Skeleton Technologies
Mission-Critical Power for AI & Grid Stability
Tallinn, Estonia · Founded 2009 · $198.4M raised
- Headquarters
- Tallinn
- Founded
- 2009
- Website
- skeletontech.com
- Total Funding
- $198.4M
- Last Round
- $38.5M Venture RoundMay 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Skeleton Technologies is a European deeptech company that designs and manufactures supercapacitor and SuperBattery energy storage systems based on its proprietary Curved Graphene technology. The company's products deliver ultra-fast response times (10 microseconds), 45% greater energy efficiency, and 20+ year lifetimes, serving data centers, grid stability applications, heavy transportation, automotive, and industrial sectors. Founded in 2009 and headquartered in Tallinn with manufacturing in Germany and Finland, Skeleton operates one of the world's largest supercapacitor factories in Leipzig. The company has raised over €300M and counts Siemens and Marubeni among its strategic investors.
Summary
Skeleton Technologies is a Climate Tech company based in Tallinn, Estonia, founded in 2009. It has raised $198.4M in total across 3 rounds, most recently a $38.5M Venture Round in May 2026. Investors include Axon Partners Group, SmartCap and Taiwania Capital.
Tech & App Stack
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Funding History
May 2026
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Funding: Series D through Venture Round. Amounts, valuations, and investors where available.
Investors
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