Core Viewpoint - Ocean energy, particularly tidal energy, is a significant green renewable energy source, with China's LHD tidal power station achieving a generation milestone of over 6 million kilowatt-hours, marking a pivotal advancement in the sector [1][12]. Group 1: Tidal Energy Overview - Tidal energy is generated from the natural rise and fall of tides, utilizing underwater turbines that can harness energy from currents regardless of their direction [3][5]. - Compared to wind and solar energy, tidal energy is recognized for its strong predictability, high energy density, minimal land use, and low ecological impact, earning it the title of "blue oil field" in the international energy community [5]. Group 2: Technological Innovations - The LHD tidal power station employs a "platform + modular" design, allowing for easy maintenance and replacement of components, significantly reducing operational costs [9]. - Advanced materials and structural designs enable the generator units to withstand typhoons and corrosive seawater, ensuring safe operation for over five years in harsh marine conditions [9]. - The station's fourth-generation units have a capacity of 1.6 megawatts, making them the largest in the world, with ongoing development for a fifth generation aimed at reducing generation costs to 0.3 yuan per kilowatt-hour, making it cheaper than coal power [9][17]. Group 3: Achievements and Future Plans - The LHD tidal power project has successfully operated for over eight years, generating more than 9 million kilowatt-hours, which is the longest continuous operation record globally for tidal energy [19]. - A new 100-megawatt tidal power station is set to begin construction in Zhoushan by the end of this year, which is expected to provide significant energy to local residents [12][15]. - The project aims to create a "mother port" for tidal energy in Zhoushan, integrating manufacturing, research, testing, and demonstration, thereby fostering a billion-level marine energy industry cluster [19][22]. Group 4: Economic Impact - The anticipated 100-megawatt tidal power station will generate approximately 610,000 kilowatt-hours daily, sufficient to meet the energy needs of over 8,000 households for 8 to 10 days [15]. - The cost of generating electricity from tidal energy has dramatically decreased from 106 yuan per kilowatt-hour in the first generation to an expected 0.3 yuan, showcasing significant technological advancements [17][19].

Core Viewpoint - Ocean energy, particularly tidal energy, is a significant green renewable energy source, with China's LHD tidal power station achieving a remarkable milestone of over 6 million kilowatt-hours of electricity generation, showcasing advancements in technology and commercial viability [1][12]. Group 1: Tidal Energy Overview - Tidal energy is generated from the natural rise and fall of tides, utilizing underwater turbines that can harness energy from currents regardless of their direction [3][5]. - Compared to wind and solar energy, tidal energy is recognized for its strong predictability, high energy density, minimal land use, and low ecological impact, earning it the title of "blue oil field" in the international energy community [5]. Group 2: Technological Innovations - The LHD tidal power station employs a "platform + modular" design, allowing for easy maintenance and replacement of components, significantly reducing operational costs [9]. - Advanced materials and structural designs enable the generator units to withstand typhoons and corrosive seawater, ensuring safe operation for over five years in harsh marine conditions [9]. - The station has achieved a power generation capacity of 1.6 megawatts per unit, making it the largest in the world, with ongoing development of the fifth-generation units aimed at further reducing costs [9][17]. Group 3: Achievements and Future Plans - The LHD tidal power station has been operational for over eight years, generating more than 9 million kilowatt-hours of electricity, which is the longest continuous operation record globally for tidal energy systems [19]. - A new 100-megawatt tidal power station is set to begin construction in Zhoushan by the end of the year, which is expected to provide significant energy to local residents [12][15]. - The cost of electricity generation from tidal energy has dramatically decreased from 106 yuan per kilowatt-hour in the first generation to an anticipated 0.3 yuan per kilowatt-hour with the new developments, making it cheaper than coal-fired power [17][19]. Group 4: Industry Development - The establishment of a "Tidal Energy Mother Port" in Zhoushan aims to create a comprehensive marine energy industry cluster, integrating manufacturing, research, testing, and demonstration [19][22]. - The tidal energy sector in China is transitioning from a "follower" to a "leader" in the global market, with increasing international interest and orders for Chinese tidal energy technology [11][22].