Research and development remain central to Elcogen’s product development, enabling innovation, commercial growth, and strategic collaboration in the clean energy sector. Through publicly funded and collaborative projects, we can continue to advance our proprietary fuel cell and electrolyser technologies while sharing expertise and reducing development risks.
By focusing on initiatives that align with our strategic goals and leverage our strengths, these partnerships have opened new business opportunities, supported joint ventures, and accelerated technology readiness for commercial deployment. Our project work has spanned advanced manufacturing, high-efficiency system design, decentralised green hydrogen production, and large-scale energy infrastructure, strengthening our role in the zero-emission power and green hydrogen space.
In 2025, ongoing programmes delivered meaningful progress throughout the year:
The AINA project focuses on ammonia-based energy conversion and the social acceptance of these technologies. A key aspect of the project is the development of CFD simulation methods to analyse fuel cell operation using hydrogen–ammonia fuel mixtures.
Within the consortium, Elcogen contributes to demonstrating fuel cell performance and provides technical expertise to support the simulation work. In 2025, Elcogen supported the project by supplying solid oxide fuel cell (SOFC) performance data for modelling purposes.
Duration: September 2024 – August 2027
The AMPS project aims to advance the manufacturing of Solid Oxide Fuel Cells (SOFCs) and electrolysers by developing automated, high-speed production processes for cells, interconnect plates, and stack assembly. The project integrates quality control and optimises mass manufacturing through the use of digital twins.
Elcogen is developing high-speed manufacturing processes for interconnect plates and protective coatings, as well as automated stack assembly processes with integrated quality control. In 2025, Elcogen, together with project partners, progressed novel stack automation concepts, inline quality control, and interconnect plate coating methods. An industrial powder-dosing system for cell slurry manufacturing was commissioned, and robotic handling of half-cells was successfully demonstrated. Work continues on the innovative cell inspection system and the development of large-batch (~100 L) slurry manufacturing processes.
Duration: June 2023 – May 2027
The ARENHA project aimed to demonstrate the viability of ammonia as a key energy carrier for the stationary storage of excess renewable energy, through the development and integration of advanced technologies across the ammonia value chain. The project was successfully completed in 2025, following Elcogen’s main contributions between 2020 and 2023.
The BalticSeaH2 project aims to establish the first large-scale interregional hydrogen valley in Europe, linking Finland, Estonia, and neighbouring countries. The project seeks to develop and demonstrate hydrogen production, storage, distribution, and utilisation across multiple sectors. Elcogen contributes by supplying electrolysis stacks, building testing capabilities, and validating stack technology for both rSOC and SOEC applications. In 2025, the Company continued to advance reversible SOC technology in line with the project’s planned objectives.
Duration: June 2023 – May 2028
The BeBOP project aims to deploy a disruptive, ultra-efficient biomass power-to-methanol unit by integrating Solid Oxide Electrolysis Cells (SOEC) for syngas upgrading, improving carbon usage and reducing feedstock material, with a TRL6 pilot plant to be scaled up for the European biomass industry. Elcogen is providing stacks and modules for the test units assembled at VTT. This year Elcogen’s cells were tested in co-electrolysis mode with stack delivery planned for early 2026.
Duration: October 2024 – September 2028
The CLEANHYPRO project aims to develop a sustainable Open Innovation Test Bed for electrolysis materials and components, improving cell productivity, reducing costs, and enhancing efficiency for clean hydrogen production, with Elcogen building stacks from novel unit cells, conducting tests, and analysing the results to demonstrate the functionality and feasibility of improved SOEL technology. This year, Elcogen produced novel cells, tested short stacks, and identified promising novel material compositions.
Duration: October 2023 – September 2027
The ECOLEFINS project aims to develop electro conversion technology for transforming CO2 and H2O into key intermediates for polymers and chemicals, using planar and tubular co-ionic ceramic membrane reactors, with Elcogen building solid oxide stacks based on novel unit cells and analysing them in collaboration with project partners. This year, Elcogen tested window stack geometry and is awaiting proton conducting cells from its partners.
Duration: October 2023 – September 2026
The FFI 3 project aims to advance SOEC technology for decentralised green hydrogen production, with a focus on hydrogen refuelling stations for long-haul heavy-duty vehicles. The project seeks to improve stack lifetime and reduce costs through the development of a cost-effective metallic interconnect. Elcogen has developed novel interconnect plate coating solutions that enhance Solid Oxide Electrolysis (SOEL) performance.
Duration: December 2022 – September 2026
The FuelSOME project aims to establish the technological feasibility of a flexible, scalable, multi-fuel energy generation system based on SOFC for long-distance maritime shipping, with Elcogen providing SOFC stacks and stack modules for demonstrators using ammonia and methanol as fuels. This year, Elcogen operated its 6-kW module successfully with ammonia and methanol.
Duration: September 2022 – August 2026
The IPCEI H2Tech/EE05 project focuses on developing next-generation cells and stacks with improved efficiency, robustness, and reduced use of critical raw materials, alongside new mass production processes utilising AI and Industry 4.0 technologies. The project is supported by the Estonian state from the revenue from greenhouse gas emission quotes trading. During 2025, Elcogen progressed AI-based quality control, completed half-cell co-caster manufacturing testing and continued automated stack assembly work.
The OUTFOX project aims to eliminate scale as a barrier to the deployment of SOEL technologies by optimising cell and system designs for green hydrogen production, targeting industrial-scale systems of 100-MW and a low cost of hydrogen. Elcogen is providing large area cells and stacks for system demonstration. During 2025, Elcogen completed novel extra-large cell development and delivered the first stacks for the project’s 80-kW system ahead of testing.
Duration: February 2023 – January 2027
The PEPPER project aims to advance proton-conducting ceramic electrolysis cell (PCCEL) technology by developing scalable, high-performance planar cells for operation at 600°C, focusing on reducing critical raw materials and validating the technology for long-term, efficient operation in electrolysis reactors. This year, Elcogen delivered the first green tape variants for prototype cell manufacturing.
Duration: January 2025 – December 2027
The PilotSOEL project aims to develop and demonstrate high-current Solid Oxide Electrolyser (SOEL) cells and stacks with advanced, scalable manufacturing processes, focusing on reducing costs, resource use, and improving performance through innovations in materials and automation. Elcogen is providing the cells and stacks optimised with novel manufacturing methods for technology demonstration. During 2025, Elcogen supplied upgraded cells, validated new coating methods, advanced stack assembly trials and continued development of the optical inspection system for quality control.
Duration: June 2023 – May 2026
The PressHyous project aims to advance Solid Oxide Electrolyser (SOEL) hydrogen production under pressure, delivering a validated lab-scale 30 bar stack and a 10-bar pressurised stack, while optimising cell performance and durability for elevated pressure operation. During 2025, project partners successfully tested Elcogen cells under elevated pressure.
Duration: September 2023 – August 2026
The PrintFuel project is pioneering space power systems by developing engineered porous electrodes through 3D printing for metal-supported solid oxide fuel cells, with Elcogen providing expertise, half-cells, and materials for testing, while the FlyECO project aims to enable hydrogen-powered electrified aero engines for clean aviation, with Elcogen participating in the steering group. During 2025, Elcogen supported Printfuel with work on 3D printed electrodes for space power. For FlyECO, Elcogen’s cells were tested under pressurised conditions for aviation applications.
Duration: 2024 – 2026
The R2P2X & ROAD2X projects aim to develop and demonstrate a 40-kW dynamic electrolyser unit for robust and reversible hydrogen production, focusing on optimizing SOEL module operation, long-term H2 production, and island mode operation, with Elcogen delivering the 40-kW SOEL modules for integration into test and demonstration infrastructures. This year Elcogen delivered the 2×2 module for commissioning at the test site.
Duration: 2024 – 2027
The SO-FREE project aims to develop a fully future-ready solid oxide fuel cell (SOFC) system for combined heat and power (CHP) generation, enabling operation with hydrogen, natural gas, and purified biogas, with Elcogen designing, developing, and manufacturing fuel-independent 6-kW scale stack modules for system integration and testing. This year Elcogen delivered two 2×2 modules for installation in Italy and Poland.
Duration: January 2021 – June 2026
The SYRIUS project aims to develop and integrate a 4.2-MWel Solid Oxide Electrolysis Cell (SOEC) system in a real Electric Arc Furnace steel plant to produce green hydrogen, significantly reducing CO2 emissions from the steel reheating process through heat recovery and steam generation, with potential for up to 100% emission reduction at larger scale. Elcogen is providing the stacks for both the demonstrator unit and, later, the final system, which will be integrated into a real factory environment. Elcogen is currently awaiting the developer’s decision on the stack integration approach for the full-scale system.
Duration: January 2025 – June 2029