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Introduction
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As AI infrastructure continues to expand, demand for high-performance power solutions is entering a new phase of growth. In the first half of 2026, leading power supply manufacturers are accelerating their investments in AI servers, data centers, and next-generation energy infrastructure.

This report highlights the Top 5 AI Power Supply Companies in the first half of 2026, including AcBel, MEGMEET, Aohai, LITEON, and Delta. From enterprise power systems to AI data center solutions, these companies are shaping the backbone of the AI era with advanced power technologies and expanding global strategies.

As AI workloads continue to rise, reliable and efficient power delivery has become a critical foundation for the future of computing. Let’s take a closer look at the companies leading the AI power supply industry in 2026.