We inform you about the latest calls for proposals, both open and forthcoming, within the framework of Cluster 5 of Horizon Europe. This cluster focuses on the twin transitions to a climate-neutral and digital society, offering significant funding for projects in smart mobility, renewable energy, and climate science.

Below, you will find the opportunities by thematic area. Please note that many of these calls open on December 18, 2025.

– Smart Mobility & Clean Transport –

Focusing on zero-emission waterborne transport (ZEWT), automated mobility (CCAM), and aviation.

HORIZON-CL5-2026-05-D5-12
Shipyards of the future (ZEWT Partnership)

Opening: 18 Dec 2025 | Deadline: 14 Apr 2026

HORIZON-CL5-2026-05-D5-11
Ports of the future (ZEWT Partnership)

Opening: 18 Dec 2025 | Deadline: 14 Apr 2026

HORIZON-CL5-2026-05-D5-01
Large-scale demonstration of Heavy-Duty Battery Electric Vehicles (HD BEV) towards long-haul logistics operations (2ZERO Partnership)

Opening: 18 Dec 2025 | Deadline: 14 Apr 2026

HORIZON-CL5-2026-05-D5-07
AI-assisted digital aircraft design, manufacturing and MRO, towards a competitive aviation

Opening: 18 Dec 2025 | Deadline: 14 Apr 2026

HORIZON-CL5-2026-10-D6-01
Flagship-pilot: large-scale demonstrations of CCAM (CCAM Partnership)

Opening: 04 Jun 2026 | Deadline: 08 Oct 2026

HORIZON-CL5-2026-10-D6-03
Generative AI for smarter CCAM: enhancing perception, decision-making, and validation (CCAM Partnership)

Opening: 04 Jun 2026 | Deadline: 08 Oct 2026

– Advancing renewable technologies, carbon capture, and next-generation battery systems –

Renewable Energy & supply

HORIZON-CL5-2026-03-D3-01
Targeting key value chain components for increasing the competitiveness of renewable energy technologies in Europe

(Deadline: 31 Mar 2026)

HORIZON-CL5-2026-03-D3-13
Industrial scale up and circularity pathway for IPV technologies (EUPI-PV Partnership)

(Deadline: 31 Mar 2026)

HORIZON-CL5-2026-04-Two-Stage-D3-02
Next generation of renewable energy technologies

(Deadline: 31 Mar 2026)

HORIZON-CL5-2027-02-D3-10
Renewable Energy Valleys in Africa to increase energy security and energy access in Africa

(Deadline: 31 Mar 2027)

Energy Systems & AI Integration

HORIZON-CL5-2026-03-D3-22
AI-driven forecasting algorithms for Grid and Consumer friendly Energy Sharing – Societal Readiness pilot 

(Deadline: 31 Mar 2026)

HORIZON-CL5-2026-03-D3-19
Affordable and sustainable primary equipment for Future-Ready multi-terminal HVDC Systems

(Deadline: 31 Mar 2026)

HORIZON-CL5-2027-02-D3-24
Large scale operational validation and upscaling of state-of-the-art (Generative) AI tools and models powering a next generation digital energy system

(Deadline: 31 Mar 2027)

Energy Storage

HORIZON-CL5-2026-03-D2-02
Development of direct recycling processes (BATT4EU Partnership) – Deadline 31 Mar 2026

HORIZON-CL5-2026-10-D2-03
Integrated Production and Product Development for Next-Generation Lithium-based Batteries for Mobility (BATT4EU and Made in Europe Partnerships) – Deadline 08 Oct 2026

HORIZON-CL5-2027-02-D2-06
Sustainable and Competitive Cell Production Techniques for Lithium-ion And Sodium-ion Batteries (BATT4EU Partnership) – Deadline 31 Mar 2027

HORIZON-CL5-2027-02-D2-05
Improvement of Adaptability, Flexibility and Efficiency of Existing Recycling Processes (BATT4EU Partnership) – Deadline 31 Mar 2027