电力设备行业深度：钙钛矿：迎来GW级量产

Investment Rating - The report maintains a rating of "Accumulate" for the power equipment industry [4] Core Insights - Perovskite solar cells are entering the era of GW-level mass production, with leading companies like JinkoSolar and GCL-Poly Energy accelerating capacity release [2][35] - The efficiency of perovskite cells is rapidly improving, with laboratory efficiencies reaching 27.3% for single-junction cells and 35.0% for perovskite-silicon tandem cells, significantly surpassing the maximum efficiency of silicon cells at 27.9% [15][18] - The cost competitiveness of perovskite cells is expected to improve, with unit production costs projected to drop to 1.0 CNY/W by 2026, potentially surpassing silicon cells [2][35] Summary by Sections 1. Perovskite: Next-Generation Photovoltaic Cell Solution - Perovskite solar cells utilize a hybrid organic-inorganic metal halide semiconductor as the light-absorbing material, offering advantages such as simple synthesis, high efficiency, low cost, and lightweight [8][11] 2. Efficiency and Stability Breakthroughs, Entering GW-Level Mass Production Era - The industry is witnessing dual breakthroughs in efficiency and stability, with significant advancements in both single-junction and tandem cell technologies [15][18] - The first GW-level production line for perovskite solar cells has been launched, marking a new era for the technology [35] 3. Investment Recommendations - Focus on leading companies in the perovskite supply chain, particularly those with advanced tandem technology and clear capacity plans, such as GCL-Poly Energy, LONGi Green Energy, and Trina Solar [3] - Equipment manufacturers with high domestic production rates and sufficient orders, including JinkoSolar and Meyer Burger, are also recommended [3] - In the materials sector, attention should be given to companies with significant import substitution potential, such as Jinjing Technology and Yaopei Glass [3]