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All calls › Horizon Europe › HORIZON-CL5-2026-11-D3-06
OpenHorizon Europe

Resource assessment for deep sedimentary and basement reservoirs

Deep sedimentary/basement reservoirs are usually characterized by low permeability, high drilling cost and a scarcity of data, as they are typically ignored by hydrocarbon exploration. Major exploration challenges relate to predicting deep sedimentary and basement reservoir structures and properties to identify suitable locations for reservoir-independent approaches, capable of overcoming the low permeability…

Deadline 1 Dec 2026Budget €18MIndicative grants 4EU contribution per project €4.5MSingle stageHORIZON Research and Innovation Actions

Funding and competition

  • 4grants expected (official)
  • €4.5MEU contribution per project
  • €5.5Mmedian EU grant of the most similar funded projects
  • 392projects funded in earlier topics of this programme line

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)
Gfz Helmholtz-Zentrum Fur Geoforschung
Potsdam
GermanyResearch organisation187UPLIFT, DEEPEGS, MEET
Fraunhofer Gesellschaft Zur Forderung Der Angewandten Forschung Ev
Munchen
GermanyResearch organisation104UPLIFT, GO-Forward, GeoHEAT
Eidgenoessische Technische Hochschule Zuerich
Zuerich
SwitzerlandUniversity91UPLIFT, DESTRESS, GeoHEAT
Consiglio Nazionale Delle Ricerche
Roma
ItalyResearch organisation122SHiFT, GEMex, DG ETIP
Technische Universiteit Delft
Delft
NetherlandsUniversity82SURE, DESTRESS, GeoHEAT
Vlaamse Instelling Voor Technologisch Onderzoek N.V.
Mol
BelgiumResearch organisation91HOCLOOP, URGENT, DG ETIP
Islenskar Orkurannsoknir
Reykjavik
IcelandResearch organisation101DEEPEGS, SURE, SHiFT
United Kingdom Research And Innovation
Swindon
United KingdomResearch organisation90GO-Forward, GEMex, PUSH-IT
Bureau De Recherches Geologiques Et Minieres
Orleans
FranceResearch organisation80DEEPEGS, GEORISK, GEMex
Orkuveita Reykjavikur Sf
Reykjavik
IcelandCompany61SHiFT, FindHeat, GECO
Federation Europeenne Des Geologues
Bruxelles / Brussel
BelgiumOther61UPLIFT, REFLECT, CHPM2030
European Geothermal Energy Council
Bruxelles / Brussel
BelgiumOther64GEORISK, GEMex, DG ETIP
Nederlandse Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Tno
Den Haag
NetherlandsResearch organisation70SURE, DESTRESS, GO-Forward
Technovative Solutions Ltd
Manchester
United KingdomCompany · SME60SHiFT, COMPASS, Geo-Drill
Technische Universitat Darmstadt
Darmstadt
GermanyUniversity50MEET, HOCLOOP, GEMex

Spanish organisations with experience in this field

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

OrganisationCountryTypeSimilar EU projectsAs coordinatorExamples (CORDIS)
Ilustre Colegio Oficial De Geologos
Madrid
SpainPublic body50REFLECT, CHPM2030, CRM-geothermal
Universitat Politecnica De Valencia
Valencia
SpainUniversity51GEOTeCH, GEO4CIVHIC, GEOCOND
Agencia Estatal Consejo Superior De Investigaciones Cientificas
Madrid
SpainResearch organisation31SMILE, CEEGS, VECTOR
La Palma Research Centre Sl
Santa Cruz De La Palma
SpainCompany · SME40CHPM2030, CRM-geothermal, CROWDTHERMAL
Institut Cartografic I Geologic De Catalunya
Barcelona
SpainPublic body20GO-Forward, FlexGeo
Universitat Politecnica De Catalunya
Barcelona
SpainUniversity20SMILE, EarthSafe
Comsa Instalaciones Y Sistemas Industriales Sa
Barcelona
SpainCompany30GeoFit, GEOTeCH
Fundacion Tecnalia Research & Innovation
Donostia/San Sebastian
SpainResearch organisation30GEOTeCH, GEO4CIVHIC, Cheap-GSHPs

What a typical winning consortium looks like

  • 12partners (median)
  • 6countries (median)
  • 18%of partners are SMEs
Company 40%Research organisation 29%University 25%Other 5%Public body 1%

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.

  • UPLIFT – Unlocking Petrothermal Lithologies through Innovative Fracture Technologies (HORIZON · 2026 · HORIZON-CL5-2025-02-D3-03)
  • DEEPEGS – Deployment of deep enhanced geothermal systems for sustainable energy business (H2020 · 2015 · LCE-03-2015)
  • MEET – Multidisciplinary and multi-context demonstration of EGS exploration and Exploitation Techniques and potentials (H2020 · 2018 · LCE-18-2017)
  • SURE – Novel Productivity Enhancement Concept for a Sustainable Utilization of a Geothermal Resource (H2020 · 2016 · LCE-02-2015)
  • HOCLOOP – A circular by design environmentally friendly geothermal energy solution based on a horizontal closed loop - HOCLOOP (HORIZON · 2022 · HORIZON-CL5-2021-D3-03-15)
  • DESTRESS – Demonstration of soft stimulation treatments of geothermal reservoirs (H2020 · 2016 · LCE-03-2015)

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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.