Summary of SST Solid-State Transformer Conference Call Industry Overview - The data center power supply architecture is evolving from traditional UPS to HVDC and SST to reduce AC-DC conversion losses and improve energy efficiency [1][2] - SST utilizes high-frequency electronic transformers to replace traditional power frequency transformers, significantly enhancing efficiency and reducing footprint [1] Key Points and Arguments - **Efficiency and Space Reduction**: SST can reduce the footprint by nearly three times compared to traditional UPS for a 2 MW power requirement, with construction cycles shortened from 12 months to approximately one quarter [1][4] - **Cost Structure**: The current cost per watt for SST is around 7-8 RMB, expected to stabilize at 5-6 RMB post-mass production. The main cost components include power devices (40%-50%), high-frequency transformers (25%), and low-voltage DC circuit breakers (10%) [1][6][9] - **Market Dynamics**: The overseas SST market is dominated by joint ventures like Hitachi Energy, ABB, Eaton, and Schneider, while domestic players include China XD Group and TBEA [1][11] - **Future Projections**: By 2030, Schneider anticipates shipping 1,000 SST units in China, with an overall market size expected to reach 10,000 units and a total capacity of approximately 30 GW [1][11] Cost Comparison - **SST vs. Traditional Solutions**: SST costs are approximately 2 to 4 times higher than traditional UPS due to supply chain complexities and labor costs in the U.S. [2][13] - **Domestic vs. Overseas Pricing**: Domestic UPS averages 0.5-0.6 RMB per watt, while joint venture brands are around 1 RMB per watt. HVDC offers a 20%-30% premium over traditional UPS [6][9] Technological Advancements - **Third-Generation SST**: This generation further enhances efficiency through the use of silicon carbide and gallium nitride power devices, reducing energy loss and fault rates [3][10] - **Technical Barriers**: Key barriers include rectification processes, electromagnetic compatibility, thermal management, and supply chain management for high-frequency transformers and semiconductor devices [17][18] Market Entry Strategies - **Domestic Firms in North America**: To penetrate the North American market, domestic firms should consider entering through low-voltage distribution products, as seen with Jinpan and Igor's progress in distribution transformers [19] - **Partnerships and Collaborations**: Companies like Schneider and Eaton are actively seeking partnerships to enhance their technology offerings, particularly in liquid cooling and HVDC [21][22] Demand and Supply Insights - **Major Demand Players**: Companies like Microsoft and Meta show significant interest in SST technology, while Google prefers traditional HVDC architectures [23] - **Supply Chain Dynamics**: The supply chain is characterized by a mix of domestic and joint venture companies, with a focus on integrating new technologies into existing frameworks [11][12] Conclusion - The SST industry is poised for growth, with expectations of reaching G-Watt scale by 2026-2027, driven by increasing interest from major tech companies and advancements in technology [23]

Core Insights - The company reported Q2 2025 revenue of 2.969 billion yuan, with year-on-year and quarter-on-quarter growth of 3.7% and 15.7% respectively, and a net profit attributable to shareholders of 817 million yuan, reflecting a year-on-year increase of 1.7% and a quarter-on-quarter increase of 15.7% [1] - The company is optimistic about its emerging market strategies and the contribution of industrial storage to performance growth, maintaining a "buy" rating [1] Financial Performance - In H1 2025, inverter revenue reached 2.64 billion yuan, up 13.9% year-on-year, with a gross margin of 47.83%, an increase of 0.82 percentage points from the previous year [1] - The company shipped 763,800 inverters in H1 2025, with 315,600 being energy storage inverters, including 272,700 household storage units and 42,900 industrial storage units, the latter showing a remarkable year-on-year growth of 213% [1] - The market distribution for inverters in H1 2025 was as follows: Asia 58%, Europe 20%, Africa 12%, South America 4%, and North America 5% [1] Market Outlook - The European market is showing signs of recovery, with the completion of household storage inventory reduction and increased industrial storage demand, particularly in Eastern Europe where policy subsidies are favorable [2] - The company has tailored its 400V low-voltage system products for the Indonesian market, addressing the unique challenges of its geography, and has seen rapid growth in Australia following subsidy implementation [2] - A new commercial energy storage system solution was launched in H1 2025, featuring modular design that reduces costs by 30% [2] Employee Incentives - The company announced an employee stock ownership plan, allowing up to 800 employees to subscribe to 0.21% of the share capital at a price of 30.19 yuan per share, with performance targets set for 2025 [3] - The plan aims to enhance team cohesion and motivate core employees, with a target of achieving a net profit of 3.1 billion yuan in 2025 [3] Investment Rating - The company has adjusted its profit forecasts for 2025-2027, now expecting net profits of 3.573 billion, 4.436 billion, and 5.287 billion yuan respectively, reflecting a downward revision of 10%-12% [4] - The target price for the company's shares is set at 82.95 yuan, based on a price-to-earnings ratio of 21 times for 2025, maintaining a "buy" rating [4]

Investment Rating - The report maintains a "Buy" rating for the industry, specifically recommending an "Increase" for the stock of Jinpan Technology [6]. Core Insights - The global AI market is expected to grow significantly, with a projected CAGR of 19.20% from 2025 to 2034, reaching approximately $3680.47 billion by 2034. This growth is driven by the increasing demand for AI applications and infrastructure [11][12]. - Major cloud service providers are ramping up capital expenditures, with Amazon, Google, Microsoft, and Meta all reporting substantial increases in their 2025Q2 CAPEX, indicating a strong demand for data center infrastructure [17][18]. - The introduction of SST (Solid State Transformer) technology is positioned as the next-generation solution for AIDC (AI Data Center) power supply, offering significant efficiency improvements and space savings compared to traditional systems [4][25]. Summary by Sections Global AI Resonance and CSP Capital Expenditure - The AI market is experiencing explosive growth, with the U.S. market expected to reach $1460.9 billion in 2024 and $8514.6 billion by 2034. The Asia-Pacific region is anticipated to be the fastest-growing market [11]. - CSPs are increasing their capital expenditures significantly, with Amazon's 2025Q2 CAPEX at $32.1 billion (up 28% QoQ), Google at $22.4 billion (up 30% QoQ), and Microsoft at $24.2 billion (up 13% QoQ) [17][18]. Development of 800V HVDC Architecture - NVIDIA is developing an 800V HVDC architecture to support the growing power demands of AI workloads, which are expected to exceed 1MW. This new architecture aims to improve data center efficiency by 5%, reduce copper cable usage by 45%, and lower maintenance costs by up to 70% [20][22]. - The transition from traditional 54V AC power systems to 800V HVDC is crucial for meeting the high power requirements of modern AI servers [20][21]. Advantages of SST Technology - SST technology offers a high efficiency of approximately 98%, significantly reducing energy losses compared to traditional AC systems. It also requires 50% less space and simplifies installation by integrating multiple functions into a single unit [4][28]. - The modular design of SST allows for easy maintenance and compatibility with various data center power architectures, enhancing reliability and operational efficiency [4][25]. Key Players and Recommendations - Key players in the SST technology space include Delta, Eaton, and domestic suppliers like Jinpan Technology and Xidian Electric. The report suggests monitoring these companies for potential investment opportunities [5][39][41].