Horizon Europe: Climate, Energy and Mobility

Demonstration of solid biofuel supply and conversion to high efficiency CHP from fully sustainable regional value chains

Funds demonstration of fully sustainable regional value chains converting locally sourced solid biofuel from biogenic residues and wastes into high-efficiency combined heat and power, providing flexible renewable energy to local industries and supporting EU climate and energy targets.

Official topic page: HORIZON-CL5-2026-11-D3-05

Resource assessment for deep sedimentary and basement reservoirs

Funds research on advanced methods and technologies to assess deep sedimentary and basement geothermal reservoirs, aiming to increase drilling success rates, reduce induced seismicity risks, and unlock unexploited geothermal resources for sustainable and affordable renewable energy.

Official topic page: HORIZON-CL5-2026-11-D3-06

Improved system design for innovative PV applications (EUPI-PV Partnership)

Funds improved system designs for innovative photovoltaic applications, focusing on agrivoltaics that combine agricultural activity with solar electricity production, and offshore or nearshore PV systems, to reduce land use competition and expand European solar deployment potential.

Official topic page: HORIZON-CL5-2026-11-D3-14

Data sharing to support the training and development of AI foundation models in the energy sector

Funds development and training of AI foundation models for the energy sector using large shared datasets. Aims to improve grid observability, supply and demand forecasting, renewables integration, demand side flexibility and energy efficiency while ensuring data privacy, security and open source availability.

Official topic page: HORIZON-CL5-2026-11-D3-23

Advancing understanding, modelling and prediction of extreme events in a changing climate

Funds research to improve understanding, modelling, and prediction of extreme events in a changing climate, including cascading and multi-hazard interactions, to support preparedness, adaptation strategies, and early warning systems.

Official topic page: HORIZON-CL5-2027-01-D1-07

Palaeoclimate science for a better understanding of Earth system dynamics

Funds palaeoclimate research to improve understanding of past climate changes, Earth system dynamics, and abrupt transitions, providing benchmarks for climate models and informing future climate scenarios and IPCC assessments.

Official topic page: HORIZON-CL5-2027-01-D1-08

Assessing the performance of policy instruments to inform climate change mitigation action

Funds research to assess the effectiveness and social acceptability of climate policy instruments at EU and Member State level, developing methodologies for ex-ante and ex-post evaluation of greenhouse gas emission reductions from climate policies.

Official topic page: HORIZON-CL5-2027-01-D1-09

Understanding and avoiding maladaptation to climate change

Funds research to comprehensively retrieve evidence on maladaptation to climate change and generate new knowledge. Aims to improve risk and adaptation assessment frameworks and develop guidelines and tools to help stakeholders prevent and correct maladaptive outcomes in adaptation strategies and plans.

Official topic page: HORIZON-CL5-2027-01-D1-10

Better understanding and attribution of land and ocean carbon sources and sinks

Funds research to improve understanding of land and ocean carbon dioxide sources and sinks, their drivers, and dynamics under different climate scenarios. Aims to reconcile emission estimates across scientific and reporting communities and better quantify lateral carbon transfers for more accurate climate models.

Official topic page: HORIZON-CL5-2027-01-D1-12

Next generation scenarios for informing climate and sustainability transitions

Funds development of next generation climate and sustainability scenarios that are more robust, actionable, globally representative, and inclusive. Aims to strengthen collaboration across research communities and better capture interactions between climate and non-climate objectives to inform policy at multiple spatial scales.

Official topic page: HORIZON-CL5-2027-01-D1-13

Improvement of Adaptability, Flexibility and Efficiency of Existing Recycling Processes (BATT4EU Partnership)

Funds innovation actions to improve the adaptability, flexibility, and efficiency of existing battery recycling processes, targeting mixed input streams and diverse lithium-ion chemistries to recover high-purity battery-grade materials and reduce EU dependence on imported raw materials.

Official topic page: HORIZON-CL5-2027-02-D2-05

Sustainable and Competitive Cell Production Techniques for Lithium-ion And Sodium-ion Batteries (BATT4EU Partnership)

Official topic page: HORIZON-CL5-2027-02-D2-06

Concentrated solar thermal systems for decarbonising industrial processes

Official topic page: HORIZON-CL5-2027-02-D3-07

Innovative technologies and solutions to improve wave and tidal energy systems

Funds innovation actions to improve the performance, reliability, and sustainability of wave and tidal energy technologies across all lifecycle stages. Aims to reduce costs, advance SET Plan ocean energy targets, and increase ocean energy's contribution to the energy system with minimal environmental impact.

Official topic page: HORIZON-CL5-2027-02-D3-09

Renewable Energy Valleys in Africa to increase energy security and energy access in Africa

Funds the development of decentralised renewable energy valley systems in Africa providing electricity, heat, and fuel. Aims to increase energy access and security, create sustainable local jobs, strengthen EU-AU climate partnerships, and support African countries' Paris Agreement targets.

Official topic page: HORIZON-CL5-2027-02-D3-10

Production technologies for solar photovoltaics beyond the state-of-the-art (EUPI-PV Partnership)

Funds innovation in solar photovoltaic production technologies beyond the state of the art. Aims to strengthen European PV manufacturing capacity and competitiveness by enabling novel, efficient PV products that reduce supply chain dependencies and support EU solar deployment and climate targets.

Official topic page: HORIZON-CL5-2027-02-D3-15

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

Funds large-scale operational validation and upscaling of advanced AI tools, including generative AI, for real-time grid operations, market operations, and consumer empowerment in distributed energy systems. Aims to deliver secure, energy-efficient AI integrated with the digital spine of the energy system.

Official topic page: HORIZON-CL5-2027-02-D3-24

Advancements in Direct Air Capture

Funds scaling up direct air capture technologies to at least pilot demonstration level (TRL 7 or higher). Aims to accelerate commercial availability by improving cost efficiency, material performance, process design, and flexible operation under intermittent renewable energy supply.

Official topic page: HORIZON-CL5-2027-02-D3-30

Support to the SET Plan stakeholders’ groups in geothermal energy

Funds coordination and support for SET Plan stakeholder groups in geothermal energy, including the European Technology and Innovation Platform and Implementation Working Group. Aims to align activities, strengthen stakeholder engagement, and advance geothermal research and innovation priorities under the SET Plan.

Official topic page: HORIZON-CL5-2027-02-D3-33

Data-driven circular economy for e-mobility ecosystem (2ZERO Partnership)

Funds innovation to improve circularity of electric vehicle components such as powertrains, power electronics, and charging infrastructure through standardised product data assessment, better design strategies for extended lifetime, reduced critical raw material use, and improved repair, recovery, and reuse.

Official topic page: HORIZON-CL5-2027-03-D5-03

Demonstration of zero emission coaches and buses in long distance operations (2ZERO Partnership)

Funds demonstration of zero emission coaches and buses in long distance operations, including regional, national, and transnational routes, aiming to enable reliable service, improved passenger comfort, intermodality, and accelerated replication of best practices across transport operators.

Official topic page: HORIZON-CL5-2027-03-D5-04

Higher Voltage, Megawatt Charging System compatible, modular powertrain for Heavy Duty Vehicles (HDV) (2ZERO Partnership)

Funds demonstration of higher voltage, megawatt charging system compatible, modular powertrains for heavy duty vehicles, aiming to reduce costs through economies of scale, improve energy efficiency, enable fast charging, and ensure full operational capability across diverse usage scenarios.

Official topic page: HORIZON-CL5-2027-03-D5-05

Fire prevention and mitigation for EVs in confined areas (2ZERO Partnership)

Funds innovation in fire prevention and mitigation for electric vehicles in confined spaces such as underground parking, garages, ferryboats, and depots, aiming to develop standardised risk assessments, affordable detection and suppression measures, and enhance public perception of EV fire safety.

Official topic page: HORIZON-CL5-2027-03-D5-06

Sustainable aircraft circular design and additive manufacturing, towards a climate neutral aviation

Funds research on additive design and manufacturing of aircraft and engine structural components using high performance polymers, composites, and metals, aiming to improve EU competitiveness, reduce critical raw material dependency, and advance sustainable circular design for climate neutral aviation.

Official topic page: HORIZON-CL5-2027-03-D5-08

Onboard renewable energy solutions and energy saving measures to reduce the fuel consumption of ships by at least 55% (ZEWT Partnership)

Official topic page: HORIZON-CL5-2027-03-D5-14

Prospective evaluation of nuclear power potential for shipping (ZEWT Partnership)

Funds coordination activities to evaluate the potential of nuclear power for commercial shipping, including drafting a research and innovation roadmap, mapping regulatory regimes, assessing total cost of ownership, developing safety and training guidelines, and analysing environmental implications.

Official topic page: HORIZON-CL5-2027-03-D5-15

Autonomous vessels in short sea shipping and inland waterways

Funds demonstration of remotely controlled vessels without onboard crew and development of concepts for fully autonomous ships in short sea shipping and inland waterways, aiming to strengthen market confidence and address workforce shortages through safer and more efficient operations.

Official topic page: HORIZON-CL5-2027-03-D5-16

Innovative Solutions for mitigating the environmental impact of waterborne transport in marine and aquatic Ecosystems (ZEWT Partnership)

Funds research into the environmental impacts of waterborne transport on marine and aquatic ecosystems, focusing on pollution from renewable low and zero-carbon fuels, and developing innovative prevention, abatement and mitigation systems to protect European waters.

Official topic page: HORIZON-CL5-2027-03-D5-17

Enhanced electric operation and battery durability (ZEWT Partnership)

Funds demonstration of enhanced electric ship operation with at least 150 nautical miles of battery-only autonomy, improved power output beyond 5 MW peak propulsion, rapid zero-emission replenishment, and solutions addressing battery durability and degradation in maritime conditions.

Official topic page: HORIZON-CL5-2027-03-D5-18

Assessing the effect of airport operations on air quality and noise in nearby communities

Funds research assessing the impact of airport operations on air quality, noise, water bodies, and biodiversity in nearby communities, including improved emission factors, health impact methodologies, and recommendations for better measurement certification reflecting real-world conditions.

Official topic page: HORIZON-CL5-2027-03-D5-20

Novel approaches towards next-generation battery concepts, leveraging the enabling role of innovative advanced materials (BATT4EU and IAM4EU Partnerships)

Official topic page: HORIZON-CL5-2027-04-Two-Stage-D2-07

Noise reduction breakthroughs for new ultraefficient aircraft

Funds research on advanced aero-acoustic methodologies for noise prediction and reduction in new ultra-efficient large passenger aircraft designs, focusing on open fan and ultra-high bypass ratio engine architectures, cabin noise, and improved noise annoyance understanding and mitigation.

Official topic page: HORIZON-CL5-2027-04-Two-Stage-D5-09

Demonstration for Long-duration Battery Energy Storage Systems (BATT4EU Partnership)

Funds system-level demonstrations of innovative long-duration battery energy storage technologies exceeding eight hours, aimed at enhancing grid stability and resilience while reducing dependence on critical raw materials through sustainable alternatives.

Official topic page: HORIZON-CL5-2027-05-D2-08

Support to the implementation of an EU policy framework for CO2 transport and storage infrastructure

Funds coordination and support activities to help stakeholders implement the upcoming EU legislative framework for CO2 transport and storage infrastructure, addressing market structures, cross-border integration, technical harmonisation, tariff regulation, and infrastructure repurposing challenges.

Official topic page: HORIZON-CL5-2027-05-D3-31

On-site robotic and automated techniques for building renovation and new construction

Funds demonstration of innovative on-site robotic and automated techniques for building renovation and new construction, aiming to improve resource efficiency, accuracy, and speed while reducing greenhouse gas emissions and time spent by building professionals on site.

Official topic page: HORIZON-CL5-2027-05-D4-05

Thermal energy optimisation and waste heat recovery of high energy demand IT rooms in buildings or small edge data centres

Funds innovation actions to optimise thermal energy use and recover waste heat from high energy demand IT rooms in buildings or small edge data centres, improving energy efficiency and enabling new designs that valorise waste heat through advanced thermal management techniques and tools.

Official topic page: HORIZON-CL5-2027-05-D4-06

Integrating circularity in LCA-based modelling frameworks for renovation of buildings (Built4People Partnership)

Funds innovation actions to integrate circularity strategies into life cycle assessment modelling frameworks for building renovations, aiming to demonstrate measurable reductions in material flows, energy use, and greenhouse gas emissions toward net-zero whole life carbon buildings.

Official topic page: HORIZON-CL5-2027-05-D4-07

Demonstration of industrial excess/waste heat conversion to mechanical or electrical power

Funds demonstration of technologies that convert industrial excess or waste heat into mechanical or electrical power, potentially combined with energy storage, to improve energy efficiency, reduce costs, and offer flexible electricity generation for grid stabilisation.

Official topic page: HORIZON-CL5-2027-05-D4-09

Holistic solutions for CCAM integration in critical scenarios (CCAM Partnership)

Funds research on holistic solutions for integrating connected, cooperative, and automated mobility in critical scenarios and edge cases. Aims to develop real-time situation interpretation services and a local deconflicting architecture that detects and resolves corner case situations to ensure road safety.

Official topic page: HORIZON-CL5-2027-06-D6-04

European CCAM knowledge hub and tools for safe and scalable deployment (CCAM Partnership)

Funds a coordination action to extend an EU-wide knowledge base with tools supporting safe deployment of connected, cooperative and automated mobility (CCAM), fostering stakeholder cooperation, accelerating safety assessment approaches, and enabling a secure application exchange platform across Member States.

Official topic page: HORIZON-CL5-2027-06-D6-05

Enhancing Mobility for All: affordable, reliable, and accessible multimodal transport for inclusive rural and urban connectivity: Societal Readiness pilot

Funds piloting of affordable, accessible multimodal transport solutions connecting rural and urban areas, providing local authorities with strategies and best practices to improve first- and last-mile connectivity and promote behavioural change towards healthier, safer and more sustainable mobility for populations in vulnerable situations.

Official topic page: HORIZON-CL5-2027-06-D6-08

Enhancing Resilience and Accuracy in Positioning, Navigation, and Timing (PNT) Systems and e-conspicuity solutions

Funds development of resilient positioning, navigation and timing solutions integrating 5G networks, IoT sensors and AI-enhanced signal processing as GNSS backup, along with e-conspicuity solutions defining mobile communication requirements for collision avoidance between drones and manned aircraft.

Official topic page: HORIZON-CL5-2027-06-D6-11

Support for dissemination events in the field of Transport Research

Funds coordination and support activities for disseminating transport research results, including organising the Transport Research Arena conference, publishing conference papers, running transport research awards, and strengthening links between research, industry and policy stakeholders.

Official topic page: HORIZON-CL5-2027-06-D6-12

Demonstration of hydropower technologies for efficient and forward-looking refurbishment of existing hydropower plants

Funds demonstration of hydropower technology solutions for efficient, forward-looking refurbishment of existing hydropower plants, aiming to enhance fleet flexibility, support grid stability with variable renewables, and address climate change adaptation challenges.

Official topic page: HORIZON-CL5-2027-07-D3-11

Industrial processes and equipment for innovative, reliable and scalable tandem technologies (EUPI-PV Partnership)

Funds development of industrial processes and equipment for innovative, reliable, and scalable tandem solar PV technologies, aiming to strengthen European PV manufacturing competitiveness and reduce excessive supply chain dependencies.

Official topic page: HORIZON-CL5-2027-07-D3-16

PV based electrification of the economy: Designing & optimising PV systems supporting industrial electrification and promoting participation in electricity markets (EUPI-PV Partnership)

Funds design and optimisation of large PV systems supporting industrial electrification, including high-voltage DC networks and hybrid PV-storage architectures, aiming to improve system efficiency and enable PV participation in electricity and ancillary services markets.

Official topic page: HORIZON-CL5-2027-07-D3-17

Advanced TSO control rooms to enhance grid observability, stability and resilience

Funds design and testing of innovative solutions for advanced TSO control rooms, aiming to enhance grid observability, stability, resilience, and operator decision support through modern digital tools and vendor-agnostic reference architectures.

Official topic page: HORIZON-CL5-2027-07-D3-25

Advanced Distribution Management Systems (ADSM) for more efficient and flexible distribution grids

Funds design and testing of advanced distribution management systems for electricity distribution grids, aiming to enhance reliability, flexibility, and integration of distributed energy resources while improving interoperability between DSOs and TSOs.

Official topic page: HORIZON-CL5-2027-07-D3-26

Integrated Approaches for Retrofitting Infrastructures with Innovative Energy Storage Technologies

Funds demonstration of novel energy storage technologies integrated into retrofitted obsolete or outdated infrastructures such as old dams, decommissioned power plants, or former mines, aiming to deliver cost-effective, circular, and flexible storage capacity.

Official topic page: HORIZON-CL5-2027-07-D3-27

Community of practice - Data-Driven Decision-Making in Energy

Funds a community of practice to enhance EU cooperation on data and analytics for planning and operating European energy grids and market integration, coordinating open-source tools and AI-powered data-driven solutions while promoting FAIR research data principles across the energy sector.

Official topic page: HORIZON-CL5-2027-07-D3-28

Delivery of industrial CCUS clusters: Societal Readiness pilot

Funds de-risking pilot projects to develop local or regional industrial CCUS clusters with multi-source and multi-sink solutions for decarbonising hard-to-abate industries, addressing societal readiness, stakeholder concerns, and preparing the basis for future full-size commercial deployment.

Official topic page: HORIZON-CL5-2027-07-D3-32