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S3-Hydrogen-Valleys-General-Assembly-in-Brussels-June-2025.

S3 Hydrogen Valleys Partnership kicks off 2025 with General Assembly in Brussels

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The S3 Hydrogen Valleys Partnership held its first General Assembly of the year at the Scotland Europa office in Brussels, bringing together regional representatives, hydrogen experts, and institutional stakeholders from across Europe. The hybrid event, also streamed via Teams, marked a key moment for collaboration and strategic alignment in the development of hydrogen valleys.

The session opened with a review of the Partnership’s progress over the past year, followed by the unveiling of an updated governance structure and the presentation of a new Memorandum of Understanding. Attendees also discussed the annual work plan, which outlines priorities for 2025 and beyond.

Five dedicated working groups shared updates on their respective focus areas:  Natural hydrogen,  Mobility, Investment, Communication, Advocacy.

Regional initiatives took center stage, with highlights including the small-scale hydrogen valley in Scotland and the research efforts of the CH2ESS center in Sweden. These examples showcased the diversity and innovation emerging from local ecosystems.

The day concluded with presentations of flagship hydrogen valley projects that exemplify Europe’s commitment to territorial deployment:

  • HySPARK (Poland)
  • EASTGATEH2V (Slovakia)
  • Hi2 Valley (Austria)
  • CyLH2Valley (Spain, Castilla y León)

These projects reflect the growing momentum behind hydrogen valleys as a cornerstone of the EU’s energy transition strategy, reinforcing the role of regions in shaping a climate-neutral future.

📩 Want to learn more or join the Hydrogen Territories Platform? Visit and explore how your region can contribute to the hydrogen economy.

Participants at the EU Hydrogen Valleys Days 2025 in Brussels

Report from Brussels: Hydrogen valleys move forward as a community

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On June 25, Brussels hosted the first internal workshop of Hydrogen Valleys 2025 funded by the Clean Hydrogen Partnership. Held behind closed doors in the morning, the session brought together all 21 ongoing projects to share updates, establish connections, and lay the groundwork for deeper collaboration. Although time was limited, the meeting helped reinforce a sense of community among territories committed to hydrogen as a driver of development.

In the afternoon, the EU Hydrogen Valleys Days 2025 kicked off, turning the European capital into a hub for dialogue on the territorial deployment of renewable hydrogen. The second day focused on technical presentations from flagship projects such as Green Hysland, HEAVENN, and SH2AMROCK, alongside panels on financing, governance, replicability, and regional value chains.

One of the most prominent cross-cutting themes was the need for technical and professional skills to support this transition. In that context, the HyAcademy initiative was introduced, aiming to train the next generation of hydrogen technology specialists.

This event also featured the launch of the new H2V Facility, awarded to Roland Berger, which will build on the work of the and provide technical assistance (PDA light & plus) to potential hydrogen valleys. The application process will open in summer 2025, with an open call expected on July 11.

The event reaffirmed the role of Hydrogen Valleys as catalysts for a just, decentralized energy transition rooted in interregional cooperation. A vision that continues to grow from the ground up, with each territory contributing its experience and commitment.

For more on replicability, tools, and shared learning, visit the

hydrogen valleys trieres hydrogen territories platform

TRIERES workshop illuminates local hydrogen ecosystems

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The TRIERES hydrogen valley workshop, titled «Hydrogen Innovation for Regional Growth: Enhancing Mobility and Local Value Chains – The Peloponnese Case,» was successfully held in Agioi Theodoroi, Corinth. The event was organized under the auspices of the Region of Peloponnese and the Municipality of Loutraki-Perachora-Agioi Theodoroi.

The workshop served as a vital platform, gathering over 90 in-person participants and more than 60 online attendees from 28 countries. This diverse group comprised representatives from various institutions, industry, academia, and public bodies, all united by a common objective: to explore the potential of small-scale hydrogen valley solutions and the role of green hydrogen within local and regional contexts, specifically referencing the Peloponnese Region and its mobility sector.

Distinguished speakers graced the event with their presence, offering valuable insights:

  • Christos Dimas, Minister of Infrastructure & Transport
  • Nikolaos Tagaras, Deputy Minister of Environment and Energy
  • Dimitrios Ptochos, Governor of the Region of Peloponnese
  • Giorgos Gkionis, Mayor of Loutraki-Perachora-Agioi Theodoroi
  • Athena Foka, Head of Special EU Funds Service, Ministry of Maritime Affairs & Insular Policy
  • Jorgo Chatzimarkakis, CEO, Hydrogen Europe
  • Dionisis Tsimis, Project Officer TRIERES, Clean Hydrogen Partnership
  • Stefano Campagnolo, Project Officer, CINEA
  • Stefanos Agiasoglou, CEO, Road Transport S.A. (OSY)
  • Konstantinos I. Chatzifotis, TRIERES Project Coordinator, European Affairs Manager, Motor Oil Group

The agenda featured four focused panel discussions that delved into critical aspects of hydrogen development:

  1. Building Hydrogen Economies at Local and Regional Level
  2. Hydrogen Mobility
  3. Driving Impact through Policy and Regulation
  4. Hydrogen Technologies and Infrastructures

The workshop concluded with practical demonstrations and networking opportunities, including:

  • A field visit to the first AVIN hydrogen refueling station (HRS) in Agioi Theodoroi
  • A networking gala at the iconic Corinth Canal

H2TERRITORY extends its gratitude to all the speakers, participants, and supporting organizations whose contributions made this an impactful day for regional hydrogen development in the Peloponnese and beyond.

Hydrogen Valleys Days 2025

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The second edition of the Hydrogen Valleys Days will take place on 24-25 June 2025 in Brussels, under the title: “Hydrogen Valleys: Driving Europe’s Competitiveness”. 

Join us at ‘Hydrogen Valleys: Driving Europe’s Competitiveness’ on 24-25 June 2025 in Brussels. Engage with industry leaders, explore pioneering hydrogen projects, and discover opportunities for growth, innovation, and collaboration. Be part of shaping Europe’s clean and competitive energy future!

Register here!

Advancing Hydrogen valleys

Policy Learning Platform highlights advancements in European Hydrogen Valleys

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The Policy Learning Platform hosted a successful webinar on May 6, 2025, focusing on «Advancing Hydrogen Valleys» as key drivers for a sustainable, low-carbon economy. The event brought together policymakers and regional development stakeholders to explore strategies for the effective development and scaling of these crucial hydrogen ecosystems.

The webinar emphasized how hydrogen valleys, by leveraging Smart Specialisation Strategies (S3), interregional collaboration, and tailored governance, can stimulate economic growth while contributing to climate neutrality. Discussions centered on the interplay between regional industrial strategies, technological advancements, and governance models supporting the deployment of hydrogen solutions across various sectors.

Key objectives of the webinar included introducing the hydrogen valley concept, discussing interregional complementarities, examining effective governance models, exploring supporting policy instruments, and showcasing best practices from successful regions.

Key insights from expert speakers:

  • Eng. Barbara Petronio (AREA Science Park, Italy) presented the North Adriatic Hydrogen Valley (NAHV), a pioneering transnational initiative spanning Croatia, Italy, and Slovenia. She highlighted its integrated approach to building a hydrogen-based economic, social, and industrial ecosystem, emphasizing stakeholder engagement and the project’s ambition to create a large-scale renewable hydrogen market.

  • Máximo Arias Day (Balearic Energy Institute, Spain) showcased the Green H2 Roadmap for the Balearic Islands, a good practice from the Green Hysland project featured in UNLOCK. He detailed the public-private collaboration driving the development of a comprehensive hydrogen ecosystem in Mallorca, aiming to establish a Southern European hydrogen hub with significant investment and potential for replication in other island regions.

  • Francisco Vigalondo (Aragon Region, Spain), representing the European Hydrogen Valleys S3 Partnership, provided a broader European perspective. He underscored the vital role of hydrogen valleys in demonstrating the EU’s hydrogen economy at a local level and highlighted the partnership’s efforts in fostering knowledge sharing and project matchmaking among its growing network of member regions.

The webinar underscored the diverse and dynamic landscape of hydrogen valley development across Europe. The presentations highlighted a strong commitment to building integrated hydrogen ecosystems through regional collaboration, strategic planning, and public-private partnerships. The insights shared offer valuable lessons for policymakers and stakeholders seeking to unlock the potential of clean hydrogen for a sustainable future.

More about the presentations:

Barbara Petronio (AREA Science Park, Italy): Petronio presented the North Adriatic Hydrogen Valley (NAHV) initiative, a pioneering transnational project spanning Croatia, Italy, and Slovenia. She emphasized the project’s unique «quadruple helix» model, integrating ahydrogen-based economic, social and industrial ecosystem. With significant funding from the Clean Hydrogen Partnership and a large consortium of partners, NAHV aims to establish a large-scale renewable hydrogen market, produce substantial green hydrogen across the region, and activate numerous pilot applications in industry, energy, and transport. Petronio also highlighted the project’s strong focus on public perception, policy development, capacity building, and stakeholder engagement, underscoring the importance of a robust ecosystem for a successful hydrogen valley.

Máximo Arias (Balearic Energy Institute, Mallorca, Spain): Arias showcased the Green H2 Roadmap for the Balearic Islands, from the Green Hysland project, a good practice recognized by the UNLOCK project. This public-private collaboration aims to deploy a comprehensive hydrogen ecosystem on the island of Mallorca, with a vision towards 2050. The roadmap, based on detailed techno-economic studies and stakeholder consultations, identifies key hydrogen applications across various sectors, including transport, maritime, industry, and energy storage. A significant milestone is the mobilization of €50 million to build an electrolysis plant, aiming to establish the first Southern Europe hydrogen hub in an island context. Arias emphasized the potential for scalability and replication of this model in other island regions and beyond.

Francisco Vigalondo (Aragon Region, representing Hydrogen Europe): Vigalondo provided a broader European perspective through the European Hydrogen Valleys Partnership. He emphasized the growing recognition of hydrogen valleys as vital instruments for showcasing the EU’s hydrogen economy at a local level. The partnership, initiated by Normandy, Auvergne-Rhône-Alpes, and Aragon, now encompasses 67 member regions across several countries, working to foster knowledge sharing and project matchmaking. Francisco Vigalondo highlighted the partnership’s role in facilitating the preparation of proposals for hydrogen valley calls and its ongoing efforts to evolve its methodology and provide technical assistance to its members, aiming to accelerate the development and deployment of hydrogen valleys across Europe.

Key takeaways:

The webinar underscored the diverse and dynamic landscape of hydrogen valley development in Europe. From large-scale transnational initiatives to regional island strategies, and a Europe-wide partnership fostering collaboration, the presentations highlighted the commitment to building integrated hydrogen ecosystems. The focus on production, infrastructure, end-use applications, and the crucial role of regional collaboration and public-private partnerships were recurring themes, demonstrating the collective effort to unlock the potential of clean hydrogen for a sustainable future.

Advancing Hydrogen valleys

Webinar: Advancing hydrogen valleys

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Webinar: Advancing Hydrogen valleys

Event: 06 May 2025
 10 : 49 – 11 : 30 CEST
Online | By Interreg Europe Learning Platform,
By Project UNLOCK
🌱🔋 How can regions power the green industrial transition with hydrogen?

On 6 May 2025, the Interreg Europe Policy Learning Platform is hosting a webinar on Advancing Hydrogen Valleys.

Hydrogen valleys are becoming key drivers of sustainable industrial development—bringing together innovation, investment, and regional cooperation.

What’s on the agenda:
✔️ Introduction to the hydrogen valley concept and its link to Smart Specialisation Strategies (S3)
✔️ Interregional collaboration for hydrogen-based value chains
✔️ Governance models that support effective coordination
✔️ Policy instruments to support hydrogen ecosystems
✔️ Best practices from leading regions

📅 Save your spot and join us to explore how regions can lead the way in hydrogen innovation! 👉https://bit.ly/3RF3ZlK

Empowering islands in the shift to green hydrogen: key takeaways from a recent webinar

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Green Hysland initiated its Technical Support Programme on March 25, 2025, designed to assist islands in the development of green hydrogen projects. A recording and presentation slides from the launch event are now available.

On March 25, 2025, Green Hysland conducted an interactive online seminar to officially introduce its FREE Technical Support Programme, targeted at islands pursuing the creation of green hydrogen initiatives. The online event drew significant global participation, with over 70 attendees representing diverse locations such as French Polynesia, Puerto Rico, Tierra del Fuego, Madeira, Guadeloupe, and various regions of the UK. These participants demonstrated the widespread interest in adopting hydrogen-based solutions for island communities.

Christian Galletta, Project Officer at FEDARENE, opened the session with an overview of the Green Hysland project. This initiative, backed by the Clean Hydrogen Partnership, is establishing a comprehensive green hydrogen ecosystem on the island of Mallorca. This ecosystem integrates solar-driven hydrogen production with refueling stations, injection into gas networks, and utilization by local users, including a port terminal, hotel, municipal building, and public transportation services.

Customized assistance for 10 islands

Enercy’s Managing Director, Katharina Bouchaar, detailed the core components of the new program. Open to islands that are not yet part of Green Hysland, the program delivers no-cost, personalized technical assistance for the creation of pre-feasibility studies focused on hydrogen projects.

Participating islands will gain several benefits:

  • Access to the Hydrogen Territories Platform (HTP) tool
  • Up to three one-on-one mentoring sessions
  • Guidance on project design, collaborations, and funding strategies
  • A final report featuring feasibility insights and tailored recommendations

«This program furnishes customized technical aid, equipping islands with pre-feasibility assessments, mentorship, and guidance to cultivate their own green hydrogen project concepts, spanning from basic applications to intricate hydrogen ecosystems,» explained Katharina Bouchaar of Enercy.

The program will concentrate on areas like local and maritime transport, buildings, tourism-related applications, and storage solutions. To be eligible, applicants must be situated within the EU or associated territories, have access to renewable energy sources, and become members of the Hydrogen Territories Platform.

Selection will be based on:

  • Clarity of the proposed hydrogen project idea
  • Existence of local partnerships
  • Availability of renewable energy
  • Location within the EU/OCT/OR
  • Alignment with broader sustainable energy plans

The application deadline is May 16, 2025, and the selected islands will participate in the program from September 2025 to February 2026.

HTP Tool Demonstration: A Chilean case study

Alberto Herranz from the Aragon Hydrogen Foundation (FHa) provided a demonstration of the HTP tool. This tool, developed using Python and Excel, is designed to simulate hydrogen value chains, encompassing production, transport, and end-use. It facilitates the modeling of technical performance, equipment sizing, and financial viability (CAPEX/OPEX), thereby aiding decision-makers in evaluating the feasibility of potential projects.

Ricardo Rodriguez of H2 Chile presented a live case study from Tierra del Fuego. This example showcased the island’s significant 50,400 MW wind energy potential and its opportunity to pioneer decentralized green hydrogen development. The HTP tool was used to simulate scenarios integrating wind farms, combined heat and power (CHP) systems, and hydrogen mobility solutions.

Islands with an interest in obtaining this free technical support are encouraged to submit their expression of interest by May 16, 2025. Ten beneficiaries will be chosen by June, and they will receive personalized support starting in September.

Express your Interest

Watch the webinar recording

Access the webinar slides

The IMAGHyNE project organises a workshop

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As part of the IMAGHyNE project, coordinated by La Region Auvergne-Rhône-Alpes and supported by the Clean Hydrogen Partnership, AXELERA, together with CARA Transport & Mobility Systems and Tenerrdis, is organising a workshop on 12 June 2025 at the Château de Monchat (Lyon 3rd arrondissement) on the theme of «Making a sustainable transition to renewable, low-carbon hydrogen in industry: current situation, challenges and emerging solutions.»

More information: https://www.axelera.org/fr/evenement/workshop-imaghyne-2025

Hydrogen valleys: catalysts for local and global hydrogen economies

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A significant trend is emerging in the clean energy sector: the development of «Hydrogen Valleys» and «Hydrogen Hubs.» These integrated hydrogen projects, spanning the entire value chain from production to end-use, have been on the rise since the mid-2010s, signaling a major shift towards hydrogen as a key energy carrier, according to Urban Transitions & Clean Hydrogen Missions on the GUIDEBOOK Clean Hydrogen in cities.

These hydrogen valleys are not just industrial sites; they represent a strategic opportunity for cities to lead the way in the hydrogen economy. Cities are uniquely positioned to act as central hubs where hydrogen production, distribution, and utilization converge, creating dynamic and sustainable ecosystems.

Key steps to developing a hydrogen valley

For cities and regions looking to establish their own hydrogen valley, several key steps have been identified:

  • Strategic partnerships: Engaging with economic development agencies and other key players is crucial for aligning the project with local and regional goals.
  • Resource assessment: A thorough evaluation of local production potential and current/future hydrogen needs is essential for effective planning.
  • Stakeholder engagement: Collaboration with energy utilities, project developers, potential users, and the local community ensures project viability and public acceptance.
  • Financial planning: Securing diverse funding sources, both public and private, is vital for building a strong business case.
  • Integrated planning: A cross-sectoral approach and a comprehensive feasibility study are prerequisites for successful project implementation.

Phased development

Hydrogen valley projects typically unfold in a structured series of phases:

  1. Technical studies: Initial studies lay the groundwork for pilot projects.
  2. Demonstration phase: Testing and experimentation validate technologies under real-world conditions.
  3. Analysis and planning: Economic and environmental assessments inform future development and scaling.

Support and resources

To support the growth of hydrogen valleys, key initiatives and platforms are available:

  • The Mission Innovation Hydrogen Valley Platform serves as a global inventory of hydrogen valleys, providing valuable data and insights.
  • Various funding programs are in place to facilitate the development and deployment of hydrogen valley projects.

This information underscores the pivotal role of hydrogen valleys in fostering the hydrogen economy and provides a roadmap for cities and regions to actively participate in this transformative energy shift.

 

h2talk-from-hype-to-pipe-how-hydrogen-valleys-drive-the-h2-economy

H2Talk: from hype to pipe: how hydrogen valleys are powering the future

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Discover how hydrogen valleys are driving the global hydrogen economy and accelerating the clean energy transition.

About the Webinar:

Hydrogen valleys are emerging as critical hubs for the development and deployment of green hydrogen. These integrated ecosystems bring together hydrogen production, distribution, and diverse applications, demonstrating the real-world viability of hydrogen technologies.

This H2Talk webinar will delve into the crucial role of hydrogen valleys in achieving energy security and sustainability. We’ll explore:

  • The European Hydrogen Valley Landscape: Understand the policy support, funding initiatives, and strategic importance of hydrogen valleys in Europe.
  • Global Perspectives: Learn how governments worldwide, including the US, Australia, and South Korea, are investing in hydrogen ecosystems.
  • Real-World Applications: Gain insights from ongoing projects and discover the key factors for successful hydrogen valley development.
  • Funding and Collaboration: Discuss the importance of financial support and international cooperation in driving the hydrogen economy.
  • Market Integration: Explore how to integrate hydrogen valleys into the broader European hydrogen market to meet ambitious 2030 targets.

Join us to learn how hydrogen valleys are moving from concept to reality, bridging the gap between hype and tangible infrastructure.

Who Should Attend:

  • Energy industry professionals
  • Policymakers and government officials
  • Investors and financial stakeholders
  • Researchers and academics
  • Anyone interested in the future of clean energy

Featured Speakers:

  • Danica Maljković, Chair, Clean Hydrogen Partnership Governing Board
  • Sebastian Schuschnig, Regional Minister, Carinthia Austria
  • Beatrice Coda, Head of Unit of the Clean Energy transition Unit, DG RTD, European Commission
  • Adam Weber, Chief Technology Officer, ARCHES
  • Maribel Rodríguez Olmo, Hydrogen Business Development Manager, Repsol
  • Antonio Aguilo, Project Officer, Clean Hydrogen Partnership
  • Moderated by Jorgo Chatzimarkakis, CEO of Hydrogen Europe.

Event Details:

  • Date: 24 March 2025
  • Time: 15:00-16:30 (CET)
  • Type: Online

Key Takeaways:

  • Understand the role of hydrogen valleys in the global energy transition.
  • Learn about funding and policy initiatives supporting hydrogen valley development.
  • Gain insights from expert speakers and real-world case studies.
  • Discover the challenges and opportunities in integrating hydrogen valleys into the market.