风电&电网行业2024年及2025年一季报业绩综述：风电零部件盈利修复，电网需求景气延续

Investment Rating - The report maintains a "Recommended" investment rating for the wind power and grid equipment industry [2]. Core Insights - The wind power sector has shown significant improvement in profitability, driven by strong demand for onshore wind installations and enhanced supply chain performance. The industry is expected to continue its positive trend into the second half of 2025, with domestic onshore wind installations projected to reach 100 GW and state grid investments anticipated to exceed 650 billion yuan [9]. - The grid equipment sector is experiencing sustained growth, supported by domestic grid investments and increasing demand from data centers and international markets. The overall performance of the grid equipment industry remains robust, with positive growth across all segments [9]. Summary by Sections Wind Power - The wind power equipment industry achieved a revenue of 192 billion yuan in 2024, a year-on-year increase of 4.37%, but the net profit decreased by 21.03% to 5.8 billion yuan. In Q1 2025, revenue was 37.2 billion yuan, down 0.79% year-on-year, while net profit rose by 18.74% to 1.2 billion yuan [8][28]. - The analysis of 32 representative companies revealed that the bearing, casting, and forging segments saw substantial profit increases in Q1 2025, with net profit growth rates of 381.85%, 120.39%, and 52.77% respectively. This was attributed to increased demand, price hikes, and product structure optimization [40]. - The turbine and submarine cable segments experienced revenue growth but a decline in net profit, with net profit changes of -27.69% and -1.45% respectively. The tower and pile segment saw revenue and net profit improvements, with major players like Dajin Heavy Industry leading in overseas orders [8][49]. Grid Equipment - The grid equipment industry reported a revenue of 785.2 billion yuan in 2024, a year-on-year increase of 8.21%, while net profit fell by 11.37% to 36.7 billion yuan. In Q1 2025, revenue was 169.8 billion yuan, up 6.58%, and net profit increased by 8.33% to 9.3 billion yuan [9][35]. - All segments within the grid equipment sector showed positive growth, with transformers and combination electrical devices experiencing high growth rates. The transformer segment's net profit growth exceeded 30% for several companies, driven by increased orders from data centers [61][65]. - The report highlights that the grid equipment sector is benefiting from both domestic and international demand, with companies optimizing their production capacities globally to capitalize on the rising trend in grid investments [9][61].