About Skeleton Technologies - the European market leader in ultracapacitors

Skeleton Technologies is the global leader in graphene-based ultracapacitors and energy-storage systems. We deliver high power, high energy, reliable and long-life storage solutions across industry. We have achieved global breakthroughs in ultracapacitor performance through the use of patented nanoporous ‘curved graphene’.

Our ultracapacitors deliver twice the energy density and 4 times the power density offered by other manufacturers. Our current customer base includes global engineering companies, the European Space Agency and several Tier 1 automotive manufacturers.

Skeleton Technologies ISO 9001 ISO 14001 certified

Skeleton Technologies has been granted the newest ISO 9001:2015 and ISO 14001:2015 Certifications to recognize Skeleton's compliance with the ISO 9001 quality management system and the ISO 14001 environmental management system standards. 

Skeleton Technologies Global Cleantech 100 company

Skeleton Technologies is a Global Cleantech 100 company.
We have been recognized as one of the global pioneers in the clean technology sector three years in a row.

Bloomberg New Energy Pioneers 2017

Skeleton Technologies is one of 10 game-changing companies globally in the field of clean energy technology and innovation, chosen by the Bloomberg New Energy Pioneers organization. The New Energy Pioneer companies have proven ability to scale their offering, have an original and groundbreaking innovation, and strong customer traction.

What Our Clients Say

  • Mack Murray, Adgero - customer testimonial about Skeleton Technologies' products
    “The Skeleton Technologies ultracapacitors we use in our solution will help us reduce fuel consumption and carbon emissions by up to 25%, which means significant savings for the end customer.” 
    Mack Murray, Adgero
  • Andrew F. Burke, University of California - Davis - customer testimonial about Skeleton Technologies' products
    “This Skeleton Technologies’ device has the best performance of any supercapacitor tested at University of California - Davis to date.”  
    Andrew F. Burke, University of California – Davis
  • Bernard Zufferey, ESA - customer testimonial about Skeleton Technologies' products
    “Ultracapacitor technology has the potential to increase mission safety while reducing mission costs. SpaceCap cells will allow us to package a large amount of power into a very small package, creating opportunities for new applications.” 
    Products used: Custom Ultracapacitors
    Bernard Zufferey, PECS Manager, European Space Agency
  • Tero Järveläinen, Visedo - customer testimonial about Skeleton Technologies' products
    “The extremely high current tolerance of SkelCap is crucial in heavy-duty drivetrains.”  
    Products used: SkelMod 51V Module
    Tero Järveläinen R&D Manager, Visedo OY
Our management team

Our investors

UP Invest

UP Invest focuses on Cleantech Venture Capital, Private Equity and Real Estate investments in the Baltic region. Their varied portfolio includes cleantech companies, the largest Estonian book and entertainment store chain, the largest media group in the Baltics and many others.

Harju Elekter

NASDAQ OMX Tallinn noted Harju Elekter Group (HAE1T), operates electrical equipment manufacturing plants in the Nordic-Baltic markets. The Group includes manufacturers of electrical equipment in Estonia, Finland and Lithuania.

FirstFloor Capital

FirstFloor Capital is a venture investment firm that invests in high-growth technology companies in industries serving information technology, mobility, communications, and life sciences. The firm focuses on companies with unique competitive advantages, sustainable value propositions, and strong management teams.

European Investment Bank

The EIB is the European Union's bank, and the only bank owned by and representing the EU Member States. The EIB finances sustainable investment projects that contribute to EU policy objectives.



InnoEnergy works to achieve a sustainable energy future for Europe in three essential areas of the innovation mix: education to help create an informed and ambitious workforce that understands the demands of sustainability and the needs of industry; innovation projects to bring together ideas, inventors, and industry to create commercially attractive technologies that deliver real results to customers; and business creation services to support entrepreneurs and start-ups who are expanding Europe’s energy ecosystem with their innovative offerings.

Our locations

The two subsidiaries of Skeleton Technologies are located in Großröhrsdorf, Germany, where our manufacturing and sales are concentrated, and Tallinn, Estonia, where we do R&D and pilot production.