# Global power infrastructure manufacturing expansion > Live situation record from CLSTR: https://clstr.news/situations/global-power-infrastructure-manufacturing-expansion > Updated: 2026-09-17T09:05:47.000Z. Sources: 7. Developments: 2. Global power infrastructure providers are expanding manufacturing and supply capabilities to address rising electricity demand driven by AI, data centers, and grid modernization. Hitachi Energy announced significant investments to bolster its capacity, including a $528 million project to establish a new transformer factory in Mississippi. This initiative, part of a larger $1.5 billion U.S. expansion plan, aims to address utility hardware shortages where lead times can exceed two years. Simultaneously, the company is investing $300 million in Hefei, China, to strengthen its manufacturing capacity for power transformers within the Chinese market. In addition to Hitachi Energy, South Korea’s Hyosung Heavy Industries has secured approximately $287 million in orders for ultra-high-voltage transformers from major U.S. technology companies. These units are intended for use in newly constructed AI data centers across the United States. ## Timeline ### 2026-09-17: Power infrastructure firms expand U.S. transformer manufacturing and supply Hitachi Energy and Hyosung Heavy Industries are expanding U.S. power infrastructure through major investments and new orders for transformers to support AI data centers and grid demand. 5 sources. https://clstr.news/cluster/power-infrastructure-firms-expand-us-transformer-manufacturing-and-supply ### 2026-09-14: Hitachi Energy announces major manufacturing investments in US and China Hitachi Energy is investing $528 million in a new Mississippi transformer factory and $300 million to expand manufacturing capacity in China to meet rising global demand for grid infrastructure. 2 sources. https://clstr.news/cluster/hitachi-energy-announces-major-manufacturing-investments-in-us-and-china --- Cite as: Global power infrastructure manufacturing expansion. CLSTR, https://clstr.news/situations/global-power-infrastructure-manufacturing-expansion