Estonian company reaches $1 billion valuation after Siemens investment to bring supercapacitor technology to AI data centres

Tallinn-based energy storage company Skeleton Technologies has secured a nine-figure strategic investment from Siemens, bringing its valuation to more than $1 billion. The investment will support the expansion of Skeleton’s US manufacturing capacity and research and development in Silicon Valley, targeting growing demand for power systems in AI data centres. The company develops high-power systems using its proprietary Curved Graphene material and supercapacitor technology to manage rapid power fluctuations in GPU clusters, which it says can deliver up to 40% energy savings and double-digit improvements in GPU performance. Skeleton plans to invest more than $200 million in US operations and R&D, including domestic cell manufacturing,...

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