Core Viewpoint - The successful installation of the 20MW offshore wind turbine by Goldwind Technology and the Three Gorges Group marks a significant advancement in offshore wind energy technology, achieving 100% localization of key components and setting new records in capacity and rotor diameter. Group 1: Technological Achievements - The 20MW turbine features a rotor diameter of 300 meters and a swept area exceeding 70,000 square meters, equivalent to 10 standard football fields, making it the largest installed offshore turbine in terms of capacity and rotor size in real marine environments [1] - The turbine can generate 20,000 kilowatt-hours at full capacity, with an estimated annual output exceeding 80 million kilowatt-hours, sufficient to meet the annual electricity needs of approximately 44,000 households [1] Group 2: Reliability and Testing - Goldwind Technology has leveraged its experience from over 1,000 offshore wind installations to develop the 20MW turbine, addressing reliability and economic challenges in deep-sea wind energy [3] - The turbine underwent over 4,000 condition simulations using the self-developed GTSim simulation platform and completed more than 2,000 tests at experimental platforms, ensuring a robust reliability baseline [3] - The turbine is designed to withstand extreme wind conditions, with experimental data showing it can endure instantaneous wind speeds of 80 m/s, equivalent to typhoon levels above 17 [3] Group 3: Design and Efficiency - The 20MW turbine is designed to be "deep-sea friendly," enhancing installation efficiency by 15% compared to previous models, while also adapting to existing marine engineering capabilities [5] - It incorporates Goldwind's direct current coupling technology, enabling stable grid operation even in extreme weak grid environments, thus supporting the safe and reliable operation of large-scale offshore wind farms [5] Group 4: Economic Impact - The 20MW turbine can reduce the number of required installation points by 25% compared to 16MW turbines, thereby saving space and lowering development costs, facilitating the economic viability of deep-sea wind energy [6] - The GW147 blades, made from high-modulus carbon fiber, improve aerodynamic efficiency and, combined with an intelligent control system, enhance energy generation efficiency by 5%, reducing the cost per kilowatt-hour by 5-8% [6] - The blades are the first high-performance, ultra-long flexible blades to pass all type tests in one go, ensuring their aerodynamic efficiency through rigorous wind tunnel testing [6]

2024年风电叶片销量 ，同比增长10.9%， 全球市占率保持第一 。收入增长主要源于 大兆瓦叶片 技术突破（如全 球最长的147米GW147叶片 及可 回收环氧树脂叶片量产）及海外市场拓展（ 巴西基地 批量交付，筹备海外第二工厂）。但行业价格竞争激烈叠加原材料成本波动，导致毛利率承压。 玻璃纤维及制品业务 | | 2024 年 | 2023 年 | | 本年比 上年増 | 2022 年 | | | --- | --- | --- | --- | --- | --- | --- | | | | | | 漫 | | | | | | 调整前 | 调整后 | 调整后 | 调整前 | 调整后 | | 营业收入 | 23.983.849.999.77 | 25.889.456.590.45 | 25,892,634,285.05 | -7.37% | 25.813.809.327.36 | 25.816.404.520.58 | | (元) | | | | | | | | 归属于上市 公司股东的 净利润 | 891,867,214.26 | 2.224.269.932.32 | 2,223,310,454.87 | - ...