Elcogen develops and supplies a proprietary solid oxide technology platform that operates in both fuel cell (SOFC) and electrolysis (SOEC) modes, enabling affordable green hydrogen production and zero-emission power generation to drive the clean energy transition. Founded in 2001, the company has its registered office in the UK, its main headquarters in Tallinn, Estonia, and R&D centres of excellence in both Estonia and Finland. Serving a growing global customer base, Elcogen’s cells, stacks, and modules are integrated into third-party systems across sectors where decarbonisation is essential, including steel, fuels, shipping and energy infrastructure. Application-agnostic by design, Elcogen’s technology delivers exceptional efficiency, flexibility and reliability, unlocking the full potential of renewable energy. Together with its partners, Elcogen is enabling a wider ecosystem of developers to advance the global shift to net zero, bridging today’s energy landscape with a sustainable future.
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The Elcogen annual revenue was $5.1 million in 2026.
Enn Õunpuu is the CEO of Elcogen.
66 people are employed at Elcogen.
The NAICS codes for Elcogen are [335, 3359, 33].
The SIC codes for Elcogen are [367, 36, 369].