Key Takeaways
- • Siemens AG invested more than $100 million in Estonia's Skeleton Technologies, according to the company, lifting the Tallinn-based energy-storage firm's valuation above $1 billion and making it Estonia's latest tech unicorn.
- • In exchange for the investment, Siemens secured exclusive rights to sell Skeleton's high-power energy-storage technology to data-center customers.
- • The deal closed in October 2026; Skeleton did not disclose the exact investment amount.
- • The partnership targets energy-storage systems for artificial-intelligence data centers in the United States, extending Siemens' data-center infrastructure offering.
Summary
Estonia's Skeleton Technologies has become the country's latest tech unicorn after raising investment from Siemens AG to manufacture energy storage systems for AI data centers in the US, according to Bloomberg Law News. The cash injection pushed the Tallinn-based firm's valuation over $1 billion, Skeleton's chief executive officer, Taavi Madiberk, said in an interview.
The investment, which closed in October 2026, was more than $100 million, the company said, without disclosing the exact amount. In return, Siemens secured exclusive rights to sell Skeleton's high-power energy-storage technology to data-center customers, expanding its offering for artificial-intelligence infrastructure, according to Peter Koerte, a member of the Siemens leadership team.
The deal reflects growing demand for power-storage and grid infrastructure tied to data-center construction. Siemens has been expanding its US footprint in related areas, though the Skeleton transaction is a distinct investment. Coverage of the deal also appeared under the headline "Siemens Data Center Push Makes Skeleton Latest Baltic Unicorn" from Bloomberg Law News.
The investment, which closed in October 2026, was more than $100 million, the company said, without disclosing the exact amount. In return, Siemens secured exclusive rights to sell Skeleton's high-power energy-storage technology to data-center customers, expanding its offering for artificial-intelligence infrastructure, according to Peter Koerte, a member of the Siemens leadership team.
The deal reflects growing demand for power-storage and grid infrastructure tied to data-center construction. Siemens has been expanding its US footprint in related areas, though the Skeleton transaction is a distinct investment. Coverage of the deal also appeared under the headline "Siemens Data Center Push Makes Skeleton Latest Baltic Unicorn" from Bloomberg Law News.
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