Defence Finance Monitor

Defence Finance Monitor

Spiral Hydrogen (Estonia) – Strategic-Technological Analysis

Dec 03, 2025
∙ Paid

In the heart of Tallinn’s innovation scene, a new energy deep-tech venture is taking shape. Spiral Hydrogen OÜ is a nascent Estonian startup founded in 2024 that aims to revolutionize hydrogen production. The company’s patent-pending electrolyzer integrates an embedded generator and centrifugal pumping to achieve >95% efficiency in green hydrogen produc…

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