电力也有了保障。 发展尖端科技，守护人间灯火。 "十五五"规划建议提出，着力构建新型电 ...

新华社北京11月25日电 题：一度电的担当！新型电力系统让绿能"超长续航" 新华社记者宋晨 内蒙古毛乌素沙地深处，小雪节气后，寒风凛冽。放眼望去，沙地中一排排整齐高大的风机迎风旋转，形成独特景观。这里产出的绿色电 能，正通过特高压直流输电的一条"动脉"，日夜不绝送往山东。 国家电网±800千伏伊克昭换流站，"蒙电入鲁"的换流起点，也是西电东送，助力节能减排的大通道之一。 "迎峰度冬期间，我们站日均送电量约1.6亿千瓦时，可满足约2500万户家庭每天用电需求。"该站副站长冯裕山说，自换流站运行以来，累计 向山东地区送电超过2300亿千瓦时。 这是2025年8月19日拍摄的国家电网有限公司宁夏—湖南±800千伏特高压直流输电工程（"宁电入湘"工程）配套新能源项目 （无人机照片）。新华社记者 冯开华 摄 今年以来，26兆瓦级海上风电机组在山东并网发电，实现了从设计到制造的全国产化；川西高原雅砻江中游两座总装机270万千瓦的水电站同 步截流……重大工程不断创新技术，为绿电"发得出"提供多元支撑。 以特高压为骨干网架、区域间高效互联的能源交通网，则"接得住"绿电，让更多绿色能源实现大范围优化配置。截至目前，国家电网跨省 ...

Core Insights - The article highlights the achievements of Dongfang Electric Group in the energy equipment manufacturing sector, showcasing its transition from a lagging position to a leading global player in the industry [1][2][5]. Group 1: Company Achievements - Dongfang Electric Group is recognized as one of the largest energy equipment manufacturing enterprises globally, with its power generation equipment output ranking among the top in the world for 20 consecutive years [1]. - The company has developed several significant projects, including the world's largest single-unit capacity hydropower generator at 1000 MW and the 26 MW offshore wind turbine, which is the largest in the world [1][5][6]. - The successful development of the 10 MW direct-drive offshore wind turbine in 2019 marked a significant technological leap, followed by the introduction of the 18 MW and 26 MW models in subsequent years [5][6]. Group 2: Historical Context and Development - The foundation of Dongfang Electric Group dates back to 1958, during China's third-line construction, leading to the establishment of the Deyang Hydropower Equipment Factory [2]. - The company played a crucial role in the construction of the Gezhouba Dam in the 1970s, overcoming significant technical challenges to produce a 170 MW hydropower generator [2][3]. - During the construction of the Three Gorges Project, Dongfang Electric Group independently tackled major technical issues, achieving breakthroughs that significantly improved the performance of hydropower generators [3][4]. Group 3: Technological Innovations - The company has made significant advancements in addressing vibration issues in hydropower generators, leading to a 70% reduction in electromagnetic vibration and a 5 dB decrease in noise levels [3][4]. - Dongfang Electric Group has developed proprietary technologies that have outperformed foreign competitors, demonstrating its capability in the energy equipment sector [4][5]. - The emphasis on innovation and self-reliance has been a driving force behind the company's success, aligning with national strategic needs and contributing to energy security [6].

Core Insights - Shandong Province is accelerating green and low-carbon energy development during the "14th Five-Year Plan" period, focusing on energy technology innovation and equipment industry development [1][2] Group 1: Energy Technology Innovation - The energy system in Shandong is leveraging technology innovation as a strategic priority, achieving significant breakthroughs in major technology challenges and advanced equipment promotion [1] - Shandong has established a tiered innovation platform system, including the establishment of a Nuclear Science and Energy Power College at Shandong University and a national fuel cell technology innovation center led by Weichai Group [1][2] Group 2: Major Technology Demonstration Projects - The "Hydrogen into Thousands of Homes" project has successfully promoted over 2,000 hydrogen fuel cell vehicles, ranking fourth nationally, and established 38 hydrogen refueling stations, ranking second [2] - The "Nuclear Power Future" project has made significant progress in various areas, including the optimization of parameters for "Guohe No. 1" and the development of high-temperature gas-cooled reactor components [2] Group 3: Innovative Achievements - Shandong has produced the world's longest 150-meter offshore wind turbine blades and the largest 26 MW offshore wind turbine, capable of supplying electricity to 55,000 households annually [3] - Weichai Power has developed the world's first high-power commercial solid oxide fuel cell with an efficiency of 92.55%, setting a global record [3] Group 4: New Energy Equipment Industry Development - The new energy equipment industry in Shandong is advancing with differentiated and coordinated development, establishing major offshore wind power equipment manufacturing bases [4] - The lithium battery industry chain is nearly complete, with simultaneous development of solid-state, sodium, and flow batteries [4]

山东省东营经济技术开发区的东营风电装备测试认证创新基地，26兆瓦级海上风电机组叶轮缓缓转 动，监控屏幕上电流数据稳步攀升。29日，该机组成功并网，正式向电网输送清洁电力。 东方电气风电股份有限公司风电研究设计院党委书记兼副院长羊森林介绍，该机组由东方电气集团 自主研制，创下了全球已并网风机中单机容量与叶轮直径两项世界纪录，并且实现了从设计到制造的全 国产化。它由3万余个零部件构成，其叶轮直径超过310米，扫风面积相当于10.5个标准足球场，轮毂中 心高度超过50层楼。 据了解，在满负荷运行状态下，该机组风轮每旋转一圈可发电62千瓦时。在年平均风速10米/秒的 条件下，单台机组年发电量可达1亿千瓦时，可满足5.5万户家庭的全年用电需求，相当于节约标准煤3 万吨、减少二氧化碳排放8万吨。 据介绍，东营风电装备测试认证创新基地于今年5月正式投用，在临海区域规划建设了12个大功率 风电测试机位，配套建设了机位基础、输电线路和综合试验中心等基础设施，形成了完整的风电试验检 测体系，有效缩短了机型认证周期、降低了企业研发成本，成功破解了行业长期面临的"认证难、周期 长、成本高"难题。目前，基地已有5家国内风电主机十强企业 ...

Core Insights - The successful grid connection of the world's largest 26 MW offshore wind turbine by China Dongfang Electric Group marks a significant achievement in the high-end equipment manufacturing sector for offshore wind power, establishing China's leading position globally [1][2] Group 1: Technological Advancements - The 26 MW offshore wind turbine has achieved breakthroughs in key technologies such as gearbox, generator, and electrical control systems, showcasing China's strong independent innovation capabilities in the renewable energy sector [1] - The turbine's rotor generates 62 kWh of clean electricity with each rotation at full load, demonstrating exceptional efficiency [2] Group 2: Environmental Impact - Under average wind conditions of 10 m/s, a single unit can produce an annual electricity output of 100 million kWh, sufficient to meet the annual electricity needs of 55,000 average households [2] - The operation of this turbine is expected to save over 30,000 tons of standard coal and reduce carbon dioxide emissions by over 80,000 tons, contributing significantly to environmental sustainability [2]

Core Viewpoint - The successful grid connection of the world's largest 26 MW offshore wind turbine in Shandong marks a significant advancement in clean energy technology and showcases China's capabilities in wind power manufacturing [1] Group 1: Company Achievements - The 26 MW offshore wind turbine was developed by Dongfang Electric Corporation, achieving two world records for single unit capacity and rotor diameter among grid-connected wind turbines [1] - The turbine consists of over 30,000 components, with a rotor diameter exceeding 310 meters, equivalent to the area of 10.5 standard football fields [1] Group 2: Industry Impact - The successful integration of this turbine into the grid represents a major step forward for the offshore wind power industry, emphasizing the potential for large-scale clean energy production [1] - The project demonstrates full domestic production capabilities, from design to manufacturing, highlighting advancements in China's renewable energy sector [1]

Core Viewpoint - The successful grid connection of a 26 MW offshore wind turbine in Dongying, Shandong Province marks a significant advancement in clean energy generation and showcases China's capabilities in wind power technology [1][2]. Group 1: Technological Achievements - The wind turbine, developed by Dongfang Electric Group, sets two world records for single unit capacity and rotor diameter among grid-connected wind turbines [2]. - The rotor diameter exceeds 310 meters, with a swept area equivalent to 10.5 standard football fields, and the hub height surpasses that of a 50-story building [2]. Group 2: Energy Production and Environmental Impact - Under full load operation, the turbine can generate 62 kWh of electricity per rotation, with an annual output of up to 100 million kWh at an average wind speed of 10 m/s, sufficient to power 55,000 households for a year [2]. - This production equates to a reduction of 30,000 tons of standard coal consumption and an 80,000-ton decrease in carbon dioxide emissions annually [2]. Group 3: Infrastructure and Industry Development - The Dongying Wind Power Equipment Testing and Certification Innovation Base, operational since May, features 12 high-capacity wind testing positions and a comprehensive testing system, addressing long-standing industry challenges of certification difficulties, lengthy cycles, and high costs [2]. - The base currently hosts five of the top ten domestic wind turbine manufacturers and four accredited testing organizations [2].

Core Insights - China's self-developed 26 MW offshore wind turbine has successfully connected to the grid in Dongying, Shandong, marking a significant advancement in offshore wind energy technology [1] - The world's first 16 MW floating offshore wind turbine, "Three Gorges Pioneer," has been assembled in Guangxi, showcasing China's capabilities in deep-sea wind energy [4] Offshore Wind Power Development - The 26 MW offshore wind turbine features a hub height equivalent to over 50 stories and a rotor diameter exceeding 310 meters, making it the largest single-unit capacity offshore wind turbine globally [1] - This turbine can generate 100 million kWh annually under average wind speeds of 10 m/s, sufficient to power 55,000 households and reduce CO2 emissions by over 80,000 tons [1] - The "Three Gorges Pioneer" is designed to withstand typhoons and will be installed 70 km offshore in Guangdong, expected to generate 44.65 million kWh annually, enough for 24,000 households [4] Industry Growth and Capacity - China's offshore wind power capacity accounts for over half of the global total, with significant advancements in technology and manufacturing capabilities [7] - The country has established a comprehensive supply chain for large-capacity wind turbine components, enhancing production efficiency and reducing costs [7] - By 2030, China's offshore wind power capacity is projected to reach 150 million kW, contributing approximately 10% to the electricity consumption in eastern coastal regions [7]

Core Viewpoint - The successful grid connection of China's self-developed 26 MW offshore wind turbine marks a significant milestone in renewable energy, setting two world records for single-unit capacity and rotor diameter [1][3]. Group 1: Technical Specifications - The 26 MW offshore wind turbine has a hub height equivalent to over 50 stories and a rotor diameter exceeding 310 meters, with a swept area larger than 10.5 standard football fields, making it the largest in the world in terms of both capacity and rotor size [3]. - When operating at full capacity, the turbine generates 62 degrees of clean electricity with each rotation [5]. Group 2: Environmental Impact - Under average wind conditions of 10 meters per second, the turbine can produce an annual electricity output of 100 million degrees, sufficient to meet the annual electricity needs of 55,000 average households [5]. - The operation of this turbine is projected to save over 30,000 tons of standard coal and reduce carbon dioxide emissions by more than 80,000 tons, supporting China's transition to a greener and low-carbon energy structure [5].