Novel approaches to geothermal resources development

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Code: 37290 | Identifier Code: HORIZON-CL5-2025-02-D3-03 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

Proposals should focus on demonstrating innovative approaches to resource development:
(i) in the area of shallow depth and low/medium enthalpy geothermal (depth 0-500 meters and temperature below 150ºC) and/or
(ii) in the area of deep depth and high enthalpy geothermal (depth above 500 meters and temperature above 150ºC).

Proposals must also explicitly identify whether they relate to
(i) shallow geothermal,
(ii) deep geothermal or
(iii) both shallow and deep geothermal.

NZIA regulatory sandbox exchange forum support

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Code: 37287 | Identifier Code: HORIZON-CL5-2025-02-D2-12 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

Covering all of the following points proposals are expected to:

• Provide support to the goals of the net zero Europe Platform related to net zero regulatory sandboxes and to reach out to stakeholders involved in net zero regulatory sandboxes across Member States (including assigned contact points, competent authorities, potential participating entities, including SMEs and start-ups, social partners, consumers and other stakeholders).
• Prepare comparative analyses and assessments of the national legislative frameworks for net zero regulatory sandboxes and other regulatory sandboxes relevant for innovative net zero technologies in line with the Regulation on strengthening Europe’s net-zero technology manufacturing ecosystem.
• Create and regularly update a publicly available free repository on regulatory sandbox schemes and concrete projects for net zero technologies in the Union.

Support to the SET Plan community

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Code: 37283 | Identifier Code: HORIZON-CL5-2025-02-D2-11 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

The projects are expected to support ETIPs and/or IWGs and/or stakeholder fora in one of the sectors listed below, taking into consideration the specific needs of the sector they address, the emerging European policy priorities, and the coordination with other initiatives (to avoid overlaps).

The proposals are expected to address one of the following sectors: geothermal energy, hydropower, ocean energy, photovoltaics, renewable fuels and bioenergy, solar thermal energy, renewable heating and cooling, direct solar fuels, wind energy, energy efficiency in buildings, sustainable and efficient energy use in industry, direct current technologies, carbon capture storage and use, hydrogen, and energy systems.

Clean Energy Transition Co-Funded Partnership

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Code: 37280 | Identifier Code: HORIZON-CL5-2025-02-D2-10 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

The Clean Energy Transition co-funded Partnership (CET Partnership) is a transnational initiative on joint R&I programming to boost and accelerate the energy transition, building upon regional and national R&I funding programmes.

Coordinated call with India on waste to renewable hydrogen

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Code: 37277 | Identifier Code: HORIZON-CL5-2025-02-D2-08 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

The topic aims at developing innovative technologies to produce renewable hydrogen from biogenic wastes without recycling potential such as agricultural, forest and biogenic part of municipal wastes, sewage sludge and industrial waste waters, through biochemical and thermochemical Waste to renewable Hydrogen (W2rH) pathways.

Focus will be on increasing the resource efficiency (carbon to hydrogen yield), reducing the GHG emissions or even generating a negative carbon footprint, decreasing environmental footprint for pollution and water consumption, and significantly reducing the production cost of hydrogen. 

Fostering the European battery ecosystem by providing accurate and up-to-date information and stimulating excellence in the European battery R&I community (Batt4EU Partnership)

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Code: 37274 | Identifier Code: HORIZON-CL5-2025-02-D2-06 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

The project proposal should cover all of the following tasks:

• Animate and organise the National and Regional Coordination Group (NRCG) in coordination with the Batteries European Partnership Association (BEPA);
• Cooperate with the European Technology and Innovation Platforms (ETIPs), Important Projects of Common European Interest (IPCEIs)^[2] and similar stakeholder fora.
• Provide support to existing SET Plan Implementation Plans and advancement towards more interconnected activities, both in terms of contents and implementation mechanisms;
• Create and maintain an online accessible platform which provides:
  • A rolling assessment of the current state-of-the-art of the battery technology, both globally and in the EU and Associated Countries;
  • An updated set of technical targets and intermediary KPIs to track the progress of the battery technology in the EU;
  • A rolling overview of open and recently closed calls on batteries from research and innovation programmes on European, national, and regional level. This task should build upon the links with the NRCG, ETIPs, and any ongoing IPCEIs on batteries. Direct collaboration with national funding agencies is encouraged.

Sustainable processing and refining of raw materials to produce battery grade Li-ion battery materials (Batt4EU Partnership)

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Code: 37271 | Identifier Code: HORIZON-CL5-2025-02-D2-03 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

Projects are expected to demonstrate the cost-effective, safe and sustainable production of at least one of the following end products:

• Metals and precursors suitable for batteries.
• Active electrode materials.The raw materials in scope are limited to lithium, cobalt, graphite, nickel, manganese and phosphorus.

Driving Urban Transitions to a sustainable future (DUT) Co-Funded Partnership

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Code: 37259 | Identifier Code: HORIZON-CL5-2025-06-D2-07 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

The objective of this action is to continue providing support to the European Co-funded Partnership “Driving Urban Transitions towards a Sustainable Future ” (DUT) identified in the “Horizon Europe” Strategic Plan 2021-2024 – initially implemented under the HORIZON-CL5-2021-D2-01-16: Co-funded Partnership theme: Driving Urban Transitions (DUT) – and the funding of additional activities (which may also be undertaken by additional partners) in line with its intended scope and duration, and in accordance with Article 24(2) of the Horizon Europe Regulation.

Fostering equity and justice in climate policies – Societal Readiness Pilot

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Code: 37256 | Identifier Code: HORIZON-CL5-2025-06-D1-06 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

Climate change and the transition to a low-carbon and climate-resilient future raises complex issues of equity regarding the equitable sharing of benefits and burdens of mitigation and adaptation efforts.

These considerations are not only giving impetus to global climate negotiations, but are also increasingly emerging as a central issue for national policy, legal systems and society at large.

Justice is therefore becoming both a critical factor and a potential barrier to shaping ambitious climate action, underlining the need to prioritise research to promote equitable climate transitions within the EU and globally.

The attribution to climate change, and improved forecasting of extreme and slow-onset climate- and weather-related events and their impacts

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Code: 37253 | Identifier Code: HORIZON-CL5-2025-06-D1-04 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

Anthropogenic climate change is affecting the intensity and likelihood of extreme weather events – the latest IPCC report warns that anthropogenic climate change is already affecting extreme weather events across the globe and that with each additional increase in global warming, changes in extreme events will continue to become greater.

Modelling of mitigation pathways for F-gases

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Code: 37250 | Identifier Code: HORIZON-CL5-2025-06-D1-03 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

Fluorinated gases are the fastest growing group of greenhouse gas emissions globally.

The Montreal Protocol has resulted in areduction in the use and emissions of ozone-depleting substances and will now also regulate the phase-out of hydrofluorocarbons (HFCs), which account for the largest share of fluorinated gas use, mainly used in refrigerants, air conditioners and heat pumps.

Advancing Earth System Models to increase understanding of Earth system change

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Code: 37247 | Identifier Code: HORIZON-CL5-2025-06-D1-02 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

ESMs are the main tools used to assess future changes in the climate system.

Their resolution and realism have increased over the last two decades. Despite these advances, there are still several poorly understood and simulated processes, interactions and feedbacks that limit their ability to provide accurate predictions and forecasts of global and regional Earth system change, and to help understand and quantify future climate variability.

A particular challenge is how variability interacts with extreme events (including complex ones), particularly in relation to rainfall and water availability (both excess and scarcity).

Climate simulations data and knowledge for optimal support of IPCC Assessments and International Policy

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Code: 37244 | Identifier Code: HORIZON-CL5-2025-06-D1-01 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

Given the rapidly evolving climate crisis, there is an increasing need for accurate, reliable and usable information at global and local scales, as well as in the short and long term.

This information supports a range of requirements, including those related to policies. In particular, the simulations and knowledge provided to the IPCC, including the Seventh Assessment Report (AR7) and subsequent reports, need to be internally consistent and well coordinated.

The modelling, setting, set and design of simulations should be appropriate to meet societal and policy requirements in order to support the most timely developments in European and international climate policy.

Implementing the climate action pillar of the EU-African Union Partnership on Climate Change and Sustainable Energy

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Code: 37241 | Identifier Code: HORIZON-CL5-2025-06-D1-07 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 24/09/2025

African societies and productive sectors are already experiencing widespread impacts from both natural disasters and man-made climate change .

These include loss of lives and biodiversity, increased disease burden, water scarcity, ocean acidification, reduced food production and reduced labour efficiency and economic growth.

The IPCC warns that with further warming, risks will escalate further, strongly suggesting a priority on climate risk reduction and adaptation efforts in the transition to a low-carbon future.

Critical elements for energy security of grid and storage technologies

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Code: 37238 | Identifier Code: HORIZON-CL5-2025-01-Two-Stage-D3-23 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

Developing innovative solutions that address specific critical issues affecting the energy security of the energy grid and/or storage technologies in terms of uninterrupted and cost-effective access to energy.

Since the energy security of the energy grid and the secure storage of variable renewable energy sources are directly linked to a cost-efficient and sustainable European energy system and are therefore essential for European competitiveness, not only the energy security issues of the grid and storage technologies as such, but also those related to their respective value chains need to be addressed.

Cost-effective next-generation batteries for long-duration stationary storage (Batt4EU Partnership)

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Code: 37235 | Identifier Code: HORIZON-CL5-2025-01-Two-Stage-D2-02 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 02/09/2025

This theme aims to promote the development of materials that are recyclable, have a low environmental impact, are safe and have mass production potential.

As far as possible, the safety and sustainability of the materials developed are expected to be assessed in accordance with the Commission Recommendation on the safety and sustainability of chemicals and materials in their design.

Next generation aircraft autonomy technologies for cockpit / pilot assistance applications

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Code: 37232 | Identifier Code: HORIZON-CL5-2025-03-Two-Stage-D5-09 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 04/09/2025

Next generation aircraft will be even more digital and automated, with more interactive and automated cockpits.

This will be even more dependent on the evolution of automation and is expected to mitigate the ever increasing complexity of aircraft systems and operations, ensuring safe and efficient operation.

However, automation is also prone to significant errors when used incorrectly or misinterpreted, especially when combined with new aircraft platforms (including new systems/capabilities) or new types of operations.

Adaptation to Climate Change: Effectiveness and Limits

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Code: 37229 | Identifier Code: HORIZON-CL5-2025-05-Two-Stage-D1-05 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 04/09/2025

The effectiveness of climate change adaptation measures depends, among other factors, on the magnitude and rate of temperature increase, which may lead to the emergence of case-specific severe constraints.

However, scientific evidence on the effectiveness of adaptation remains limited and providing a universal definition of what constitutes effective adaptation is a challenge.

Safe Human-Technology Interaction (HTI) in the vehicle systems of the coming decade – Societal Readiness Pilot

Opened

Code: 37227 | Identifier Code: HORIZON-CL5-2025-04-D6-12 | Programme name: 2939 | Sub-program: Climate, Energy and Mobility (Cluster 5)(2021-2027) | Start submission calls: 06/05/2025 | End submission calls: 04/09/2025

The increasing automation of road transport poses new challenges, especially at lower levels of automation (level 3 and below), when control of driving is transferred from the driver to the vehicle or vice versa.

For these levels, it is important to ensure the right level of driver alertness in relation to the environment and the level of automation in order to avoid dangerous situations due to cognitive distraction.

Integration of Post-Quantum Cryptography (PQC) algorithms into high-level protocols

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Code: 37224 | Identifier Code: HORIZON-CL3-2025-02-CS-ECCC-06 | Programme name: 2939 | Sub-program: Civil security for society (Cluster 3) (2021-2027) | Start submission calls: 12/06/2025 | End submission calls: 12/11/2025

The transition to post-quantum cryptography requires changing the uses of most currently deployed public-key cryptography (RSA and ECC). Research and development efforts are providing signature systems and key-exchange mechanisms that are generally accepted to withstand attacks using classical and quantum computers. Efforts are on the way to include these in core Internet protocols such as Transport Layer Security (TLS). While this is an important development, many more protocols need to be modified to be quantum-ready and to ensure backward compatibility with legacy systems.