Elcogen
Elcogen AS
Jõelähtme, Harju, Estonia
About
Founded in 2001, Elcogen is a private headquartered in Jõelähtme, Estonia with approximately 50-200 employees specializing in Hydrogen, Energy Storage.
Founded in 2001 by Enn Õunpuu, Elcogen commercializes advanced solid oxide fuel cell (SOFC) technology for efficient electricity and heat generation from various fuels, and electrolysis technology for green hydrogen production. The company operates research and development centres of excellence in Estonia and Finland, leveraging Estonia's scientific heritage in electrochemistry. In 2025, Elcogen opened its ELCO I production facility in Tallinn with a capacity of up to 360 megawatts at full output, marking the transition from pilot to mass manufacturing. The company employs 130 staff representing 19 nationalities, with approximately 20% holding PhDs. Elcogen's solid oxide components are integrated into third-party systems for applications spanning power generation, hydrogen production, and industrial decarbonization.
Headquarters
Jõelähtme, Estonia
Founded
2001
Employees
50-200
Company Type
Private
Business Models
Value Chain
Products
Solid Oxide Fuel Cells
Solid Oxide Electrolysis Stacks
Fuel Cell Modules
Certifications & Awards
Certifications
ISO Certification
Awards
European Business Awards
Estonia Top Entrepreneurship Award
European Award for Innovation in Emission-Free Power and Hydrogen
Global Cleantech 100
TIME Top Companies Reducing Global Environmental Impact