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    HORIZON-CL5-2027-07-D3-11

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

    Opens 4 Aug 2027Live official EU data

    ENERGY · HORIZON-IA · TRL 6–7 · Needs partners

    1 Dec 2027
    Deadline
    4 Aug 2027
    Opens for applications
    €8.5M
    Indicative, per project
    ~2
    Grants expected
    381
    Past winners in this family

    What this call funds

    This call funds large-scale demonstration projects that upgrade existing hydropower plants with new technology to make them more efficient, flexible, and resilient to climate change. Solutions can include better turbine and generator designs, digital control systems, new materials, and improved environmental and biodiversity management. The goal is to boost the electricity system's reliability while keeping hydropower sustainable and competitive.

    renewable energy · climate adaptation · energy storage · smart grids · advanced materials · environmental monitoring

    Who wins this

    This call best suits industrial and research consortia with hydropower engineering expertise who want to demonstrate refurbishment technologies at near-commercial scale (TRL 6-7) in real plants.

    Could you win this call?

    We read your site to see what you build.

    The call in detail

    Indicative grant size
    €8.5M
    Funding model
    Lump sum — paid per completed work package, no financial reporting of actual costs
    Submission
    Single-stage submission (full proposal at once)
    Type of action
    HORIZON Innovation Actions
    Partners
    Required. The call asks for a consortium — a group applying together, typically 3+ organisations from 3+ countries.
    Also required
    If satellite-based earth observation or positioning/navigation data are used, beneficiaries must use Copernicus and/or Galileo/EGNOS services.
    Sectors
    CleanTech · Energy · Mobility
    Eligible countries (45)
    Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Norway, Iceland, Switzerland, United Kingdom, IL, TR, UA, RS, MK, ME, AL, BA, XK, GE, AM, MD, TN, NZ
    Read the full conditions from the official call ›

    General conditions 1. Admissibility Conditions: Proposal page limit and layout described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes. Proposal page limits and layout: described in Part B of the Application Form available in the Submission System. 2. Eligible Countries 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. 3. Other Eligible Conditions If projects use satellite-based earth observation, positioning, navigation and/or related timing data and services, beneficiaries must make use of Copernicus and/or Galileo/EGNOS (other data and services may additionally be used). Subject to restrictions for the protection of European communication networks. described in Annex B of the Work Programme General Annexes. 4. Financial and operational capacity and exclusion described in Annex C of the Work Programme General Annexes. 5a. Evaluation and award: Award criteria, scoring and thresholds are described in Annex D of the Work Programme General Annexes. 5b. Evaluation and award: Submission and evaluation processes are described in Annex F of the Work Programme General Annexes and the Online Manual. 5c. Evaluation and award: Indicative timeline for evaluation and grant agreement described in Annex F of the Work Programme General Annexes. 6. Legal and financial set-up of the grants The granting authority may, up to 4 years after the end of the action, object to a transfer of ownership or to the exclusive licensing of results, as set out in the specific provision of Annex 5. Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025) [[This decision is available on the Funding and Tenders Portal, in the reference documents section for Horizon Europe, under ‘Simplified costs decisions’ or through this link: https://ec.europa.eu/info/funding-tenders/opportunities/docs/2021-2027/horizon/guidance/ls-decision_he_en.pdf ]]. described in Annex G of the Work Programme General Annexes. Specific conditions described in the topic conditions

    Who has won calls like this

    Organisations that most often win this call family · 381 past winners

    FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV · DE
    73 wins
    led 12
    ETHNIKO KENTRO EREVNAS KAI TECHNOLOGIKIS ANAPTYXIS · EL
    47 wins
    led 9
    DANMARKS TEKNISKE UNIVERSITET · DK
    40 wins
    led 9
    NEDERLANDSE ORGANISATIE VOOR TOEGEPAST NATUURWETENSCHAPPELIJK ONDERZOEK TNO · NL
    32 wins
    led 5
    COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR
    32 wins
    led 9
    RINA CONSULTING SPA · IT
    30 wins
    led 9

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