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U.S. AI Data Center Expansion Faces Supply Chain Risks from Chinese Components
Electronic Technology · Electronic Components · cnbc · 2026-09-03
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Washington is scrutinizing the reliance on Chinese-made power equipment and optical technology as hyperscalers race to build massive AI infrastructure.
What Happened
Strategic Vulnerabilities: American hyperscalers are increasingly dependent on Chinese imports for critical data center infrastructure, including transformers, switchgear, and optical transceivers. Analysts warn that this reliance creates a strategic bottleneck, as China currently supplies significant portions of the global market for these essential power-stack components.
Regulatory Crackdown: President Trump has issued an executive order declaring a national emergency regarding foreign-made bulk-power system equipment, authorizing the Energy Department to restrict transactions. This move aims to mitigate national security risks by curbing the integration of foreign technology into the U.S. power grid and data center facilities.
Supply Chain Constraints: The push to reduce reliance on Chinese suppliers is expected to exacerbate existing market shortages for transformers and substations, which are already facing tight supply. Experts suggest that while domestic firms like Coherent and Lumentum may benefit, they currently lack the manufacturing scale to replace Chinese volume in the near term.
Domestic Investment Push: To counter these risks, the administration is promoting a reshoring agenda, supported by major investments from companies like Hitachi Energy and Siemens Energy. Despite these efforts, the transition away from Chinese hardware remains complex, with potential for increased costs and project delays as the U.S. seeks to secure its AI infrastructure.