by Marijn | Jul 1, 2026
This week, Nikos Skordoulias and Sotirios Karellas represented the HyCoFlex project at ECOS 2026 – the 39th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, where they delivered an oral presentation entitled:
“Optimised sizing and operational dispatch of grid connected PEM electrolysers for hydrogen-fired gas turbines using a multi-objective framework: A HyCoFlex case study.”
The presentation showcased a novel multi-objective optimisation framework that simultaneously determines the optimal sizing and operational dispatch of grid-connected PEM electrolysers supplying hydrogen to an advanced hydrogen-fired gas turbine.
Using the HyCoFlex pilot-scale facility as a case study, the research demonstrated how integrated system design and operation can identify cost-effective pathways for renewable hydrogen production. The results highlighted optimal electrolyser capacities for different hydrogen demand scenarios while achieving competitive Levelised Costs of Hydrogen (LCOH) and complying with RFNBO carbon-intensity criteria.
Thank you to the organisers of ECOS 2026 for bringing together researchers and industry experts to exchange ideas on the future of sustainable energy systems. We also thank everyone who attended the presentation and contributed to the engaging discussions.
Learn more about the conference: https://ecos2026.insae.ro/
by Marijn | Jun 25, 2026
The HyCoFlex project’s SGT-400 high-H₂ gas turbine has arrived at the ENGIE cogeneration plant, bringing the project one step closer to its 2026 testing campaign.
Following successful testing with natural gas at Siemens Energy’s facility in Lincoln, UK, Centrax has transported the unit to the demonstration site at Smurfit Westrock’s industrial paper production plant in Saillat-sur-Vienne, France.
This marks the transition from development, manufacturing, and component validation to preparation for the upcoming hydrogen-focused testing phase of the integrated power-to-H₂-to-power concept.
Successfully achieving this milestone on schedule reflects the strong collaboration and coordinated efforts of all project partners. Installation activities are now underway at the plant — stay tuned as the project moves closer to the first fire of the demonstration campaign.
A big thank you to all HyCoFlex partners for making this milestone possible.
by Marijn | May 28, 2026
On 21 May 2026, the HyCoFlex Spring School on Decarbonisation of Power Plants took place at the National Technical University of Athens (NTUA), bringing together students, researchers, and industry professionals for a full day of discussions on the future of hydrogen-based power generation.
Organised by the Laboratory of Steam Boilers and Thermal Plants (LSBTP) and the Laboratory of Thermal Processes (LTP) of the School of Mechanical Engineering at NTUA, in collaboration with the HyCoFlex consortium, the event focused on innovative technologies and strategies supporting the transition towards low-carbon energy systems.
The programme covered a wide range of topics, including advanced gas turbine technologies, Power-to-H₂-to-Power systems, green hydrogen production, operational optimisation, and the integration of hydrogen into modern energy infrastructure.
The Spring School also featured presentations from invited industry experts, including Stella Giannissi (Motor Oil Hellas), Grigoris Tsagris (Hellenic Hydrogen), and Agis Digkas (DESFA), who shared valuable insights into the role of hydrogen in the evolving energy landscape and the practical challenges and opportunities linked to decarbonisation.
The HyCoFlex consortium would like to thank all speakers, organisers, and participants for contributing to the success of the event. The strong engagement throughout the day highlighted the growing interest in hydrogen technologies and the importance of collaboration between academia, industry, and research organisations in accelerating the energy transition.
HyCoFlex is co-funded by the European Union and supported by the Clean Hydrogen Partnership and its members
by Marijn | Nov 26, 2025
HyCoFlex was proud to participate in the Clean Hydrogen Joint Undertaking (Clean Hydrogen JU) event, Hydrogen for Clean Heat & Power: From Concepts to Real Industrial Use, held in Brussels on 24–25 November 2025. The event brought together leading European projects demonstrating how hydrogen technologies are transitioning from research and development to real industrial applications.
During the dedicated session on hydrogen for clean heat and power, Ertan Yilmaz presented the latest progress of the HyCoFlex project. His presentation highlighted HyCoFlex’s work on developing hydrogen-ready cogeneration solutions for multi-megawatt gas turbines, with the project progressing towards a full 100% hydrogen demonstration at a Smurfit Westrock paper production site. This demonstration represents an important step towards decarbonising energy-intensive industries through flexible and reliable hydrogen-based combined heat and power (CHP) systems.
The session, moderated by the Clean Hydrogen Partnership Project Officer, showcased four flagship projects funded by the Clean Hydrogen Partnership, each addressing different industrial applications for hydrogen technologies. Together, the presentations demonstrated the growing maturity of hydrogen solutions across sectors including industrial manufacturing, aluminium production, data centres, ports, airports, and cogeneration.
HyCoFlex was presented alongside the CLEANER, H2AL, and E2P2 projects, illustrating the breadth of innovation supported by the Clean Hydrogen Partnership and the increasing deployment of hydrogen technologies in operational industrial environments.
The discussions reinforced a clear message: hydrogen for clean heat and power is no longer a future concept but is becoming a practical solution for Europe’s industrial decarbonisation. HyCoFlex is proud to contribute to this transition by advancing flexible, large-scale hydrogen cogeneration technologies that will help accelerate the adoption of renewable hydrogen across European industry.
We thank the Clean Hydrogen Partnership for organising this successful event and all speakers and participants for the valuable exchange of knowledge and experiences.
by Marijn | Jun 29, 2025
HyCoFlex participated in the EU Hydrogen Valley Days 2025, held from 24-25 June 2025 in Brussels and organised by the Clean Hydrogen Partnership and the European Commission. The event brought together policymakers, industry leaders and project representatives to discuss how Hydrogen Valleys are accelerating the deployment of hydrogen technologies across Europe.
Representing HyCoFlex, Ertan Yilmaz (Siemens Energy) joined the Lead Markets – Industry panel, where experts explored the role of hydrogen in decarbonising industrial processes and strengthening Europe’s competitiveness. The discussion highlighted the importance of innovative technologies, including hydrogen-ready cogeneration systems, in supporting the transition to a low-carbon industrial sector.
HyCoFlex was pleased to contribute to the exchange of knowledge and showcase its work on developing flexible, multi-megawatt gas turbine cogeneration systems capable of operating on 100% renewable hydrogen, helping pave the way for cleaner industrial heat and power generation.
