智通财经网·2026-01-26 02:04Core Viewpoint - North American data centers are accelerating the adoption of self-supply power models to address challenges posed by aging power grids and high energy consumption from AI computing, with diesel generators becoming a critical backup power source [1] Group 1: Data Center Power Supply Trends - Data centers in North America are transitioning to self-supply power models, with diesel generators as essential backup power configurations due to the aging and fragmented U.S. power grid [1] - Major companies like xAI, OpenAI, and Meta have implemented self-supply power solutions to ensure stable operation of their computing clusters [1] Group 2: Demand for Diesel Generators - The construction of data centers is in a high-growth cycle, with significant capital expenditures from domestic and international internet companies driving demand for diesel generators [2] - Google has raised its total capital expenditure for 2025 Q3 to $91-93 billion, while Microsoft plans to double its global data center scale within two years, indicating robust demand for backup power solutions [2] - The global market for data center generators is projected to grow from $6 billion in 2023 to $12 billion by 2030, highlighting the increasing need for diesel generators [2] Group 3: Supply and Pricing Dynamics - Foreign orders for diesel generators are experiencing long-term saturation, leading to a continuous increase in prices due to a tight supply-demand balance [3] - Major foreign brands like Cummins and Caterpillar dominate the large diesel engine market, with some orders having delivery cycles of 12-18 months, contributing to supply constraints [3] - Domestic manufacturers are seizing the opportunity for domestic substitution but face capacity limitations, resulting in ongoing demand for high-power diesel generators [3] Group 4: Cost Pressures and Inflation Transmission - The costs of key components for large diesel engines, such as high-pressure fuel injection and electronic control systems, are rising, primarily driven by foreign suppliers [4] - The scarcity of supply allows manufacturers with core component production capacity to exert pricing power, leading to inflation being transmitted downstream, resulting in a new round of price increases for large diesel engines used in data centers [4] Investment Recommendations - Beneficiaries of this trend include companies such as Weichai Power, Weichai Heavy Machinery, Zhongyuan Inner配, Tianrun Industrial, Changyuan Donggu, and Weifu High-Tech [4]