Zhong Guo Neng Yuan Wang·2025-11-27 03:04Core Viewpoint - The report highlights the increasing energy consumption and power demands of data centers, driven by advancements in technology and the growing reliance on AI, necessitating innovations in power supply architecture such as Solid State Transformers (SST) [1][2][3][6] Energy Consumption and Power Demand - According to IEA, global data center electricity demand is projected to reach 415 TWh in 2024, accounting for approximately 1.5% of total global electricity consumption [2] - The CAGR for IT energy consumption in AIDC from 2022 to 2027 is estimated at 44.8% [2] - NVIDIA's rack power is experiencing exponential growth, with each generation of GPU typically increasing thermal design power by 20%, leading to rising power requirements for individual servers [2][3] Concentrated Distribution and Cost Implications - Data centers exhibit a concentrated distribution pattern, with significant electricity demand in these areas and a rapid increase in the number of large-scale data centers [2] - Electricity costs represent over 50% of the total operational costs of data centers, making it a critical factor in their financial sustainability [2] Innovation in Power Supply Architecture - The rise in energy consumption and power demands is driving innovations in power supply architecture, particularly through the use of new power devices and medium-high frequency transformers, enabling efficient and highly integrated SST systems [3] - SiC and GaN are identified as key materials for enhancing the efficiency and power density of SST systems, with major manufacturers like STMicroelectronics and ON Semiconductor benefiting from this trend [3][5] Market Potential and Growth Projections - IEA data indicates that the global data center installed capacity is expected to increase by approximately 14 GW in 2024, with projections of reaching 32 GW by 2027, leading to a growing demand for SST systems valued at around 11.5 billion yuan by 2027 [4] - The construction of data centers, driven by AI development, is anticipated to significantly boost the demand for SST solutions [5] Investment Recommendations - Companies involved in the production of SiC and GaN power devices, such as STMicroelectronics and ON Semiconductor, are expected to benefit from the increasing adoption of these technologies [5] - Key materials for high-frequency transformers, including amorphous alloys and nanocrystalline cores, are crucial for reducing size and power consumption, with companies like TBEA and Keli Electric positioned to gain from this trend [5] - The report recommends focusing on companies like Sungrow Power Supply and others listed for potential investment opportunities in the SST market [5]