About Skeleton Technologies

Hundreds of
MW installed in power grids and
AI data centers worldwide

From smoothing GPU power swings, holding grids stable through disturbances, and cutting the grid connection AI data centers need.
Founded in Estonia and now valued at more than $1 billion, Skeleton is expanding manufacturing from Germany and Finland to the United States.

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OUR MISSION

We are the Skeleton of every mission-critical energy system in the world.

Powering AI data centers

Shaving GPU peak loads and bridge outages for up to 90 seconds.

Stabilizing power grids

Systems, what hold frequency and voltage steady through grid disturbances.

Serving space & defense

First capacitors for the European Space Agency in 2011, defense customers since 2013.

Leipzig Superfactory, Germany

4 million cells per year
Highly automated & industry 4.0 production facility

Global reach from the heart of Europe

Skeleton's production locations in Germany are ideally located to service our customers globally. Our ISO9001:2015, ISO14001:2015-certified and EMAS-registered Leipzig Superfactory in Germany is the largest and most modern supercapacitor factory globally.

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Tallinn, Estonia

Module & system development

Bitterfeld-Wolfen, Germany

Curved Graphene synthesis and production

Energy storage
production facility

Varkaus Superfactory, Finland

Industrial-scale, highly automated production facility

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Backed by a
Strong Investor Base

We have raised almost 400 million euros of capital to scale up development and production of high-power systems for AI infrastructure and grid stability.

Our History

2009
Skeleton Technologies founded in Tartu, Estonia
2011
Development of space capacitors for our first customer, the European Space Agency
2012
First commercial product series launched
2013
First financial investor; Skeleton Technologies GmbH founded
2014
New manufacturing facility in Viimsi, Estonia opened
2015
SkelStart, the most powerful engine start module in the world, brought to market
2016
Named in the Global Cleantech 100 list, the first of seven listings, landing Skeleton in the Hall of Fame
2017
The opening of the largest supercapacitor factory in Europe in Großröhrsdorf, Germany
2018
Product portfolio expansion to cover automotive, transportation, grid, and industrial applications
2019
Large-scale commercial deals signed with global OEMs, including Škoda Electric
2020
Skeleton joins the European Battery Alliance to ensure Europe's competitiveness in electrification
2021
Strategic agreement with Marubeni, highlighting Skeleton's rise to the top of the supercapacitor industry
2022
Skeleton announces plans for its next production facility, which will become the largest supercapacitor factory in the world
2023
Skeleton acquires a battery factory in Finland to scale up SuperBattery manufacturing
2024
Skeleton's supercapacitors power the NTT Indycar series
2025
Skeleton opens Leipzig Superfactory - the most modern supercapacitor factory in the world, and starts deliveries to AI data center hyperscalers.