Summary of AIDC Diesel Power Generation Industry Update Industry Overview - The global computing power investment is expected to continue growing, with short-term growth around 40%, then tapering to below 20% [1][2] - New computing power is projected to reach 50 billion Flops in 2025 and may reach 100 billion Flops by 2028, driving demand for diesel engines [1][2] Market Size Estimation - The global demand for diesel generator sets is estimated at approximately 15,000 units in 2025, increasing to 27,000-30,000 units by 2028 [1][4] - Research institutions estimate an annual increase of about 38 GW in power, corresponding to approximately 24,400 units, with a market size of around 36.6 billion RMB [1][4] - The long-term market size could reach 50 billion RMB [1][4] Key Players in the Industry - Major global diesel engine manufacturers include Cummins, Caterpillar, MTU, Weichai, Yuchai, and Shanghai Liyuan, which hold significant market shares [1][5] - These companies' capacity expansion rates have not kept pace with the 40% demand growth, leading to ongoing supply-demand tension [1][6][7] Company-Specific Insights Weichai Power - Weichai Power is expected to ship over 1,000 units of AIDC diesel engines in 2025, a significant increase from 380 units in 2024 [1][8] - The company benefits from Baudouin technology and support from PSI, enhancing its performance in the heavy-duty truck sector [1][8] Yuchai International - Yuchai International, in partnership with MTU, has shown strong performance in high-end data center applications and has gained qualifications for AI DC diesel power supply from leading domestic internet companies [1][9] - The company is expected to have a favorable trend in domestic substitution [1][9] Supply and Demand Dynamics - The supply of diesel engines is currently very tight, particularly due to the rapid investment in global data centers [2][10] - The demand for AIDC diesel power generation is expected to grow by about 40% in 2025, but supply growth remains inconsistent, exacerbating the supply-demand imbalance [10] Financial Performance - Cummins reported a 19% year-over-year revenue growth in its Power Generation segment, with EBITDA as a percentage of revenue rising from 18% to 23.6% [3][11] - This growth is attributed to increased demand for data center power generation, better pricing, and internal operational improvements [11] Domestic Substitution Opportunities - Chinese companies like Weichai Power and Yuchai International have significant potential for domestic substitution, supported by technology and market positioning [1][12] - Weichai Power's capabilities in natural gas engines and Yuchai's strong performance in high-end applications position them well for growth in the global AI DC market [12][13]