Ullswater Investments · EU Funding Calls
All calls › Horizon Europe › HORIZON-CL5-2027-07-D3-11
ForthcomingHorizon Europe

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

For a renewables-based electricity system sufficient flexible and also in the long-run fully sustainable hydropower capacity is pivotal. Project results are expected to contribute to all of the following expected outcomes: Enhancing the capacities of the hydropower fleet to contribute with variable renewables base load to a secure and stable electricity system, including by modernising grid integration and…

Deadline 1 Dec 2027Opens 4 Aug 2027Budget €17MIndicative grants 2EU contribution per project €8.5MSingle stageHORIZON Innovation Actions

Funding and competition

  • 2grants expected (official)
  • €8.5MEU contribution per project
  • €4.3Mmedian EU grant of the most similar funded projects
  • 392projects funded in earlier topics of this programme line

Very few grants: expect strong competition. Only proposals well above threshold are funded, so a clearly differentiated idea and a complete consortium are essential.

Success rates vary widely between topics (often from below 5% to above 30%). Ask us for the success-rate history of this topic before you commit to a proposal.

Organisations with a track record in this topic

Organisations that took part in the EU-funded projects most similar to this call (Horizon Europe and Horizon 2020), ranked by how close those projects are to the call, how recent they are and whether the organisation coordinated them. Being listed does not mean an organisation is looking for partners: use the list to target your outreach.

OrganisationCountryTypeSimilar EU projectsAs coordinatorExamples (CORDIS)
Electricite De France
Paris
FranceCompany91ReHydro, RevHydro, D-HYDROFLEX
Haute Ecole Specialisee De Suisse Occidentale
Delemont
SwitzerlandUniversity50ReHydro, HydroPulse, RevHydro
Ge Hydro France
Issy-Les-Moulineaux
FranceCompany60ReHydro, RevHydro, TIES
Edp - Gestao Da Producao De Energiasa
Lisboa
PortugalCompany50ReHydro, SE-HYDRO, TIES
Lulea Tekniska Universitet
Lulea
SwedenUniversity52RevHydro, STORE2HYDRO, HydroFlex
Vgbe Energy Ev
Essen
GermanyOther50ReHydro, ETIP HYDRO 26-28, STOR-HY
Fundacion Cartif
Boecillo
SpainResearch organisation40iAMP-Hydro, HydroPulse, D-HYDROFLEX
Zabala Brussels
Bruxelles / Brussel
BelgiumCompany · SME60ETIP HYDRO 26-28, SHERPA, STOR-HY
Ethnicon Metsovion Polytechnion
Athina
GreeceUniversity32HydroPulse, SE-HYDRO, LORCENIS
Dimosia Epicheirisi Ilektrismou Anonymi Etaireia
Athina
GreeceCompany40iAMP-Hydro, SE-HYDRO, D-HYDROFLEX
International Hydropower Association Limited
London
United KingdomOther50ReHydro, ETIP HYDRO 26-28, XFLEX HYDRO
Sintef Energi As
Trondheim
NorwayResearch organisation51ReHydro, FIThydro, HydroFlex
Zabala Innovation Consulting Sa
Mutilva Alta Navarra
SpainCompany70SHERPA, STOR-HY, XFLEX HYDRO
Technische Universitaet Muenchen
Muenchen
GermanyUniversity72FIThydro, Hydro4U, FLEXTURBINE
Ecole Polytechnique Federale De Lausanne
Lausanne
SwitzerlandUniversity41ReHydro, TIES, XFLEX HYDRO

Spanish organisations with experience in this field

The Spanish organisations that appear most often in the closest funded projects.

OrganisationCountryTypeSimilar EU projectsAs coordinatorExamples (CORDIS)
Fundacion Cartif
Boecillo
SpainResearch organisation40iAMP-Hydro, HydroPulse, D-HYDROFLEX
Zabala Innovation Consulting Sa
Mutilva Alta Navarra
SpainCompany70SHERPA, STOR-HY, XFLEX HYDRO
Universitat Politecnica De Catalunya
Barcelona
SpainUniversity42TIES, STOR-HY, XFLEX HYDRO
Cuerva Energia Slu
Churriana De La Vega
SpainCompany · SME20iAMP-Hydro, HydroPulse
Iberdrola Generacion Sa
Bilbao
SpainCompany21SHERPA, HYDROPOWER-EUROPE
Asociacion De Investigacion Metalurgica Del Noroeste
Porrino
SpainResearch organisation20SHERPA, Di-Hydro
Fundacio Institut De Recerca En Energia De Catalunya
Sant Adria De Besos
SpainResearch organisation10HydroPulse
Fundacion Centro Andaluz De Investigaciones Del Agua
Torremolinos (Malaga)
SpainOther10HydroPulse

What a typical winning consortium looks like

  • 15partners (median)
  • 7countries (median)
  • 18%of partners are SMEs
Company 47%University 29%Research organisation 16%Other 6%Public body 2%

Based on the 25 funded projects closest to this call. Use it as a benchmark, not a rule: always check the call conditions for the minimum consortium.

Most similar funded projects

Read their CORDIS pages to see the full consortium, results and deliverables.

  • iAMP-Hydro – intelligent Asset Management Platform for Hydropower operation and maintenance (HORIZON · 2023 · HORIZON-CL5-2022-D3-03-08)
  • ReHydro – Demonstration of sustainable hydropower refurbishment (HORIZON · 2024 · HORIZON-CL5-2023-D3-02-09)
  • HydroPulse – Hydropower for Participatory Upscaling of Local Solutions and Ecosystem-based strategies (HORIZON · 2026 · HORIZON-CL5-2025-02-D3-04)
  • RevHydro – Revolutionary refurbishment for an efficient and eco-friendly hydropower (HORIZON · 2024 · HORIZON-CL5-2024-D3-01-07)
  • HYPOSO – Hydropower solutions for developing and emerging countries (H2020 · 2019 · LC-SC3-RES-28-2018-2019-2020)
  • SE-HYDRO – Socially and Environmentally harmonized HYDRopower Operations (HORIZON · 2026 · HORIZON-CL5-2025-02-D3-04)

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Track-record data: CORDIS open data (European Commission), organisation level only, refreshed weekly. Rankings are calculated automatically by Ullswater Investments from text similarity between the call and funded projects; they are indicative.