Open opportunities from Instituto para la Diversificación y Ahorro de la Energía
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PREE terciario: Programme for energy rehabilitation of existing buildings in the tertiary sector
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This programme funds energy rehabilitation and retrofit of existing buildings in the tertiary (commercial/service) sector in Spain, with grants distributed through the National Energy Efficiency Fund. Eligible applicants are building owners and operators seeking to improve energy performance through renovation.
For the rehabilitation of buildings
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This grant funds the rehabilitation and energy-efficiency retrofit of buildings in Spain, administered by IDAE (Spain's national energy diversification and savings institute). Eligible applicants likely include building owners, municipalities, and organizations undertaking energy-efficiency improvements to existing structures.
H2 Pioneers Program. Grants for pioneering and singular renewable hydrogen projects
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This Spanish government grant funds pioneering renewable hydrogen production projects with installed electrolysis capacity of 0.5–50 MW, targeting hard-to-decarbonize sectors like heavy industry and transport. Eligible projects require minimum €1M investment and must demonstrate commercial viability.
Feasibility Studies Program for Biogas Projects for Thermal and/or Electrical Uses, and Biomethane for Transportation Use
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This grant funds prefeasibility studies for biogas and biomethane projects in Spain, helping companies and public entities assess the technical and economic viability of converting organic waste into renewable energy for thermal, electrical, or transport applications. Eligible applicants include waste-generating organizations seeking to evaluate biogas deployment before full investment.
Energy Transition in the Islands PRTR
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This is a major EU-funded programme administered by Spain's IDAE to accelerate energy transition in the Balearic and Canary Islands through renewable energy deployment, energy efficiency, energy storage, and sustainable mobility. Eligible applicants can access hundreds of millions in public funding for renewable electricity generation, self-consumption systems, thermal renewables, and electric mobility infrastructure across both island regions.
Subastas de hidrógeno renovable (AaaS)
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This is a national auction mechanism (AaaS) for renewable hydrogen production projects in Spain, with 233 million euros allocated across three new projects. It targets developers and consortia building commercial-scale renewable hydrogen capacity.
RENOCICLA programme
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Programa RENOCICLA funds the establishment of recycling and second-life facilities for renewable energy equipment (solar panels, wind turbine blades, batteries) and innovation projects in eco-design of renewable energy capital goods. The grant supports circular economy advancement in Spain's renewable energy sector through non-repayable subsidies totaling €100 million.
Programa H2 Pioneros
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This grant funds pioneer and singular renewable hydrogen production projects in Spain under the Recovery and Resilience Facility (PRTR) framework. It targets innovative hydrogen initiatives that advance Spain's energy transition and decarbonization goals.
Grant Lines for Investment in Renewable Energy. FEDER Funds
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This grant programme provides non-repayable funding of €316 million co-financed by FEDER to support installation of renewable energy facilities for thermal and electrical energy production across Spain. Eligible applicants include businesses, agricultural operators, and organisations in all sectors seeking to deploy solar, wind, biomass, geothermal, hydrogen, and energy-storage projects, with special emphasis on innovative autoconsumption and agricultural applications.
National Energy Efficiency Fund
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The National Energy Efficiency Fund (FNEE) is a Spanish government mechanism that finances energy efficiency initiatives across sectors to meet EU energy-saving obligations of 53,593 ktep by 2030. It supports economic mechanisms, financial instruments, technical assistance, and training through contributions from energy retailers and operators.
RENOAGE. Renewable Energy Actions in the State Administration (FEDER 21-27)
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RENOAGE funds new renewable energy installations (solar, wind, thermal) deployed by Spanish state administration and public sector entities through FEDER co-financing. Eligible applicants are central government agencies and state-owned institutional bodies seeking to transition to renewable electricity and/or heat generation.
European Regional Development Fund (ERDF)
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ERDF 2021-2027 funds investments in energy efficiency, renewable energy deployment, greenhouse gas emission reduction, and energy transition across EU regions to strengthen economic and territorial cohesion. Eligible applicants include public administrations, businesses, and organizations in EU member states working on energy transition and climate mitigation projects under Political Objective 2.
Energy Communities
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This grant programme funds the formation and development of energy communities across Spain—voluntary, democratically governed entities where citizens, SMEs, and local authorities collectively benefit from shared renewable energy installations and related services. It supports renewable energy generation, energy efficiency, EV charging, energy storage, and sustainable mobility, with two sub-programmes: one for Community Transformation Offices and one for pilot project implementation.
Programa INNOVAE
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Programa INNOVAE supports innovative energy projects in Spain through the Recovery and Resilience Facility (PRTR), targeting deployment and R&D of advanced energy technologies. The programme is open to companies, research institutions, and consortia advancing Spain's energy transition and decarbonisation goals.
Programa DUS 5000
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This programme provides financial aid for singular (unique/innovative) local clean energy projects in demographically challenged municipalities in Spain. It targets renewable energy and energy efficiency interventions at the municipal or community level in economically disadvantaged areas.
Electric Power Production Facilities with Wind and Photovoltaic Installations in Non-Peninsular Territories
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This grant funds the construction and deployment of wind and photovoltaic electricity generation facilities in non-peninsular Spanish territories (primarily island regions). It is open to organizations seeking capital support for renewable energy infrastructure projects in these geographic areas.
Programa RENOVAL 2
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Programa RENOVAL 2 supports the repowering and renewal of existing renewable energy installations to extend their operational life and improve performance. The programme is open to renewable energy project developers and operators seeking to upgrade or modernize aging RE assets.
Energy renovation of existing buildings and infrastructure of the General Administration of the State (FEDER - POPE 2014-2020)
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This grant funds energy renovation projects for existing buildings and infrastructure owned by Spain's General State Administration, supporting comprehensive or partial energy rehabilitation and efficiency improvements to reduce CO2 emissions. Eligible applicants are Spanish public administration entities seeking to achieve energy ratings A or B or improve ratings by at least one letter.
Moves III 2025
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Moves III 2025 is a Spanish government incentive programme that funds the purchase of electric and alternatively fuelled vehicles, as well as charging infrastructure deployment. The programme targets vehicle buyers and fleet operators seeking to transition to low-emission transport.
District Heating and Cooling Networks Incentive Programmes
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This grant programme funds district heating and cooling networks powered by renewable energy sources across Spain, with €43 million allocated to support 36 projects. Eligible applicants can receive incentives to develop and deploy renewable-based thermal infrastructure.
Programa INNOVAE
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Programa INNOVAE is a €115M Spanish government subsidy programme for singular innovative energy efficiency and savings projects across four sectors: sustainable mobility, industry, tertiary building renovation, and cold generation systems. It targets organisations implementing best-available technologies to reduce final energy consumption.
Other European Programmes
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This document describes three major European funding programmes (Horizon Europe, LIFE, and INTERREG EUROPE) that support research, innovation, environmental protection, and energy transition across EU member states. It is an informational overview of available European funding mechanisms rather than a specific callable opportunity.
Spanish Public Energy Agency Financing
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IDAE offers financing instruments for energy-related investment projects in Spain, including participation in innovative projects in energy efficiency, renewable energy, energy storage, and demand management. The financing is available to established companies and newly created entities pursuing energy transition goals through various modalities including direct investment, third-party financing, and project financing.
Programa IPCEI Hy2
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This Spanish government grant programme funds companies and consortia developing renewable and low-carbon hydrogen technologies, industrial decarbonisation via hydrogen integration, and hydrogen-based mobility solutions across three sub-programmes (Hy2Tech, Hy2Use, Hy2Move). Eligible applicants are Spanish entities participating in cross-border European IPCEI consortia at R&D&I and first industrial deployment stages.
Grant programme for energy efficiency improvements in SMEs and large industrial companies (2026)
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This grant programme funds energy efficiency improvement projects for SMEs and large industrial companies in Spain. Eligible applicants can receive financial support to implement energy-saving measures and operational efficiency upgrades in their facilities.
Energy Communities (CE OFFICES and CE IMPLEMENTS)
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This programme supports the establishment of energy community offices and implementation of pilot energy community projects in Spain, advancing local renewable energy deployment and community participation in the energy transition. It targets organizations working to develop and operationalize energy communities as a mechanism for distributed renewable energy generation and citizen engagement.
Grant programme for thermal renewable energy deployment across Spanish economic sectors
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This grant supports the deployment of thermal renewable energy installations (solar thermal, biomass, heat pumps, etc.) across multiple economic sectors in Spain under the Recovery, Transformation and Resilience Plan (PRTR). Eligible applicants include businesses, public entities, and other organizations seeking to transition heating and cooling systems to renewable sources.
Spanish residential renewable energy self-consumption and storage grants under national recovery programme
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This grant funds residential renewable energy self-consumption systems, energy storage, and thermal installations in Spain under the Recovery and Resilience Facility (PRTR). Eligible applicants are residential property owners and occupants seeking to deploy solar, storage, or renewable heating systems.
For Mobility and Vehicles
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IDAE (Spanish energy agency) is offering funding to support mobility and vehicle projects focused on energy efficiency and sustainable transport. The grant targets organizations seeking to deploy or develop low-emission or efficient vehicle solutions in Spain.
Feasibility Study Program for Biomethane Projects for Transportation Use
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This grant funds free feasibility studies for biomethane production projects intended for use in heavy transport fleets, with potential surplus for thermal/electrical applications. It targets organizations developing biomethane from biogas sources (wastewater treatment, landfills, anaerobic digestion) across Spain as part of the EU's Recovery and Resilience Plan.
For the renewal of exterior lighting (FNEE)
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This grant funds the renovation of exterior lighting systems with a focus on energy efficiency improvements. It is administered by Spain's national energy diversification and savings institute (IDAE) and targets organizations seeking to upgrade outdoor lighting infrastructure.
PREE 5000: Programme for energy rehabilitation of buildings in demographically challenged municipalities
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This programme funds energy rehabilitation and retrofit of buildings in Spanish municipalities facing demographic decline, with the goal of improving energy efficiency and reducing operational carbon emissions. Eligible applicants likely include local authorities, building owners, and social enterprises operating in demographically challenged regions.
Water Desalination (FNEE)
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This grant from Spain's energy efficiency agency (IDAE) funds water desalination projects with a focus on energy efficiency and renewable energy integration. It targets organizations seeking to reduce energy consumption and environmental impact in desalination processes.
Aid Programs for the Innovative Renewable Hydrogen Value Chain within the Recovery, Transformation and Resilience Plan
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This grant supports the development and deployment of innovative renewable hydrogen production, storage, and utilization technologies and infrastructure across Spain's hydrogen value chain. It targets companies, research institutions, and consortia advancing hydrogen as a clean energy carrier and industrial feedstock.
Energy Efficiency in Industry
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This grant supports energy efficiency improvements in industrial facilities, funded by Spain's national energy diversification and savings agency. It targets companies and organizations seeking to reduce energy consumption and operational costs through efficiency upgrades.