Start your 2026 business year at the defining hydrogen event of Central and Eastern Europe. Following three successful editions since 2023, the region’s leading hydrogen and biogas expo returns with a new venue and expanded opportunities.
Central and Eastern Europe’s Leading Hydrogen Technology and Biogas Expo and Conference
About the Hydrogen Open
We look forward to welcoming you to the 2026 Hydrogen Open Conference and Expo edition – the reshaped version of the event that is coming with more: more content, more high-level discussions, more networking and more collaboration.
Participants will gain access to the latest policy developments, market insights, and business opportunities across the hydrogen and biogas sectors — with a special emphasis on hydrogen valleys, agri-tech innovation, energy regulation, and green production solutions.
This three-day, high-level forum will bring together over 500 participants, and more than 100 expert speakers from government, industry, and academia.
The Hydrogen Open is the go-to event to explore opportunities and be fuelled by ideas and new concepts all around hydrogen! People come to discover, learn, network, and be inspired.
The event is a hub for networking, relationship-building, and learning. Attendees will have access to prestigious content discussions at the High-Level Policy Conference and engaging side events over the course of the whole week at the heart of the Carpathian Basin.
Eastern and Central Europe’s Leading Hydrogen Technology and Biogas Expo and Conference
Leading experts from 20 countries on two continents
The conference will feature panels from key stakeholders in the hydrogen industry on the most pressing topics in this new industry, from energy storage to hydrogen production to regulation.
”Start your 2026 business year at the defining hydrogen event of Central and Eastern Europe. Following three successful editions since 2023, the region’s leading hydrogen and biogas expo returns with a new venue and expanded opportunities.
This three-day, high-level forum will bring together over 500 participants, and more than 100 expert speakers from government, industry, and academia.
„Participants will gain access to the latest policy developments, market insights, and business opportunities across the hydrogen and biogas sectors — with a special emphasis on hydrogen valleys, agri-tech innovation, energy regulation, and green production solutions.”
We’re diving deep this year with the conference again with sharp insights, bold questions, and straight-talking discussions.
Three unforgettable days
Others said
About the Hydrogen Open
„This event has now grown into a very high-quality conference, and it is a special pleasure to have been able to personally accompany this process.
An important result is that the future changes discussed at last year’s conference are now starting to become a reality.”
Jorgo Chatzimarkakis
Start your 2026 business year at the defining hydrogen event of Central and Eastern Europe. Following three successful editions since 2023, the region’s leading hydrogen and biogas expo returns with a new venue and expanded opportunities.
Our gallery
New location with expanded opportunities
This three-day, high-level forum will bring together over 500 participants, and more than 100 expert speakers from government, industry, and academia.
BECOME A DETERMINING PLAYER AT HYDROGEN OPEN 2026.
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See what benefits you get as a supporter
Leading spokespeople of 20 countries, EU and domestic legislators in one location
This conference promises to be a pivotal gathering of key stakeholders within the hydrogen industry from the EU, including hydrogen tech SMEs, innovators, corporates seeking innovation, and esteemed experts. Together, we will explore which factors contribute to green hydrogen development, the growth potential of hydrogen as a fuel source in transport, obstacles and risks. Additionally, we will delve into the ever-growing importance of hydrogen technologies in achieving zero-emission goals, opportunities within Europe, and access to valuable European financing resources.
A unique experience in a special environment
The uniquely designed venue provides a special atmosphere and experience for the opportunity to meet in person the stakeholders who determine the future of hydrogen technology.
During the conference, panels made up of the most important stakeholders of the hydrogen industry will appear on the most pressing topics of the new industry, from energy to transportation.
The exhibition option that will define the rest of your business year
Exhibition opportunities tailored to individual needs. The event will be held simultaneously with the AGROmash agricultural exhibition.
Conference speakers and program
CONFERENCE AGENDA
Central Europe’s Leading Hydrogen Technology and Biogas Expo and Conference
January 21 – 23, 2026
January 21st: OPENING DAY
High-level Policy Focus
2in1, Green & Competitive – pathways to hydrogen economy
08:10 – 09:00
Registration
09:00 – 09:10
Welcome address – István Lepsényi, President, Hungarian Hydrogen Technology Association
09:10 – 09:30
Opening presentation – Csaba Gondola, State Secretary for Circular Economy and Climate Policy at the Ministry of Energy
09:30 – 09:45
Opening speech –Tetsuya Kimura, Ambassador of Japan to Hungary
09:45 – 10:00
Keynote Speech – Jorgo Chatzimarkakis, CEO, Hydrogen Europe
Policy’s Role in Balancing Sustainability & Competitiveness
10:00 – 10:20
Japan hydrogen ecosystem – Support programs and best practices, Eiji Ohira
European Representative, Japan Hydrogen Association (JH2A)
10:20 – 11:10
Panel:
Collaboration for competitiveness – International palette of H2 visions and strategies – Ambitions of the H2 Associations
Moderator: Endre Bali Business Development Manager, OXYMA
Panelists:
- Julie Obivalneva, Hytep (Czech Republic),
- Ján Weiterschütz president (Slovakia),
- Carolin Reiser Manager International Affairs H2B (Germany, Bavaria)
Eiji Ohira JH2A (Japan),
- István Lepsényi president MHTSZ (Hungary)
11:10 – 11:40
Coffee Break
11:40 – 12:00
Green Hydrogen Industry in real life-Presentation of the topic MOL presentation – Kornél Tóth – Head of Group Sustainable Business Solutions MOL Group
12:00 – 12:50
Panel:
Green Hydrogen Industry in real life – Sustainable Business Solutions -Panel discussion Sustainable Business Solutions MOL Group
Moderator: Anasztázia Vígh-Kis (MOL, Head of Green Hydrogen Value Chain)
Panelists:
- Ivanov Vitaly BOSCH, director sales and project electrolysis CEE
- Viktor Horváth Deputy Secretary of State, Ministry of Energy
- Csaba Farkas MOL
- Csaba Fekete ALTEO
- Gábor Kovács Hydrogen Business Unit Manager, Messer Hungarogáz Ltd.
- József Nagy, Managing Director Aerzen Hungária Kft.
12:50 – 13:10
Regulation challenges in hydrogen technology – Petr Mervart, Ministry of Industry and Trade, Czech Republic
13:10 – 14:00
Lunch
14:00 – 14:20
Keynote – Enablers or Bottlenecks: Nuretting Tekin, Kawasaki Gas Turbine Europe GmbH
14:20 – 14:40
Hydrogen to energy, energy to hydrogen, Raul Montano, Global Solution Manager – Hydrogen, Hitachi Energy
14:40 – 15:00
Presentation – Innovative ways in hydrogen technology, Stefan Kanya, Director, Business Development CEE, AVL
15:00 – 15:20
Presentation – Financial drivers for the green transition, takeaways from the European Hydrogen Bank construction, Dr.Andor Nagy, Dentons
15:20 – 15:30
Short break
15:30 – 15:50
Presentation – Bosh best practices in Hydrogen technology, Ivanov Vitaly, BOSCH, director sales and project electrolysis CEE
15:50 – 16:40
OUT OF THE BOX – Panel on trends in H2 innovations and development and unique solutions:
Moderator: Ákos Horváth (HUN-REN) Center for Energy Research
- Nimrod Ludescher (BDN Automotive),
Prof. Attila R. Imre, DSc. Department Head (BME),
- János Elek, CEO Hydrogen Revolution Hungary Ltd.,
- Gábor Krasznay Vice President Engineering ME Hungary (Robert Bosch kft),
17:00 – 20:00
H2 Open Welcoming Reception |
January 22nd: MAIN DAY
Energy and Mobility Focus
Keeping hydrogen in motion
08:10 – 09:00
Registration
09:05 – 09:20
Opening speech – Bálint Nagy, State Secretary for Transport, Ministry of Construction and Transport
09:20 – 09:40
Opening remarks: Dr. Kiss Csaba (MVM): Deputy CEO – Chief Generation Officer, Chief Nuclear Officer
09:40 – 10:00
Supplier opportunities and support in Hungary and Central Europe
Ádám Nagy, Ministry of National Economy, deputy state secretary for Industry
10:00 – 10:20
Accelerating Market Uptake of Clean Hydrogen in Europe: Valerie Bouillon-Delporte, executive director, Clean Hydrogen Partnership
10:20 – 10:55
Clean Hydrogen Partnership 2026 calls for proposal – Info session, Q&A: Valerie Bouillon-Delporte, executive director, CHPp
10:55 – 11:20
Coffee Break
Hydrogen transport
11:20 – 11:35
Panel presentation: Karin Beatrix Stehlik, Project manager H2 Readiness Programme, Net4Gas.
11:35 – 12:25
Panel discussion sponsored by FGSZ ZRT
The interrelationship between EU hydrogen transport and the South-East European Hydrogen Corridor Initiative:
- Moderator: Dr. Attila Nyikos (HUN-REN TKI)
Panelists:
- Kacper Żeromski Director, System Development (ENTSOG),
- Abel Enriquez Director (ENNOH),
- Karin Stehlik Project manager H2 Readiness Programme (Net4Gas),
12:25 – 13:15
Lunch break
13:15 – 13:35
Panel presentation: MVM Group’s green strategy: flexibility and future-oriented energy mix – András Prépost (MVM): Hydrogen technology consultant
13:35 – 13:55
Presentation:Overview on hydrogen related developments of Hungarian Gas Storage Ltd – Ákos Kriston, CEO, Hungarian Gas Storage Ltd
13:55 – 14:45
Hydrogen storage and grid balancing:
Moderator: Szabolcs Molnár Director of Power Generation Supervision, Energy Production Management (MVM)
Panelist:
- Raul Montano Global Solution Manager – Hydrogen, Hitachi Energy (Hitachi Energy)
- Nuretting Tekin, Kawasaki Gas Turbine Europe
- Lajos Erdélyi Head of Corporate Affairs (MFGT)
- András Tompos (HUN-REN TTK)
14:45 – 15:05
Hydrogen Mobility – Driving the transition from policy to business –
Prof. Thomas von Unwerth – Chemnitz University
15:05 – 15:15
Short break
15:15 – 15:35
Presentation: Where is the hydrogen sector heading? – Juergen Wageneder, Business Development Manager bei Linde Gas GmbH Österreich
15:35 – 15:55
Presentation: Visible Toyota vision – fully hydrogen-powered society
Stephan Herbst, TOYOTA European Central
15:55 – 16:15
Presentation: Hydrogen Aviation on the Horizon: Germain Hurtado, Hydrogen Technologies and Projects Director, Vinci Airports
15:10 – 16:30
Presentation: Optimized for Today, Mindful of Tomorrow. – Owain Jones, a Wizz Air Chief Corporate Officer, Wizzair
16:30 – 17:30
Panel:
The future of freight and public transport – Who is it for and when is it worth it? Where is the hydrogen train heading?
Panelists:
- László Dr. Mosóczi, president, GYSEV
- Francisco CABRERA, Head of Operations and Safety Deputy
- Stefano Erba, International Union of Railways, Chief Strategy Officer FNM S.p.A.
- János Onódi, Mobility Innovation & Production
- Zoltán Tankó (MÁV Zrt)
18:00 – 21:30
GALA DINER
HUNGEXPO, Congress Center Building „C” Plenary Hall
January 23rd: DAY OF OPPORTUNITIES
„Green Growth”
Biogas and Agriculture Focus – Opportunities and Hydrogen Developments
09:00 – 09:20
Opening remarks: Dr. Balázs Szabó, deputy state secretary Ministry of Agriculture
09:20 – 09:40
Engineering the Future of Biogas: A Technology Provider’s Perspective: Balázs Debreceni, Managing Director Aerzen Hungária Kft.
09:40 – 10:00
Renewable energy developments: opportunities and directions in agriculture – Dr. Anikó Juhász dean’s advisor Széchenyi University
09:40 – 10:00
Development of knowledge base for Hungarian hydrogen and agroenergy projects: István Háber, Renergy Ltd
10:10 – 10:30
Hydrogen powered agriculture: Zoltán Butsi, general secretary, Hungarian Hydrogen Technology Association
10:30 – 10:50
Coffee Break
10:50 – 11:10
How to build a hydrogen project: Frigyes Schannen, partner, Roland Berger
11:10 – 11:30
Panel presentation: The role, status and development areas of biogas: Anita Simon, Alteo
11:30 – 12:20
Biogas for Carbon Neutrality and Energy Security – Infrastructure, Regulation, and Finance
Moderator: Anita Simon (Alteo)
- László Alexa – MATE
- Adrienn Nagy – Pilze-Nagy Kft
- Lóránt Szajkó – Kisalföldi Mezőgazdasági Zrt
- Ádám Ragoncza – NAWARO
- Gábor Kovács Hydrogen Business Unit Manager, Messer Hungarogáz Ltd.
12:20 – 12:40
Q&A session
12:40 – 13:30
B2B conversation
Register here for the free information about the Hungarian Hydrogen Technology Association’s Agricultural Hydrogen Valley program
https://hh2.hu/jelentkezzen-az-agrar-hidrogenvolgy-tajekoztatora/
The region’s featured hydrogen event:
The secret of the success of HYDROGEN OPEN is that the preparations for the hydrogen technological developments and projects that will define the coming decades in Central and Eastern Europe are now underway.
Naturally, there is great interest in a professional event where supply and demand, the latest developments and start-up investments meet.
There are only a few days left to buy your ticket with a 20% discount.
The Early Bird period is ending soon.
Only until January 5th
Click here
SEE WHAT OPPORTUNITIES THE HYDROGEN OPEN EXPO OFFERS YOU FROM JANUARY 21 TO 24
Find the best solution to showcase your company. Choose from pre-built booths, reserve an exhibitor space, or build a stand that matches your own image.
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Buy a sponsor ticket and become a prominent figure at the conference, enjoying unique benefits.
Be a featured guest at Hydrogen Open and meet key players in technology and regulation at unique event venues.
Secure your place at the Hydrogen Open high-level conference and hear from key players in technology and regulation.
Be our guest for coffee and refreshments during the conference break.
Have any questions? We are always open to talk about your business, new projects, creative opportunities and how we can help you.
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This happened in 2025
Nearly 300 international and domestic hydrogen technology experts and policymakers from nine countries discussed our future in Budapest at the Hydrogen Open 2025 conference.
At the two-day conference, leaders and regulatory decision-makers from important domestic and European industrial players who expressed their opinions and discussed the expected role and development potential of hydrogen.
The platinum sponsor of the event is MOLGROUP
23rd – 24th of January 2025 the event will unite key stakeholders, including hydrogen tech companies, innovators, corporates seeking innovation, and experts.
Hydrogen Open 2025 Budapest event in pictures
Presentations and videos
004 Hydrogen valleys Opportunities and results of deployment of hydrogen in support of regional and national strategies
PLATINUM SPONSOR
Event organizer
GOLD SPONSOR
BRONZE SPONSORS
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Promotional code: hydrogen
With registration -10%
https://all.accor.com/loyalty-program/reasonstojoin/index.en.shtml
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Talk to us
Have any questions? We are always open to talk about your business, new projects, creative opportunities and how we can help you.
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