Haitong Securities International·2025-06-03 13:12Investment Rating - The report suggests a positive outlook for companies benefiting from the transition to 800V HVDC systems in AI data centers, recommending a focus on leading companies such as GE Vernova, Siemens Energy, and Hitachi [4][10]. Core Insights - The existing power distribution systems are inadequate for the energy efficiency demands of AI data centers, necessitating a shift to higher voltage architectures [6][9]. - Major technology firms are proposing new power distribution architectures, with NVIDIA planning to transition to 800V HVDC by 2027 to support data center racks exceeding 1MW [4][6]. - High-voltage architectures reduce the number of power conversion devices, improving efficiency and reliability while minimizing operational risks [2][7]. Summary by Sections Current Power Distribution Challenges - Current 54V distribution systems are reaching their limits due to increased power demands, leading to proposals for new architectures from major tech companies [6][9]. - Google's Rack 4 and Meta's High Power Rack are examples of innovative solutions aimed at enhancing power distribution efficiency [6]. Advantages of High-Voltage Architecture - High-voltage systems allow for fewer power racks, optimizing space within data centers and improving overall efficiency [2][7]. - The reduction in power conversion steps enhances reliability and decreases maintenance risks, leading to lower operational costs [2][7]. Technical Challenges - Transitioning to 800V HVDC requires overcoming significant technical hurdles, including safety, new standards, and training for personnel [3][8]. - The lack of established industry standards for high-voltage systems poses challenges for implementation and requires collaboration among stakeholders [3][8]. Future Demand and Investment Opportunities - The shift to 800V HVDC will necessitate substantial investments in electrical products and infrastructure, particularly in the aging U.S. power grid [4][9]. - Companies involved in power generation and transmission are expected to benefit from increased demand driven by the needs of AI data centers [4][10].