Energy efficiency and sustainability of AI data processing in Data Centres (IA)

Forthcoming

This is the status published by the official source.

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Expected Outcome:
Pilots for new technologies and a demonstration site which contribute to energy-efficient and sustainable AI data processing in data centres, reinforcing EU strategic autonomy and climate goals. Project results are expected to contribute to one or more of the following outcomes (see more details in scope):

• Demonstrated innovations that substantially improve heat removal from high-power AI chips (e.g. direct on-chip cooling, advanced thermal interface materials, multi-scale thermal management), enabling higher performance without thermal throttling. This should lead to lower cooling energy needs and higher reliability for dense AI workloads.
• Prototypes of novel backup power systems (such as graphene-enhanced batteries) that operate with minimal cooling requirements, improving data centre resilience and enabling better use of renewable power.
• New methods and frameworks that optimise the entire data centre for energy-efficient AI processing. This includes intelligent workload scheduling and AI model optimisation techniques to reduce energy use (e.g. carbon-aware job scheduling and power capping to cut energy demand and peak temperatures), as well as designs for integrating on-site/off-site renewables and waste-heat reuse.
• As a result of all the above bullet points, an open pilot demonstration site that allows for the testing and integration of the outcomes of these projects and serves as the European reference for showcasing the breakthroughs and cutting-edge technologies for energy-efficient and sustainable data centres developed under this topic. This site should serve as a model for technology uptake for the European data centre industry. Outcomes should demonstrate potential for improved power usage effectiveness and utilisation of waste heat in external applications, aligned with European targets for carbon-neutral heating/cooling.
Scope:
Actions should address the following development areas:

• Direct on-chip cooling and thermal management, including novel and innovative cooling techniques applied at chip and module level (direct liquid cooling, heat spreaders, thermal interface materials, and advanced packaging) and multi-scale thermal management techniques.
• Energy-efficient power backup and storage systems: Innovations in early-stage energy storage concepts (graphene-enhanced batteries, supercapacitors, and other emerging battery chemistries) and approaches for net-zero backup.
• Sustainable data centre architectures and AI workload optimization: addressing AI-driven workload scheduling, adaptive power management, dynamic resource allocation and integration of data centre heat capture and reuse.
• Materials research for energy efficiency: Projects to make use of existing research in new materials and components supporting energy efficiency and thermal management, and to employ these for data centres benefit.
• Optimisation of data centre operation and functioning: explore AI solutions to optimize the Data centre functioning, computing architecture, and virtualization, minimizing its carbon and environmental footprint.
• Integration of data centres into energy systems and the wider region: including solutions that integrate Data centres into energy system planning and operation. Aside from these, the pilot demonstration site must allow to combine the outcomes supplied by the other funded projects in the topic and enable for showcasing, benchmarking, and promoting their results across interested industrial stakeholders, including the European data centre and collocation industry, as well as other AI data centre operators, such as cloud and edge computing providers.
Overall, this topic is expected to fund four projects. Three projects are expected to address expected outcomes 1-3, while a fourth project is expected for expected outcome 4 (the open pilot demonstration site). For projects addressing expected outcomes 1-3 at least two use cases should showcase each project results.
Beneficiaries that intend to transfer ownership or grant an exclusive licence must formally notify the granting authority (i.e. DG-CNECT and HaDEA) before the intended transfer or licensing takes place and the granting authority may up to four years after the end of the action object to a transfer of ownership or the exclusive licensing of results.
Projects funded under this topic are encouraged to build synergies and leverage their outcomes with funded projects from Cluster 5 HORIZON-CL5-2027-05-D4-06: Thermal energy optimisation and waste heat recovery of high energy demand IT rooms in buildings or small edge data centres.
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Activities are expected to start at TRL 6-7 and achieve TRL 8 by the end of the project – see General Annex B.

Status

Forthcoming

Deadline

18 March 2027 (time not stated)

Opens

17 November 2026

Published

12 December 2025

Total budget

€39,000,000

Grant range

€10,000,000 – €10,000,000

Country

European Union (EU-wide)

Programme

Horizon Europe (HORIZON)

Funder

European Commission

Official page

Open at the source portal

What applying involves

12 steps, all of them taken from this call's own documents.

Understand the call

• Read the call on the source portal and download its documents
• Write the proposal against the award criteria and thresholds

  To ensure a balanced portfolio coverage, grants will be awarded to applications not only in order of ranking, but also to at least three proposals addressing expected outcomes 1-3 (improve heat removal from high-power AI, novel backup power systems and data centre optimisation for energy-efficient AI processing) and one proposal focussed on offering an open pilot demonstration site, subject to proposals passing all evaluation thresholds. Described in Annex D of the Work … — conditions §5a

• Check the grant's legal and financial set-up standard for this programme

  described in Annex G of the Work Programme General Annexes. Specific conditions described in the [specific topic of the Work Programme] Application and evaluation forms and model grant agreement (MGA): Application form templates — the application form specific to this call is available in the Submission System Standard application form (HE RIA, IA) Evaluation form templates — will be used with the necessary adaptations Standard evaluation form (HE RIA, IA) Guidance HE … — conditions §6

• Note the opening date — a proposal cannot be submitted before it
• Check the amount you plan to request against the call's range

Check you are eligible

• Confirm your technology readiness level against the range the call states
• Check every partner is established in an eligible country standard for this programme

  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 — conditions §2

• Meet the call's other eligibility conditions

  In line with the “ restriction on control in innovation actions in critical technology areas ” delineated in General Annex B of the General Annexes, entities established in an eligible country but which are directly or indirectly controlled by China or by a legal entity established in China are not eligible to participate in the action. Subject to restrictions for the protection of European communication networks. Described in Annex B of the Work Programme General Annexes — conditions §3

• Be able to show financial and operational capacity standard for this programme

  described in Annex C of the Work Programme General Annexes — conditions §4

Prepare the documents

• Prepare Part B of the Application Form standard for this programme

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

Submit

• Check the submission and evaluation process standard for this programme

  are described in Annex F of the Work Programme General Annexes and the Online Manual — conditions §5b

• Submit before the closing date shown above

  The source states the closing day but no closing time — check the portal before the last day. — calls.deadline

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