GF SECURITIES·2026-01-21 06:27Investment Rating - The industry investment rating is "Buy" [2] Core Insights - The report highlights that the development of reusable rocket technology has significantly reduced launch costs, creating a golden opportunity for space photovoltaics [5] - The competition in commercial space between China and the US is accelerating, with low Earth orbit (LEO) communication satellites driving short-term demand for solar wings [5] - AI giants are increasingly recognizing the potential of deploying computing power in space, which is expected to benefit space photovoltaics [5] - The report emphasizes the importance of gallium arsenide as the current mainstream technology for space photovoltaics, while also highlighting the potential of silicon-based batteries and perovskite technology in the long term [5] - Investment recommendations include focusing on HJT/perovskite equipment suppliers and companies covering various segments of the photovoltaic supply chain [5] Summary by Sections 1. Space Photovoltaics: The Main Energy Source in Space - Space photovoltaics convert solar energy into electrical energy in space environments, which are harsher than ground conditions [12][13] - Solar panels are the core component of spacecraft power systems, essential for converting solar energy into the electricity needed for satellite operations [12][13] 2. Downstream Scenarios: Commercial Space Boom Leading to a Trillion-Dollar Market - The report notes a significant increase in global satellite launches since 2020, with a projected 4000 launches by 2025, driven by reduced costs from reusable rockets [38] - The US currently dominates the satellite market, with 11,688 satellites in orbit, while China and Russia lag behind [38] - The competition for orbital resources is intensifying, with both the US and China making substantial satellite deployment plans [44][45] 3. Technology Pathways: Gallium Arsenide as the Current Mainstream, with Potential for Silicon-Based Batteries and Perovskite Breakthroughs - Gallium arsenide solar cells are currently the most efficient option for space applications, with over 30% efficiency [65] - The report discusses the evolution of solar cell technologies, including silicon and multi-junction cells, and the potential for future advancements in perovskite technology [65] 4. Investment Recommendations: Focus on HJT/Perovskite Core Equipment Suppliers - Companies such as Maiwei, Aotwei, and Jiejia Weichuang are highlighted as key players in the HJT/perovskite equipment supply chain [5] - The report suggests monitoring companies that cover the entire photovoltaic supply chain, including polysilicon, batteries, and modules [5]