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Guide · updated 8 Nov 2026

Horizon Europe Cluster 5 (Climate, Energy and Mobility) calls 2026–2027: deadlines and budgets

Cluster 5 funds climate science, clean energy, batteries, energy-efficient buildings, and clean, smart transport, together with the related partnerships.

  • 5open now
  • 49forthcoming
  • 1 Dec 2026next deadline
  • €977.9 millionindicative budget
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Upcoming deadlines

Open and forthcoming topics, sorted by next deadline. Source: European Commission, EU Funding & Tenders Portal. Data refreshed daily.

Call topicStatusDeadlineBudget
De-risking renewable fuel technologies through transnational pre-commercial procurement of renewable fuel industrial value chainsHORIZON-CL5-2026-11-D3-04Open1 Dec 2026€40 million
Demonstration of solid biofuel supply and conversion to high efficiency CHP from fully sustainable regional value chainsHORIZON-CL5-2026-11-D3-05Open1 Dec 2026€13.5 million
Resource assessment for deep sedimentary and basement reservoirsHORIZON-CL5-2026-11-D3-06Open1 Dec 2026€18 million
Improved system design for innovative PV applications (EUPI-PV Partnership)HORIZON-CL5-2026-11-D3-14Open1 Dec 2026€30 million
Data sharing to support the training and development of AI foundation models in the energy sectorHORIZON-CL5-2026-11-D3-23Open1 Dec 2026€30 million
Better understanding and attribution of land and ocean carbon sources and sinksHORIZON-CL5-2027-01-D1-12Forthcoming4 Mar 2027€25 million
Next generation scenarios for informing climate and sustainability transitionsHORIZON-CL5-2027-01-D1-13Forthcoming4 Mar 2027€24 million
Assessing the performance of policy instruments to inform climate change mitigation actionHORIZON-CL5-2027-01-D1-09Forthcoming4 Mar 2027€9 million
Understanding and avoiding maladaptation to climate changeHORIZON-CL5-2027-01-D1-10Forthcoming4 Mar 2027€18 million
Africa-EU CO-FUND action on climateHORIZON-CL5-2027-01-D1-11Forthcoming4 Mar 2027€15 million
Advancing understanding, modelling and prediction of extreme events in a changing climateHORIZON-CL5-2027-01-D1-07Forthcoming4 Mar 2027€18 million
Palaeoclimate science for a better understanding of Earth system dynamicsHORIZON-CL5-2027-01-D1-08Forthcoming4 Mar 2027€14 million
Improvement of Adaptability, Flexibility and Efficiency of Existing Recycling Processes (BATT4EU Partnership)HORIZON-CL5-2027-02-D2-05Forthcoming31 Mar 2027€18.8 million
Sustainable and Competitive Cell Production Techniques for Lithium-ion And Sodium-ion Batteries (BATT4EU Partnership)HORIZON-CL5-2027-02-D2-06Forthcoming31 Mar 2027€37.8 million
Co-funding Strategic Energy Technology (SET) Plan renewable fuel value chains at EU, national, regional, and local levelHORIZON-CL5-2027-02-D3-08Forthcoming31 Mar 2027€30 million
Innovative technologies and solutions to improve wave and tidal energy systemsHORIZON-CL5-2027-02-D3-09Forthcoming31 Mar 2027€43 million
Renewable Energy Valleys in Africa to increase energy security and energy access in AfricaHORIZON-CL5-2027-02-D3-10Forthcoming31 Mar 2027€9 million
Concentrated solar thermal systems for decarbonising industrial processesHORIZON-CL5-2027-02-D3-07Forthcoming31 Mar 2027€12 million
Production technologies for solar photovoltaics beyond the state-of-the-art (EUPI-PV Partnership)HORIZON-CL5-2027-02-D3-15Forthcoming31 Mar 2027€36 million
Large scale operational validation and upscaling of state-of-the-art (Generative) AI tools and models powering a next generation digital energy systemHORIZON-CL5-2027-02-D3-24Forthcoming31 Mar 2027€20 million

Frequently asked questions

How many Horizon Europe Cluster 5 (Climate, Energy and Mobility) calls are open now?

As of 8 Nov 2026, 5 are open for submission and 49 are forthcoming, according to the European Commission's Funding & Tenders Portal.

When is the next deadline?

The next deadline is 1 Dec 2026, for “De-risking renewable fuel technologies through transnational pre-commercial procurement of renewable fuel industrial value chains” (HORIZON-CL5-2026-11-D3-04).

What is the total indicative budget?

The indicative budget of the open and forthcoming topics listed here adds up to €977.9 million.

Where do I apply?

Proposals are submitted through the EU Funding & Tenders Portal before 17:00 Brussels time on the deadline day. Always read the official call documents before applying.

Can Ullswater Investments help me apply?

Yes. Ullswater Investments, EU funding advisors based in Madrid, matches projects with the right call, builds consortia and writes and reviews proposals.