Project description
Accelerating the integration of LDES into renewable power systems
To support Europe’s green transition and the Green Deal, it is vital to develop efficient and reliable energy storage solutions for renewable energy. However, the shift to improved storage systems faces challenges due to the need for critical raw materials and their complex nature. The EU-funded PowerMAX project aims to advance the integration of key long-duration energy storage (LDES) technologies into renewable-based power systems. To achieve this, it will develop a novel suite of modelling tools that enable accurate LDES evaluations and optimise their integration. The consortium includes partners from 10 countries in Europe, North America, and South America.
Objective
PowerMAX brings together 19 partners from 10 countries in Europe, North America, and South America to advance the integration of Long Duration Energy Storage (LDES) into renewable-based power systems. The project develops a suite of modelling tools that combine high-resolution market simulation, grid expansion analysis, and techno-economic optimisation of storage technologies. These tools are designed to represent multiple market timeframes and to evaluate how LDES contributes to flexibility, system adequacy, and resilience.
Three storage technologies—molten salt, hydrogen, and lithium-ion—are implemented in demonstration sites in Spain, Italy, and Canada, with detailed operational data used to validate models and control strategies at TRL 7. Digital twins are developed to represent both the technical behaviour of storage assets and their interaction with power markets and grid constraints, enabling systematic assessment of design options and investment pathways. Open-source software and harmonised data structures ensure replicability and uptake by the research community and system operators.
Replication cases in Norway and Bolivia test the robustness of the methods across different grid and market conditions. Alongside the technical work, PowerMAX develops business models and market design recommendations, ensuring that scientific results translate into practical strategies for large-scale LDES deployment.
The consortium has strong industry representation, enabling it to tackle the Innovation Action nature of PowerMAX. In total, eight industry partners are part of the consortium, including utility companies (power producers, TSOs, DSOs), technology providers such as storage companies, and providers of software and digital solutions. In addition, the consortium includes ten research partners, consultancy companies, and associations. A Stakeholder Forum will be established to bridge the gaps between innovation, market needs, and public policy.
Fields of science (EuroSciVoc)
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Keywords
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.2.5 - Climate, Energy and Mobility
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-IA - HORIZON Innovation Actions
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-CL5-2025-02
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
7491 Trondheim
Norway
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Participants (18)
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75009 PARIS 09
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7465 Trondheim
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20134 MILANO
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20600 Eibar Guipuzcoa
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75008 Paris
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56126 Pisa
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2685-038 LOURES
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Legal entity other than a subcontractor which is affiliated or legally linked to a participant. The entity carries out work under the conditions laid down in the Grant Agreement, supplies goods or provides services for the action, but did not sign the Grant Agreement. A third party abides by the rules applicable to its related participant under the Grant Agreement with regard to eligibility of costs and control of expenditure.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
1249-300 LISBOA
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50014 Fiesole
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1678 Nicosia
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
28046 MADRID
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
40127 Bologna
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M5S 1A1 Toronto
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D07 K46Y Dublin
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1366 Lysaker
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The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
100 44 Stockholm
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Cochabamba
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484 Oslo
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