近日发布的《2025中国海洋发展指数报告》显示，经核实，2024年，新增用海面积比上年增长 15.6%，有效保障油气、交通基础设施等重大项目用海需求，海洋空间资源要素保障持续加强；海上风 电发电量比上年增长近30%，海洋能源供给能力不断提升。自然资源部、国家发展改革委等部门联合印 发的《关于推动海洋能规模化利用的指导意见》提出，聚焦海洋能规模化利用，促进海洋能新技术、新 模式发展，推动海洋能与各类海上生产活动融合发展，拓展海洋能应用场景，提高海洋能开发利用经济 效益和社会效益。 海洋能是重要绿色可再生能源，规模化利用海洋能是推动高质量发展的必要环节，为提高新质生产 力提供重要保障。 近年来，我国海洋能资源利用技术实现快速发展，整体水平显著提升。2022年，我国首台兆瓦级潮 流能发电机组"奋进号"成功投运，截至目前，新机组并网发电量超450万千瓦时，创我国单机发电量新 高。波浪能利用取得新突破，在海岛能源保障、深水养殖、海上设备供电等多个领域开展了示范应用， 创造多项"全球首次"。我国先后布局实施一批潮流能、波浪能规模化示范工程项目，积累了较为丰富的 工程技术经验。 不过，也要看到，海洋能规模化利用装备亟需迭代 ...

Group 1 - The core viewpoint of the articles emphasizes the significant growth and strategic importance of China's marine economy, which is projected to exceed 10 trillion yuan in 2024, marking a historic milestone [1][2][8] - The marine economy is defined as economic activities centered around the development and utilization of marine resources, encompassing various sectors such as marine energy, fisheries, shipping, tourism, equipment manufacturing, biomedicine, and environmental technology [2][8] - The marine economy's contribution to China's GDP is increasing, with projections indicating it will account for 7.81% of GDP in 2024, the highest since 2020 [3][8] Group 2 - The marine economy's total output value has grown from 8 trillion yuan in 2020 to 10.54 trillion yuan in 2024, reflecting a growth rate that surpasses many traditional industries [2][3] - In the first quarter of 2025, the marine economy maintained a positive growth trend, with a preliminary marine production value of 2.5 trillion yuan, representing a year-on-year increase of 5.7% [3] Group 3 - Technological innovation is a key driver of growth in the marine economy, with emerging industries in this sector seeing an increase in added value of 7.2% in 2024, outpacing the overall marine production value growth [4] - The marine economy's industrial structure is being optimized, with the second industry's production value reaching 3.77 trillion yuan in 2024, accounting for 35.8% of the total [4] Group 4 - China has established a leading position in various marine sectors, with the country securing 69.4% of the global market share for newly contracted marine engineering equipment in 2024 [6][7] - The shipbuilding industry continues to dominate globally, with China maintaining the top position in shipbuilding completion, new orders, and hand-held orders for 15 consecutive years [6][7] Group 5 - The marine economy is not only a response to economic development needs but also a crucial component of national strategy, leveraging China's rich marine resources and technological capabilities for further breakthroughs [8]