光伏行业月报：四月国内光伏装机再次高增，钙钛矿电池取得技术突破

Investment Rating - The report maintains an "Outperform" rating for the power equipment and new energy sector [1]. Core Insights - The photovoltaic (PV) sector in China experienced significant growth in installed capacity in April, with a year-on-year increase of 214.68%, totaling 45.22 GW for the month [5][18]. - The report highlights the impact of U.S. tax credit policy changes and tariff uncertainties on the domestic market, which may lead to increased costs and reduced demand for solar products in the U.S. [5][15]. - The report emphasizes the technological breakthrough in perovskite solar cells, which could accelerate commercialization and present new investment opportunities [5][15]. Summary by Sections Industry Performance Review - The photovoltaic industry index rose by 1% in May, slightly underperforming the CSI 300 index, which gained 2.34% during the same period [8][11]. - Most sub-sectors within the photovoltaic industry reported positive returns, with quartz crucibles and monocrystalline silicon wafers leading the gains [11][14]. Industry and Company Dynamics - April saw a substantial increase in new PV installations, driven by commercial and distributed projects rushing to secure policy benefits [18]. - The report notes that the first quarter of 2025 saw a decline in PV module exports, totaling 61.9 GW, down 8% year-on-year, primarily due to domestic demand prioritization [21][29]. - The report discusses the ongoing challenges in the polysilicon industry, with production cuts and inventory management being critical to stabilizing prices [31][44]. Investment Recommendations - The report suggests focusing on sectors with clear capacity clearing expectations and significant technological innovations, such as photovoltaic glass and integrated component manufacturers [5][15]. - It highlights the importance of monitoring companies in the polysilicon and perovskite solar cell sectors for potential investment opportunities [5][15].