Founded in 2009, Skeleton Technologies develops supercapacitor-based energy storage systems built on its patented Curved Graphene technology and claims to be the world’s largest manufacturer of supercapacitors for mission-critical infrastructure. Its flagship offering, GrapheneGPU, is targeted at high-density AI computing environments and the company says it reduces energy consumption by 40% while increasing computing power by 40%. Skeleton operates mass-scale manufacturing in Germany and a one-gigawatt SuperBattery factory in Finland and is preparing to expand production to the United States. The company holds protection through 70 patent families and says it now has the largest engineering and R&D teams in the high-power energy storage sector. Financially, the firm has raised a total of €392 million in venture capital ahead of a planned U.S. IPO in 2027.

Total raised

$364M

Funding rounds

9

Latest round

Equity

Latest activity

May 2026