Skeleton Technologies GmbH

Founded in 2009 and based in Tallinn, Estonia, Skeleton Technologies OÜ is a leading innovator in energy storage, recognized for its supercapacitors and SuperBattery technology. The company was co-founded by Taavi Madiberk (CEO), Oliver Ahlberg, Jaan Leis, and Anti Perkson. In October 2026, Skeleton Technologies OÜ raised USD 100 million in venture funding led by Siemens Group. The venture funding values Skeleton Technologies OÜ at USD 1 billion post-money.

Skeleton Technologies develops high-power energy storage solutions, with a focus on supercapacitors and their unique SuperBattery technology. Their products are used in AI data centers, automotive systems, heavy transport, and grid stabilization. The GrapheneGPU system and SuperBattery provide efficient power delivery and rapid charging for demanding environments, supporting clients in Europe, North America, and Asia in sectors such as data centers, automotive, and utilities. In 2023, Skeleton Technologies recorded a revenue of EUR 9,139,297.

50 and an EBITDA of EUR -831,046. 50. The company generates its revenue through direct B2B sales of energy storage solutions, forming contracts with clients in energy-intensive sectors to deliver customized solutions that address their specific operational requirements. The company will use the October 2026 funding to accelerate the expansion of its U.

S. manufacturing footprint and R&D activities in Silicon Valley to meet growing hyperscaler demand for AI data-center power systems. The company also plans to invest more than $200 million in operational scale-up and R&D and establish domestic cell manufacturing, creating a fully integrated U. S.

value chain from cells to complete systems.