Closed

Improvements in lifetime and cost of low temperature electrolysers by introducing advanced materials and components in stacks and balance of plant

HORIZON JU Research and Innovation Actions

Basic Information

Identifier
HORIZON-JU-CLEANH2-2025-01-01
Programme
HORIZON-JU-CLEANH2-2025
Programme Period
2021 - 2027
Status
Closed (31094503)
Opening Date
January 30, 2025
Deadline
April 23, 2025
Deadline Model
single-stage
Budget
€184,500,000
Min Grant Amount
€1,000,000
Max Grant Amount
€1,000,000
Expected Number of Grants
1
Keywords
HORIZON-JU-CLEANH2-2025-01-01HORIZON-JU-CLEANH2-2025Hydrogen

Description

Expected Outcome:

According to IEA’s Global Hydrogen Review 2023[1], the global hydrogen production in 2022 was dominated by the use of fossil fuels while low-emission hydrogen production was less than 0.7% of the global production. A large number of low-emission hydrogen production projects are under development with projected annual production of up to 38 Mt by 2030. Among these, electrolysers projects dominate and aim at reaching 70% of low-emission hydrogen production. Particularly, Europe announced to account almost 30% of such electrolytic hydrogen projects by 2030 and is focused on projects boosting the supply of low-carbon and renewable hydrogen.

Given hydrogen's potential as a clean energy vector and chemical feedstock, and its applicability across various sectors including transportation, industry, and integration of renewables in the power grid, optimising the efficiency and longevity of electrolysers is of paramount importance. This necessity gives rise to the significance of this topic, aimed at developing advanced materials and/or components for the stack and BoP (Balance of Plant), by understanding and mitigating the degradation mechanisms of low temperature electrolyser components, while at the same time further improving their performance and reducing their reliance on critical raw materials (CRM). By focusing on the development and integration of advanced materials in stack, and BoP components that don’t induce degradation or reliability issues or even mitigate degradation, proposals are expected to make a substantial contribution to prolong the lifetime of low temperature electrolysers and demonstrate cost reduction.

Project results are expected to contribute to the following outcomes:

  • Development of advanced cell, stack, and BoP components, including functional and structural materials exhibiting an improved performance and engineered to counteract degradation mechanisms;
  • Increasing the lifetime of electrolysers;
  • Innovations that reduce the need for CRM and/or Platinum Group Metals (PGM);
  • Improved circularity of materials and components;
  • Increase understanding of relevant degradation mechanisms of materials and/or components and demonstrating effective mitigation using developed materials and/or components.

The topic is expected to contribute to the following objectives of the Clean Hydrogen Joint Undertaking Strategic Research and Innovation Agenda (SRIA):

  • Reduce the OPEX (operational expenditures) of low-temperature electrolysers by prolonging the lifetime, reducing the efficiency loss over time, and/or reduce the maintenance costs.
  • Reduce the CAPEX (capital expenditures) of low-temperature electrolysers, for example, by using less CRM and/or PGM for materials and components.
  • Improving dynamic operation and efficiency, with high durability and reliability, especially when operating dynamically and integrated with renewables.

The project results are expected to contribute to the 2030 Key Performance Indicators (KPI) of the SRIA:

  • Alkaline Electrolysis (AEL)
    • Degradation: 0.10 %/1000 h
    • Performance: 1.0 A/cm2 at 48 kWh/kg efficiency (system level)
    • CAPEX: 800 €/(kg/d)
    • OPEX: 35 €/(kg/d)/y
    • Critical raw materials as catalyst: 0 mg/W
  • Proton Exchange Membrane Electrolysis (PEMEL)
    • Degradation: 0.12 %/1000 h
    • Performance: 3.0 A/cm2 at 48 kWh/kg efficiency (system level)
    • CAPEX: 1000 €/(kg/d)
    • OPEX: 21 €/(kg/d)/y
    • Critical raw materials as catalyst :0.25 mg/W
  • Anion Exchange Membrane Electrolysis (AEMEL)
    • Degradation: 0.5 %/1000 h
    • Performance: 1.5 A/cm2 at 48 kWh/kg efficiency (system level)
    • CAPEX: 600 €/(kg/d)
    • OPEX: 21 €/(kg/d)/y
    • Critical raw materials as catalyst :0 mg/W

In addition: at system level the following SRIA KPIs are relevant:

  • Hot idle ramp time:
    • AEL: 10 seconds
    • PEMEL: 1 second
    • AEMEL: 5 seconds
  • Cold start ramp time:
    • AEL: 300 seconds
    • PEMEL: 10 seconds
    • AEMEL: 150 seconds
Scope:

The scope of the topic is to address the lifetime, performance and cost of low temperature electrolysers at system level by developing, designing and testing advanced functional and structural materials and/or components for the cell, stack, and BoP.

The topic seeks to enhance the performance and durability of low temperature electrolysers by addressing not only the inherent degradation of the cell/stack itself but also the degradation that might occur on the stack due to interactions with BoP components. For instance, issues such as corrosion and leaching out of ions from piping that can contaminate the feed water, or ripple effects and electrical failures from power converters that can significantly shorten the stack's operational life.

The main objective is to develop advanced cell and stack materials and BoP components that don’t induce degradation or reliability issues or even mitigate degradation and improve overall system durability.

The proposals should address the following elements:

  • Investigate and further develop advanced materials for cell, stack, and BoP components to further increase performance and extend the lifetime of low temperature electrolysers;
  • Optimise BoP components and architectures to minimise their impact on stack degradation and improve overall system performances and lifetime; also taking care of footprint of those elements in the view of designing future GW size plants;
  • Validate novel solutions in relevant testing conditions to demonstrate their effectiveness in improving the lifetime compared to the baseline. The baseline should match state-of-the-art at the start of the project and be substantiated in the proposal. Additionally, modelling activities may be employed to support these validations;
  • Demonstrate the improved lifetime at system level using an industrially relevant stack of > 20 kW by testing under relevant conditions for a minimum of 2000 hours. Validation should be compatible with system level. It is expected that proposals explain their approach towards this. An example could be the use of a hardware-in-the-loop approach to simulate the operation of system components that are not part of the targeted development;
  • In line with the TRL level aimed at the end of the project, the targeted level of hydrogen purity and outlet pressure should be indicated and taken into account when performing cost-calculations;
  • Describe how the dynamic conditions arising from connection to the renewable grid will be addressed and justify the chosen approach (for example simulation of fluctuating power input from renewable energy);
  • Sustainability, circularity and recycling aspects for the chosen materials and their manufacturing processes and perform techno-economic and life cycle assessments for the chosen developments.

The expected TRL step at the end of the project should increase from TRL 3 to 5 or from TRL 4 to 6 depending on the chosen technology. Proposals should be aware of the current maturity level of the different technologies and should define their initial and final TRLs accordingly. In general, the technologies have a different maturity level and thus it may be expected that for PEMEL and AEL materials and component innovation would correspond with a TRL 4 to 6 step, whereas for AEMEL this could correspond to a TRL 3 to 5 step. Proposals are also expected to reach the 2030 SRIA targets as mentioned above. The following activities are within the scope of this project and the proposal should meet at least three of the following points and should include the two first points:

  • Investigate and further develop advanced cell components such as, but not limited to, electrodes (with minimised loading of CRM/PGM), membranes/electrolyte separators, functional additives (e.g. radical scavengers), joints and sealings, coatings, stack components such as bipolar plates and associated manufacturing processes that can realise CAPEX reduction and lifetime improvements at stack level under realistic operating conditions;
  • Investigate and further develop advanced BoP components that prolong the lifetime of electrolysers, for example but not limited to: innovative H2 compressors, power electronics that reduce (the effect of) ripples, minimise corrosion and leaching out of ions from the BoP parts such as piping and pumps by using alternative materials and/or coatings, and/or minimise the effect of impurities in the water feed for example by ion exchange;
  • Understand through experiments the different mechanisms affecting the performance of cell components such as the examples mentioned above during stack operation, and how the proposed development minimises the degradation along extended operation under realistic conditions. Modelling activities can be used to support these findings;
  • Develop protocols for accelerated ageing and degradation monitoring that specifically target ageing mechanisms complementing the existing EU-harmonised testing protocols for low temperature electrolysis;
  • Understand and minimise the impact of dynamic operation and grid integration, such as start/stop events and load fluctuations, under realistic operating conditions;
  • Develop a lifetime model with a predictive value based on data acquired by testing at lab scale and stack scale.

Proposals are expected to build further on the findings and targets of previous projects and find synergies with running projects in which the improvement of the lifetime at stack level of low-temperature electrolysers was within the scope. It is encouraged to find synergies with the ELECTROLIFE[2] project, supported by the JU, that focuses on comprehensive understanding of electrolyser degradation mechanisms through testing and modelling. It is also encouraged to have an electrolyser (stack) manufacturer in the consortium for this topic.

Proposals are also expected to build on previous projects (ANIONE[3], CHANNEL[4], ELECTROHYPEM[5], NEPTUNE[6], NEWELY[7], NEXPEL[8], NOVEL[9], PRETZEL[10]) and find synergy with existing projects (HyScale[11], HERAQCLES[12], AEMELIA[13], ENDURE[14], EXSOTHyC[15], SEAL-HYDROGEN[16]) in which the development of novel materials is/was in scope. In addition, synergy and learnings can be found with previous projects on the coupling of low temperature electrolysis with renewables such as DEMO4GRID[17], ELY4OFF[18], ELYGRID[19], ELYntegration[20].

Proposals should address the manufacturability of the components and materials to be developed. It is expected to provide a well-documented assessment of the scalability of manufacturing processes and procedures, as well as the sustainability and circularity of the selected materials and their production methods.

For activities developing test protocols and procedures for the performance and durability assessment of electrolysers and fuel cell components proposals should foresee a collaboration mechanism with JRC[21] (see section 2.2.4.3 "Collaboration with JRC"), in order to support EU-wide harmonisation. Test activities should adopt the already published EU harmonised testing protocols[22] to benchmark performance and quantify progress at programme level.

For additional elements applicable to all topics please refer to section 2.2.3.2.

Activities are expected to start at TRL 3-4 and achieve TRL 5-6 by the end of the project - see General Annex B.

The JU estimates that an EU contribution of maximum EUR 4.00 million would allow these outcomes to be addressed appropriately.

The conditions related to this topic are provided in the chapter 2.2.3.2 of the Clean Hydrogen JU 2025 Annual Work Plan and in the General Annexes to the Horizon Europe Work Programme 2023–2025 which apply mutatis mutandis

[1] IEA (2023), Global Hydrogen Review 2023, IEA, Paris https://www.iea.org/reports/global-hydrogen-review-2023, Licence: CC BY 4.0

[2] https://cordis.europa.eu/project/id/101137802

[3] https://cordis.europa.eu/project/id/875024

[4] https://cordis.europa.eu/project/id/875088

[5] https://cordis.europa.eu/project/id/300081

[6] https://cordis.europa.eu/project/id/779540

[7] https://cordis.europa.eu/project/id/875118

[8] https://cordis.europa.eu/project/id/245262

[9] https://cordis.europa.eu/project/id/303484

[10] https://cordis.europa.eu/project/id/779478

[11] https://cordis.europa.eu/project/id/101112055

[12] https://cordis.europa.eu/project/id/101111784

[13] https://cordis.europa.eu/project/id/101137912

[14] https://cordis.europa.eu/project/id/101137925

[15] https://cordis.europa.eu/project/id/101137604

[16] https://cordis.europa.eu/project/id/101137915

[17] https://cordis.europa.eu/project/id/736351

[18] https://cordis.europa.eu/project/id/700359/es

[19] https://cordis.europa.eu/project/id/278824

[20] https://cordis.europa.eu/project/id/671458

[21] https://www.clean-hydrogen.europa.eu/knowledge-management/collaboration-jrc-0_en

[22] https://www.clean-hydrogen.europa.eu/knowledge-management/collaboration-jrc-0/clean-hydrogen-ju-jrc-deliverables_en

Eligibility & Conditions

General conditions

1. Admissibility Conditions: Proposal page limit and layout

described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes.

Proposal page limits and layout: described in Part B of the Application Form available in the Submission System.

Page limit for Innovation Actions: For all Innovation Actions the page limit of the applications are 70 pages.

2. Eligible Countries

described in Annex B of the Work Programme General Annexes.

A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects. See the information in the Horizon Europe Programme Guide.

3. Other Eligibility Conditions

described in Annex B of the Work Programme General Annexes.

Additional eligibility condition: Maximum contribution per topic

For some topics, in line with the Clean Hydrogen JU SRIA, an additional eligibility criterion has been introduced to limit the Clean Hydrogen JU requested contribution mostly for actions performed at high TRL level, including demonstration in real operational environment and with important involvement from industrial stakeholders and/or end users such as public authorities. Such actions are expected to leverage co-funding as commitment from stakeholders. It is of added value that such leverage is shown through the private investment in these specific topics. Therefore, proposals requesting contributions above the amounts specified per each topic below will not be evaluated:

- HORIZON-JU-CLEANH2-2025-01-04: The maximum Clean Hydrogen JU contribution that may be requested is EUR 6.00 million

- HORIZON-JU-CLEANH2-2025-01-06: The maximum Clean Hydrogen JU contribution that may be requested is EUR 8.00 million

- HORIZON-JU-CLEANH2-2025-02-03: The maximum Clean Hydrogen JU contribution that may be requested is EUR 6.00 million

- HORIZON-JU-CLEANH2-2025-04-01: The maximum Clean Hydrogen JU contribution that may be requested is EUR 5.00 million

- HORIZON-JU-CLEANH2-2025-06-01: The maximum Clean Hydrogen JU contribution that may be requested is EUR 20.00 million

- HORIZON-JU-CLEANH2-2025-06-02: The maximum Clean Hydrogen JU contribution that may be requested is EUR 9.00 million



Additional eligibility condition: Membership to Hydrogen Europe / Hydrogen Europe Research

For the topics listed below, in line with the Clean Hydrogen JU SRIA, an additional eligibility criterion has been introduced to ensure that one partner in the consortium is a member of either Hydrogen Europe or Hydrogen Europe Research. This concerns topics targeting actions for large-scale demonstrations, flagship projects and strategic research actions, where the industrial and research partners of the Clean Hydrogen JU are considered to play a key role in accelerating the commercialisation of hydrogen technologies by being closely linked to the Clean Hydrogen JU constituency, which could further ensure full alignment with the SRIA of the JU. This approach shall also ensure the continuity of the work performed within projects funded through the H2020 and FP7, by building up on their experience and consolidating the EU value-chain. In the Call 2025 this applies to: demonstration of efficient electrolysis coupling with variable renewable electricity and/or heat integration, demonstration of innovative hydrogen and solid carbon production from renewable gases/biogenic waste processes, demonstration of scalable ammonia cracking technology, and demonstration of stationary fuel cells in renewable energy communities. This will also apply to the Hydrogen Valley (flagship) topics as they are considered of strategic importance for the European Union ambitions to double the number of Hydrogen Valleys by 2025. For the Hydrogen Valleys topics a large amount of co-investment/cofunding of project participants/beneficiaries including national and regional programmes is expected.

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02

4. Financial and operational capacity and exclusion

described in Annex C of the Work Programme General Annexes.

5a. Evaluation and award: Award criteria, scoring and thresholds

are described in Annex D of the Work Programme General Annexes.

5b. Evaluation and award: Submission and evaluation processes

are described in Annex F of the Work Programme General Annexes and the Online Manual.



STEP (Sovereignty) Seal

For the topics below topics the STEP Seal (so called “Sovereignty Seal” under the STEP Regulation) will be awarded to proposals exceeding all of the evaluation thresholds set out in this Annual Work Programme. The STEP Seal is a label, which aims to increase the visibility of quality projects available for funding and help attract alternative and cumulative funding for quality projects, and simultaneously to provide a potential project pipeline for regional and national programmes

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02

5c. Evaluation and award: Indicative timeline for evaluation and grant agreement

described in Annex F of the Work Programme General Annexes.

6. Legal and financial set-up of the grants

Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025) [[This decision is available on the Funding and Tenders Portal, in the reference documents section for Horizon Europe, under ‘Simplified costs decisions’ or through this link: https://ec.europa.eu/info/funding-tenders/opportunities/docs/2021-2027/horizon/guidance/ls-decision_he_en.pdf]].

described in Annex G of the Work Programme General Annexes.



In addition to the standard provisions, the following specific provisions in the model grant agreement will apply:

1. Lump Sum

This year’s call for proposals will take the form of lump sums as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021- 2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025).

Lump sums will be used across all topics in the Call 2025.



2. Full capitalised costs for purchases of equipment, infrastructure or other assets purchased specifically for the action

For some topics, in line with the Clean Hydrogen JU SRIA, mostly large-scale demonstrators or flagship projects specific equipment, infrastructure or other assets purchased specifically for the action (or developed as part of the action tasks) can exceptionally be declared as full capitalised costs. This concerns the topics below:

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02



3. Subcontracting

For all topics: an additional obligation regarding subcontracting has been introduced, namely that subcontracted work may only be performed in target countries set out in the call conditions.

The beneficiaries must ensure that the subcontracted work is performed in the countries set out in the call conditions.

The target countries are all Member States of the European Union and all Associated Countries.



4. Intellectual Property Rights (IPR), background and results, access rights and rights of use (article 16 and Annex 5 of the Model Grant Agreement (MGA))

An additional information obligation has been introduced for topics including standardisation activities: ‘Beneficiaries must, up to 4 years after the end of the action, inform the granting authority if the results could reasonably be expected to contribute to European or international standards’. These concerns the topics below:

- HORIZON-JU-CLEANH2-2025-02-01

Specific conditions

described in the chapter 2.2.3.2 of the Clean Hydrogen JU 2025 Annual Work Programme

Support & Resources

Online Manual is your guide on the procedures from proposal submission to managing your grant.

Horizon Europe Programme Guide contains the detailed guidance to the structure, budget and political priorities of Horizon Europe.

Funding & Tenders Portal FAQ – find the answers to most frequently asked questions on submission of proposals, evaluation and grant management.

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CEN-CENELEC Research Helpdesk and ETSI Research Helpdesk – the European Standards Organisations advise you how to tackle standardisation in your project proposal.

The European Charter for Researchers and the Code of Conduct for their recruitment – consult the general principles and requirements specifying the roles, responsibilities and entitlements of researchers, employers and funders of researchers.

Partner Search help you find a partner organisation for your proposal.

Specific FAQ document from call HORIZON-JU-CLEANH2-2025

Latest Updates

Last Changed: August 8, 2025

CALL UPDATE:

An overview of the evaluation results for the call HORIZON-JU-CLEANH2-2025 is now available. More information can be found in this document: FLASH EVALUATION RESULTS

Last Changed: April 24, 2025

CALL UPDATE: PROPOSAL NUMBERS



Call HORIZON-JU-CLEANH2-2025 has closed on the 23/04/2025.

212 proposals have been submitted.



The breakdown per topic is:

RENEWABLE HYDROGEN PRODUCTION

-HORIZON-JU-CLEANH2-2025-01-01: 21 proposals

-HORIZON-JU-CLEANH2-2025-01-02: 10 proposals

-HORIZON-JU-CLEANH2-2025-01-03: 11 proposals

-HORIZON-JU-CLEANH2-2025-01-04: 9 proposals

-HORIZON-JU-CLEANH2-2025-01-05: 8 proposals

-HORIZON-JU-CLEANH2-2025-01-06: 14 proposals

-HORIZON-JU-CLEANH2-2025-01-07: 15 proposals



HYDROGEN STORAGE AND DISTRIBUTION

-HORIZON-JU-CLEANH2-2025-02-01: 9 proposals

-HORIZON-JU-CLEANH2-2025-02-02: 10 proposals

-HORIZON-JU-CLEANH2-2025-02-03: 7 proposals



HYDROGEN END USES: TRANSPORT APPLICATIONS

-HORIZON-JU-CLEANH2-2025-03-01: 9 proposals

-HORIZON-JU-CLEANH2-2025-03-02: 7 proposals

-HORIZON-JU-CLEANH2-2025-03-03: 7 proposals



HYDROGEN END USES: CLEAN HEAT AND POWER

-HORIZON-JU-CLEANH2-2025-04-01: 19 proposals



CROSS-CUTTING

-HORIZON-JU-CLEANH2-2025-05-01: 7 proposals

-HORIZON-JU-CLEANH2-2025-05-02: 8 proposals

-HORIZON-JU-CLEANH2-2025-05-03: 6 proposals



HYDROGEN VALLEYS

-HORIZON-JU-CLEANH2-2025-06-01: 16 proposals

-HORIZON-JU-CLEANH2-2025-06-02: 19 proposals



Evaluation results are expected to be communicated in August 2025.

Last Changed: April 15, 2025

Notice to Applicants (15/04/2025)

Please note that we will no longer be accepting questions regarding the current call for proposals HORIZON-JU-CLEANH2-2025. We appreciate your interest and encourage you to refer to the published documentation for any remaining clarifications.

Last Changed: April 15, 2025

Errata Notice - Topic HORIZON-JU-CLEANH2-2025-01-05

The correct text for topic HORIZON-JU-CLEANH2-2025-01-05 stipulates:

"Furthermore, project results are expected to contribute to the following KPIs, targeted at co-electrolyser scale, specific for three high temperature co-electrolysis technologies: Oxide and Proton conductive Solid Oxide electrolysers (SOEL, PCCEL) and Molten Carbonate Electrolyser (MCE):

Oxide conductive Solid Oxide electrolysers (SOEL)

  • Power to syngas efficiency: 0.9 kWLHV /kWe
  • Degradation in operating conditions: 0.8 %/1000h @1A/cm²
  • Unit cost: 500 €/kW

Proton Conductive Ceramic electrolysers (PCCEL)

  1. Power to syngas efficiency: 0.9 kWLHV/ kWe
  2. Degradation in operating conditions: 0.8 %/1000h @0.75A/cm²
  3. Unit cost: 500 €/kW

Molten Carbonate electrolysers (MCE)

  1. Power to syngas efficiency: 0.93 kWLHV/ kWe
  2. Degradation in operating conditions: 0.5 %/1000h @0.5A/cm²
  3. Unit cost: 500 €/kW

KPIs are defined for the main high temperature co-electrolysis techniques, derived from the SRIA and from results of previous EU funded projects."

Last Changed: April 3, 2025

Errata Notice – Topic Conditions



We appreciate your attention to this information. Please be advised that the Topic Conditions are provided below, as they were not displayed correctly under each topic. These conditions apply to all topics across the entire call.

We kindly ask you to refer to the information below and in the AWP2025 to ensure compliance with the applicable requirements.



General conditions



1. Admissibility Conditions: Proposal page limit and layout

described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes.

Proposal page limits and layout: described in Part B of the Application Form available in the Submission System.

Page limit for Innovation Actions: For all Innovation Actions the page limit of the applications are 70 pages.

2. Eligible Countries 

described in Annex B of the Work Programme General Annexes.

A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects. See the information in the Horizon Europe Programme Guide.

3. Other Eligibility Conditions 

described in Annex B of the Work Programme General Annexes.

Additional eligibility condition: Maximum contribution per topic

For some topics, in line with the Clean Hydrogen JU SRIA, an additional eligibility criterion has been introduced to limit the Clean Hydrogen JU requested contribution mostly for actions performed at high TRL level, including demonstration in real operational environment and with important involvement from industrial stakeholders and/or end users such as public authorities. Such actions are expected to leverage co-funding as commitment from stakeholders. It is of added value that such leverage is shown through the private investment in these specific topics. Therefore, proposals requesting contributions above the amounts specified per each topic below will not be evaluated:

- HORIZON-JU-CLEANH2-2025-01-04: The maximum Clean Hydrogen JU contribution that may be requested is EUR 6.00 million

- HORIZON-JU-CLEANH2-2025-01-06: The maximum Clean Hydrogen JU contribution that may be requested is EUR 8.00 million

- HORIZON-JU-CLEANH2-2025-02-03: The maximum Clean Hydrogen JU contribution that may be requested is EUR 6.00 million

- HORIZON-JU-CLEANH2-2025-04-01: The maximum Clean Hydrogen JU contribution that may be requested is EUR 5.00 million

- HORIZON-JU-CLEANH2-2025-06-01: The maximum Clean Hydrogen JU contribution that may be requested is EUR 20.00 million

- HORIZON-JU-CLEANH2-2025-06-02: The maximum Clean Hydrogen JU contribution that may be requested is EUR 9.00 million



Additional eligibility condition: Membership to Hydrogen Europe / Hydrogen Europe Research

For the topics listed below, in line with the Clean Hydrogen JU SRIA, an additional eligibility criterion has been introduced to ensure that one partner in the consortium is a member of either Hydrogen Europe or Hydrogen Europe Research. This concerns topics targeting actions for large-scale demonstrations, flagship projects and strategic research actions, where the industrial and research partners of the Clean Hydrogen JU are considered to play a key role in accelerating the commercialisation of hydrogen technologies by being closely linked to the Clean Hydrogen JU constituency, which could further ensure full alignment with the SRIA of the JU. This approach shall also ensure the continuity of the work performed within projects funded through the H2020 and FP7, by building up on their experience and consolidating the EU value-chain. In the Call 2025 this applies to: demonstration of efficient electrolysis coupling with variable renewable electricity and/or heat integration, demonstration of innovative hydrogen and solid carbon production from renewable gases/biogenic waste processes, demonstration of scalable ammonia cracking technology, and demonstration of stationary fuel cells in renewable energy communities. This will also apply to the Hydrogen Valley (flagship) topics as they are considered of strategic importance for the European Union ambitions to double the number of Hydrogen Valleys by 2025. For the Hydrogen Valleys topics a large amount of co-investment/cofunding of project participants/beneficiaries including national and regional programmes is expected.

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02

4. Financial and operational capacity and exclusion 

described in Annex C of the Work Programme General Annexes.

5a. Evaluation and award: Award criteria, scoring and thresholds 

are described in Annex D of the Work Programme General Annexes.

5b. Evaluation and award: Submission and evaluation processes 

are described in Annex F of the Work Programme General Annexes and the Online Manual.



STEP (Sovereignty) Seal

For the topics below topics the STEP Seal (so called “Sovereignty Seal” under the STEP Regulation) will be awarded to proposals exceeding all of the evaluation thresholds set out in this Annual Work Programme. The STEP Seal is a label, which aims to increase the visibility of quality projects available for funding and help attract alternative and cumulative funding for quality projects, and simultaneously to provide a potential project pipeline for regional and national programmes

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02

5c. Evaluation and award: Indicative timeline for evaluation and grant agreement 

described in Annex F of the Work Programme General Annexes.

6. Legal and financial set-up of the grants 

Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025) [[This decision is available on the Funding and Tenders Portal, in the reference documents section for Horizon Europe, under ‘Simplified costs decisions’ or through this link: https://ec.europa.eu/info/funding-tenders/opportunities/docs/2021-2027/horizon/guidance/ls-decision_he_en.pdf]].

described in Annex G of the Work Programme General Annexes.



In addition to the standard provisions, the following specific provisions in the model grant agreement will apply:

1. Lump Sum

This year’s call for proposals will take the form of lump sums as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021- 2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025).

Lump sums will be used across all topics in the Call 2025.



2. Full capitalised costs for purchases of equipment, infrastructure or other assets purchased specifically for the action

For some topics, in line with the Clean Hydrogen JU SRIA, mostly large-scale demonstrators or flagship projects specific equipment, infrastructure or other assets purchased specifically for the action (or developed as part of the action tasks) can exceptionally be declared as full capitalised costs. This concerns the topics below:

- HORIZON-JU-CLEANH2-2025-01-04

- HORIZON-JU-CLEANH2-2025-01-06

- HORIZON-JU-CLEANH2-2025-02-03

- HORIZON-JU-CLEANH2-2025-04-01

- HORIZON-JU-CLEANH2-2025-06-01

- HORIZON-JU-CLEANH2-2025-06-02



3. Subcontracting

For all topics: an additional obligation regarding subcontracting has been introduced, namely that subcontracted work may only be performed in target countries set out in the call conditions.

The beneficiaries must ensure that the subcontracted work is performed in the countries set out in the call conditions.

The target countries are all Member States of the European Union and all Associated Countries.



4. Intellectual Property Rights (IPR), background and results, access rights and rights of use (article 16 and Annex 5 of the Model Grant Agreement (MGA))

An additional information obligation has been introduced for topics including standardisation activities: ‘Beneficiaries must, up to 4 years after the end of the action, inform the granting authority if the results could reasonably be expected to contribute to European or international standards’. These concerns the topics below:

- HORIZON-JU-CLEANH2-2025-02-01

Specific conditions 

 

Documents



Application and evaluation forms and model grant agreement (MGA): 



Application form templates

Application form - Part B (HE CleanH2 RIA, IA)

Application form - Part B (HE CleanH2 CSA)

Evaluation form templates

Standard evaluation form (HE RIA, IA)

Standard evaluation form (HE CSA)

Guidance

HE Programme Guide 

Model Grant Agreements (MGA)

Lump Sum MGA 

Call-specific instructions 

Detailed budget table (HE LS) 

Clean Hydrogen JU - Annual Work Programme 2025 (AWP 2025)

 - AWP 2025

Clean Hydrogen JU - Strategic Research and Innovation Agenda (SRIA) 

- SRIA Clean Hydrogen JU

Lump Sums Guidance

Guidance: "Lump sums - what do I need to know?"

Comprehensive information on lump sum funding in Horizon Europe 

Additional documents: 



HE Main Work Programme 2023–2025 – 1. General Introduction

HE Main Work Programme 2023–2025 – 13. General Annexes

HE Programme Guide

HE Framework Programme 2021/695

HE Specific Programme Decision 2021/764 

EU Financial Regulation 2024/2509

Rules for Legal Entity Validation, LEAR Appointment and Financial Capacity Assessment 

EU Grants AGA — Annotated Model Grant Agreement 

Funding & Tenders Portal Online Manual 

Funding & Tenders Portal Terms and Conditions 

Funding & Tenders Portal Privacy Statement



Last Changed: March 31, 2025

The excel detailed budget table available in the submission system “Download Part B templates” section had outdated values for the SME owner unit cost category.

Today, the issue has been rectified and the template available is the correct version, containing up-to-date values for the SME owner unit cost category.

Please make sure you download and use the correct budget table in your submission.

For the applicants that have already submitted their proposals, please be aware that the system still allows you to edit and re-submit your proposal using the updated excel template.

Last Changed: March 14, 2025

In section "Get support" the Specific FAQ document from call HORIZON-JU-CLEANH2-2025 has been updated

Last Changed: February 20, 2025

In section "Get support" the Specific FAQ document from call HORIZON-JU-CLEANH2-2025 has been updated

Last Changed: January 30, 2025
The submission session is now available for: HORIZON-JU-CLEANH2-2025-05-03, HORIZON-JU-CLEANH2-2025-05-02, HORIZON-JU-CLEANH2-2025-02-01, HORIZON-JU-CLEANH2-2025-03-03, HORIZON-JU-CLEANH2-2025-01-05, HORIZON-JU-CLEANH2-2025-01-01, HORIZON-JU-CLEANH2-2025-02-03, HORIZON-JU-CLEANH2-2025-05-01, HORIZON-JU-CLEANH2-2025-02-02, HORIZON-JU-CLEANH2-2025-06-02, HORIZON-JU-CLEANH2-2025-01-07, HORIZON-JU-CLEANH2-2025-06-01, HORIZON-JU-CLEANH2-2025-03-02, HORIZON-JU-CLEANH2-2025-03-01, HORIZON-JU-CLEANH2-2025-01-02, HORIZON-JU-CLEANH2-2025-04-01, HORIZON-JU-CLEANH2-2025-01-06, HORIZON-JU-CLEANH2-2025-01-04, HORIZON-JU-CLEANH2-2025-01-03
Improvements in lifetime and cost of low temperature electrolysers by introducing advanced materials and components in stacks and balance of plant | Grantalist