中新网舟山10月23日电 (刘子琳)"我很高兴看到中国正在推进百兆瓦级的潮流能项目，这对于全球潮流 能发展而言具有示范意义。"国际能源署OES(海洋能源系统)执行主席马蒂斯·苏埃德(Matthijs Soede)说。 10月22日，首届海洋潮流能发展大会在浙江舟山岱山举行。 "潮流能是当前最具市场化前景的海洋能技术之一。目前全球潮流能资源主要集中在欧洲和北美，但中 国在技术创新和装备制造上具有明显优势。"国家海洋技术中心研究员王冀说，"通过百兆瓦级示范工 程，我们有机会催熟一批具备国际竞争力的技术与装备，进入欧美市场，成为全球海洋能产业链的重要 参与者。" 舟山作为中国首个以海洋经济为主题的国家级新区，地处东部"黄金海岸线"与长江"黄金水道"交汇处， 海域辽阔、岛屿众多，海洋资源禀赋得天独厚，在发展海洋潮流能方面优势明显。据勘查评估，舟山海 域可开发利用的潮流能总量达到全国的50%以上。 依托这一资源优势，近年来舟山积极推进潮流能等海洋清洁能源开发。其中，位于岱山秀山岛的浙江 LHD海洋潮流能发电站，其研发团队提出并验证"平台化＋模块化"的海洋潮流能利用技术路径，突破潮 流能机组大功率稳定并网技术。截至今年9 ...

Core Viewpoint - The National Ocean Technology Center has successfully passed the power parameter capability verification organized by the China National Institute of Metrology and Shanghai Electrical Equipment Testing Co., Ltd, enhancing its testing service capabilities in the field of marine energy generation [1] Group 1: Capability Verification - The capability verification focuses on core power parameters in marine energy generation device testing, including harmonic voltage, harmonic current, power, and frequency deviation [1] - The successful verification strengthens the CMA qualification effectiveness of the National Ocean Technology Center in the detection of marine energy generation devices [1] Group 2: Future Development - The center aims to continue focusing on the marine energy generation field, enhancing its testing service capabilities to support the operationalization of the national marine comprehensive test site and promote marine technology innovation and industrialization [1]

Core Viewpoint - The development of China's marine economy must focus on high-quality growth and innovation, as emphasized by President Xi Jinping during the Central Financial Committee meeting [1] Group 1: Marine Economy Development - The Ministry of Natural Resources and the National Development and Reform Commission have released 19 tasks and policy measures to promote the large-scale utilization of marine energy [1] - The "Penghu" platform, China's first semi-submersible wave energy aquaculture platform, demonstrates how to achieve green power supply and intelligent deep-sea aquaculture [1] Group 2: Aquaculture Innovations - The "Penghu" platform has successfully harvested 150,000 pounds of the valuable fish species, red drum, showcasing its effectiveness in aquaculture [4] - The platform's design allows for a significant reduction in labor, with the operational workforce decreasing from five to two for one "Penghu" platform, and from nine to three for the larger "Gesheng 1" platform [3][4] Group 3: Technological Advancements - The "Penghu" platform is equipped with a wave energy generation system of 60 kW and solar power generation of 60 kW, along with energy storage devices and automated feeding systems [3] - The research and development of wave energy technology began over 40 years ago, with significant advancements made since 2010, including the establishment of a marine renewable energy fund [6][7] Group 4: Resilience and Future Plans - The "Penghu" platform successfully withstood the impact of Super Typhoon "Sula," demonstrating its stability and resilience in extreme weather conditions [10][11] - Future plans include the development of a large floating multi-energy complementary platform that integrates wave, wind, and solar energy, aiming to enhance economic efficiency and sustainability in marine operations [11]

Core Viewpoint - The article highlights the innovative practices in Zhejiang, China, focusing on ecological economy through clean energy generation, waste recycling, and environmental restoration, showcasing a model for high-quality development that integrates nature conservation with economic growth [2][5]. Group 1: Clean Energy Generation - The Zhejiang LHD ocean current power station, developed independently by China, is recognized as the world's first operational ocean current power station, generating over 783,000 kilowatt-hours of electricity [3][5]. - The project has achieved a significant reduction in energy costs, with the cost per kilowatt-hour decreasing from 106 yuan to 1.1 yuan, aiming to further reduce it to 0.3 yuan, making it competitive with traditional coal power [5][6]. Group 2: Waste Recycling and Environmental Restoration - The "blue circular economy" initiative in Taizhou involves the collection and recycling of marine plastic waste, transforming it into high-value consumer products, with 54,500 tons of plastic waste recovered to date [6][9]. - The ecological restoration efforts in Wuyi County's Tantou Village have led to a transformation from polluted land to beautiful wetlands, resulting in a 168% increase in collective economic income and a 70% rise in per capita disposable income for villagers [8][9].

Core Insights - The "Nankun" floating wave energy generator, developed in China, is the world's first megawatt-level device of its kind, capable of generating an average of 10,000 kWh daily, sufficient to power approximately 1,500 households [1] - The global potential for wave energy is estimated to be between 2 billion to 3 billion kW, which could exceed the capacity of 100 Three Gorges Hydropower Stations [1] - The device utilizes adaptive wave energy technology to optimize energy capture efficiency, achieving approximately 28%, which is considered internationally leading [2] Group 1: Technology and Design - The "Nankun" is designed in a triangular shape to maximize wave absorption while maintaining stability [2] - It features a self-adaptive system that adjusts the generator's operation based on wave size, ensuring continuous and stable electricity generation [2] - The device has been tested against severe weather conditions, including typhoons, and can withstand waves up to 5.5 meters high [2] Group 2: Industry Context and Future Plans - China's installed capacity for wave energy, tidal energy, and ocean current energy ranks first, second, and third globally, respectively, indicating a strong position in marine renewable energy [2] - The government aims to achieve an installed capacity of 400,000 kW for ocean energy by 2030, promoting pilot projects to enhance industry development and cost reduction [3] - The National Energy Administration plans to conduct resource surveys and promote the development of marine energy alongside offshore wind power to improve efficiency [3]

Core Insights - The "Nankun" floating wave energy generator, developed in China, is the world's first megawatt-level device of its kind, capable of generating an average of 10,000 kWh daily, sufficient to power approximately 1,500 households [1][2] Group 1: Technology and Design - The "Nankun" device features a triangular design to maximize wave absorption while maintaining stability, and employs adaptive wave energy generation technology to adjust the generator's operation based on wave size, achieving an energy capture efficiency of about 28%, which is internationally leading [2] - The device is designed to withstand harsh marine conditions, including typhoons and high waves, with a safety feature that allows it to submerge to a safe depth during severe weather [2] Group 2: Market Potential and Policy Support - The global potential for wave energy is estimated to be between 2 billion to 3 billion kW, which could exceed the capacity of over 100 Three Gorges Hydropower Stations, highlighting significant market opportunities for wave energy development [1] - The Chinese government aims to reach a marine energy installed capacity of 400,000 kW by 2030, with plans to support pilot projects and promote the integration of wave energy with offshore wind power to enhance resource development efficiency [3]

Core Insights - The Zhejiang LHD Marine Tidal Energy Project represents a significant advancement in China's renewable energy sector, specifically in harnessing tidal energy for electricity generation [1][2] - The project has been operational since 2016, successfully generating over 783 million kilowatt-hours of electricity, which has contributed to reducing carbon emissions significantly [2] Group 1: Project Overview - The project utilizes tidal currents to generate electricity, akin to underwater wind turbines, and has been operational for over 8 years [1] - The LHD modular large-scale tidal energy generator system has a capacity of 3.4 megawatts, designed to withstand high-speed tidal flows and corrosive marine conditions [1] Group 2: Environmental Impact - The project has effectively reduced the use of 3,132 tons of standard coal and cut down carbon dioxide emissions by 7,811 tons, supporting China's carbon peak and carbon neutrality goals [2] - Future developments in tidal energy will focus on minimizing environmental impacts by avoiding sensitive marine ecological areas and important maritime routes [2]

Core Viewpoint - The Xiushan Island LHD Ocean Current Power Station in Zhejiang Province is the world's only operational ocean current power station, having generated approximately 7.83 million kilowatt-hours of electricity for the national grid over eight years of stable operation [2][4]. Group 1: Project Overview - The LHD Ocean Current Power Station is located in a region with significant tidal energy resources, benefiting from strong tidal currents and the geographical conditions of the Zhoushan archipelago [2][4]. - The project was initiated in 2014, with the first generation of 1 MW tidal energy generator, "Qiaolian," successfully deployed in August 2016 [4]. - The fourth generation of the power station, featuring a 1.6 MW generator named "Fenjin," was launched on February 24, 2022, marking a significant technological advancement in China's marine clean energy sector [4]. Group 2: Technological Advancements - The research and development team has made significant improvements in efficiency, stability, and reliability with each new generation of the power station [3][4]. - The cost of electricity generated has decreased from 106 yuan per kilowatt-hour for the first generation to 1.1 yuan per kilowatt-hour for the fourth generation [5]. - Future plans include the development of a fifth-generation generator aimed at the East China Sea "Kuroshio" area, with an expected cost of electricity below 0.3 yuan per kilowatt-hour [5]. Group 3: Recognition and Impact - The LHD Ocean Current Power Station is recognized as the only project globally that has been continuously connected to the grid for over eight years, highlighting its significance in the field of marine energy [4]. - In September 2024, the International Energy Agency will feature the power station as one of the top 20 marine energy projects worldwide, underscoring its innovative contributions to clean energy [4].

Core Insights - The Chinese marine economy is poised for significant growth, with the marine production value expected to exceed 10 trillion yuan in 2024, marking a new phase of development [1][5] - The Central Financial Committee's recent meeting emphasized the importance of high-quality development in the marine economy, focusing on innovation, optimization of coastal port clusters, and global marine governance [1][7] - Technological innovation is identified as a key driver for transforming traditional marine industries and fostering new emerging sectors [2][5] Group 1: Marine Economy Development - China's marine economy is entering a transformative era, shifting from quantity to quality, driven by technological advancements and strategic policy support [5][6] - The marine industry is expanding into deeper waters, utilizing new technologies such as deep-sea farming platforms and intelligent unmanned systems [2][3] - The southern marine economic zone, led by Guangdong, is focusing on future industries like marine biotechnology and deep-sea resource extraction [3][4] Group 2: Technological Innovation - The development of marine energy technologies, such as the LHD tidal energy project in Zhoushan, has significantly reduced costs and positioned China at the forefront of marine energy generation [1][2] - The shipbuilding industry has seen a surge in high-end orders, with a 57.1% increase in orders for high-end vessels, indicating a shift towards advanced manufacturing [3][6] - The application of AI in marine fields is rapidly expanding, enhancing capabilities in areas like ocean forecasting and deep-sea aquaculture [2][6] Group 3: Policy and Investment - Guangdong has invested nearly 2 billion yuan over seven years to support marine industry innovation, resulting in an average annual growth rate of 16.8% in emerging marine industries [5][6] - The central government is advocating for increased investment in marine technology and innovation, aiming to strengthen strategic technological capabilities [7][8] - Local governments are implementing targeted initiatives to boost marine economic development, with a focus on enhancing research and development funding [8]

Core Insights - The Zhejiang LHD Ocean Tidal Energy Project has been operational for over eight years, converting tidal energy into green electricity, contributing to local industrial development and environmental sustainability [1][2]. Group 1: Project Overview - The project utilizes tidal currents to generate electricity, similar to underwater wind turbines, and has been continuously operational since its first units were deployed in 2016 [1]. - The project has successfully generated over 783 million kilowatt-hours of electricity since its grid connection, equivalent to reducing the use of 3,132 tons of standard coal and cutting carbon dioxide emissions by 7,811 tons [2]. Group 2: Technological Advancements - The engineering team has overcome significant technical challenges over eight years, including efficient turbine design and marine corrosion resistance, leading to the development of a 3.4 megawatt modular tidal energy generator system [1]. - The project exemplifies the potential for clean energy technology innovation beyond traditional sources like wind and solar power [2]. Group 3: Environmental Considerations - Future tidal energy projects will focus on minimizing environmental impacts by selecting appropriate sites to avoid sensitive marine ecosystems and important shipping routes [4]. - The development of tidal energy is seen as a promising industry with significant growth potential, emphasizing the importance of scientific and environmentally friendly practices [4].