Innovation Fund: grants for new climate technology
Grants to demonstrate how new technology can cut climate emissions in practice.
Climate grants
Grants for cutting emissions and adapting to climate change.
Funding opportunities (60)
ELENA – European Local Energy Assistance
Grants covering up to 90% of the preparation costs for large EU investment programmes in energy efficiency, building-integrated renewables or sustainable urban transport.
LIFE 2026: climate adaptation grants
EU grants covering up to 60% of projects that demonstrate and implement practical climate-adaptation solutions.
Grants to scale ecosystem-based adaptation
Grants of up to USD 250,000 for organisations scaling ecosystem-based adaptation, with priority for work in ODA-eligible small island developing states and least developed countries.
Business Fellowship
A full-time paid fellowship for experienced climate-business professionals to help early-stage climate-technology teams reach market, with an industry-competitive living stipend.
Explorer Grants
Grants for scientists and researchers worldwide to test high-risk, early-stage climate technologies while remaining in their current university, laboratory or research role.
Startup investment and growth support
Up to €2.5 million for startups raising early investment to develop and grow urban mobility solutions, including cleaner transport, smart charging and lower-emission logistics.
EIC Accelerator
Grants and investment for companies taking breakthrough technologies from validated prototypes towards commercial deployment and growth, including clean energy and climate adaptation.
LIFE one-stop shops for private-building renovation
Grants to establish integrated renovation services for private homes, professional landlords or commercial buildings. The documented 2026 round is closed.
LIFE private-finance mobilisation for energy efficiency
Grants to develop and test financing schemes that attract private investment into energy efficiency, potentially alongside renewables and storage. The 2026 round is closed.
LIFE cooperation among energy communities
Grants for cross-country projects that strengthen energy-community federations or use peer learning to implement new community energy services. The 2026 round is closed.
LIFE Climate Change Mitigation grants
Grants covering up to 60% of eligible costs for operational projects that cut greenhouse-gas emissions or increase carbon removals in LIFE participating countries.
LIFE Climate Governance and Information grants
Grants covering up to 60% of eligible costs for practical climate-governance, policy implementation and behaviour-change projects in LIFE participating countries.
LIFE project development assistance for sustainable energy
Grants covering up to 95% of technical-assistance costs to prepare and launch substantial energy-efficiency or renewable-energy investments in LIFE participating countries.
LIFE grants for industry clean energy cooperation
Grants covering 95% of eligible costs for international projects that connect industry with clean-energy suppliers or organise energy cooperation among nearby businesses.
SME Market Expansion for urban mobility
A €60,000 grant for SMEs to test new or substantially improved urban-mobility solutions with a committed end-client. Mandatory commercial fees apply; the 2026 round is closed.
LIFE grants for local heating and cooling plans
Grants covering 95% of eligible costs for international projects helping municipalities and regions deliver integrated local heating and cooling plans.
Energy community business-plan grant
A €45,000 lump-sum grant and mandatory training to develop a new business plan for an energy community in 31 eligible European countries. The 2026 call is closed.
RAPTOR city mobility pilots
€60,000 grants for single SMEs to develop and demonstrate a solution to a participating city’s mobility challenge. A mandatory commercial agreement applies; the 2026 round is closed.
Innovation Fund hydrogen production auction
Competitive grants paying a fixed premium per kilogram of certified hydrogen produced in the EU/EEA. IF25 is closed; a further auction is planned for December 2026.
Innovation Fund industrial heat auction
Competitive grants paid against verified low-carbon industrial heat production in the EU and EEA. Applicants finance delivery before payments begin; the 2025 auction is closed.
Innovating for Climate Resilience
Funding to test and expand climate-adaptation solutions that can improve the lives of millions of people living in poverty in developing countries. Applications are currently closed.
Large innovation projects
Grants of up to US$5 million to scale or spread innovative climate-adaptation solutions in eligible developing countries, submitted through accredited implementing entities.
Klimabonus home renovation with an energy adviser
Grants for insulation, replacement windows and ventilation in Luxembourg homes over 10 years old, with an approved energy adviser and approval before work begins.
Klimabonus residential heat-pump grants
Grants for owners installing qualifying geothermal or air-to-water heat pumps in residential buildings in Luxembourg.
Klimabonus solar panel and battery grants
Grants for solar panels that supply your own electricity, with optional battery storage, in residential buildings in Luxembourg.
Klimabonus heat network grants
Grants for constructing a heating network serving homes in Luxembourg or connecting a house or apartment building to an existing network.
Klimabonus insulation and windows: one renovation measure
Grants for owners improving one wall, roof, floor or window element of an older Luxembourg home, without a full energy performance assessment.
Klimabonus solar water heating grants
Grants for solar collectors that supply hot water, with or without additional home heating, in eligible existing Luxembourg homes.
Bicycle, pedelec and cargo-bike purchase subsidy
Luxembourg residents can claim a grant for an eligible new bicycle, pedal-assisted bicycle or cargo bike bought for private use.
LIFE circular economy and zero pollution grants
Grants for public and private organisations implementing circular-economy and pollution-reduction projects, including water resilience and more energy-efficient wastewater treatment.
LIFE Nature and Biodiversity grants
Grants for organisations restoring habitats and protecting wild species, including carbon-rich ecosystems and flood and drought resilience; the 2026 round is closed.
LIFE climate plan implementation grants
Grants for partnerships implementing large climate adaptation and emissions-reduction plans alongside other funding.
LIFE Environment plan implementation grants
Grants for partnerships involving the responsible public authorities to put large-scale environmental plans into practice, including flood and drought resilience.
LIFE household energy poverty
Grants for organisations working together across countries to reduce household energy poverty through public-policy coordination or support for apartment-building renovation.
LIFE building energy renovation solutions
Grants for cross-border partnerships testing scalable building renovation models and practical energy assessment tools.
LIFE BUILD UP Skills national skills platforms
Grants for organisations bringing national partners together to plan workforce skills for energy-efficient buildings and attract people to energy-efficiency professions.
LIFE sustainable energy policy implementation
Grants for public and private organisations working together to help EU countries implement energy-efficiency and building-performance rules.
LIFE RENEWHC — Grants to improve heat-pump and solar-thermal markets
Grants for international partnerships to remove regulatory and financing barriers to heat pumps and solar thermal in existing buildings.
LIFE DIGITAL — Skills and planning for smarter electricity networks
Grants for consortia helping electricity distribution network operators build staff skills and digitalisation roadmaps for integrating clean energy.
LIFE EMPOWER — Clean energy scale-up in cities
A grant for a consortium to help European cities turn proven clean-energy solutions into implementation plans, with training and local-authority roadmap grants.
LIFE environmental governance grants
Grants for organisations improving environmental decision-making, compliance and public awareness, including proactive drought management.
Klimabonus electric-vehicle purchase grant
Individuals can claim a grant for qualifying electric or hydrogen vehicles registered in Luxembourg, including eligible older purchases and used cars or vans.
Environmental protection and decarbonisation investment aid
Aid for companies established in Luxembourg investing in low-carbon technologies and environmental improvements beyond required standards.
SME Packages – Sustainability
Luxembourg SMEs can receive a grant for practical measures to cut energy use or their carbon footprint, alongside water and waste improvements.
Manufacturing SME transformation grant
Up to €50,000 for manufacturing SMEs in the EU to buy external services for greener production, including energy efficiency and renewable-energy integration, alongside free technical advice.
I3FLOAT floating offshore wind innovation grants
Grants of up to €60,000 per small or medium-sized business to develop technologies close to market for floating offshore wind.
NOSTRADAMUS farm digital application grants
Grants of up to €50,000 help small businesses develop open-source farm decision tools, including cereal adaptation and drought-resilience applications.
Topup Klimabonus energy renovation grant
An additional income-tested grant for homeowners in Luxembourg who have already received a qualifying Klimabonus award for energy renovation.
Green Spark Fund
Grants of up to £2,000 for community-led climate-resilience projects by Communities for Nature partners and groups in their partner communities.
Energy efficiency and renewable energy grant
Individuals can receive a municipal grant on top of state aid for home energy renovation and renewable energy installations in Esch-sur-Alzette.
Housing energy grants
Adults with a qualifying national grant can receive a municipal supplement for insulation, renewable energy installations and energy advice for a home in Bertrange.
Home energy renovation supplement
Grants for home insulation, replacement windows, controlled ventilation and energy advice for individual property owners with a qualifying national Klimabonus award.
Environment and energy grants — balcony solar
Property owners can receive 25% of the purchase price, up to €200, for a balcony solar system below 800 W at a dwelling in Mersch.
Sustainable development grants: balcony solar panels
Private building owners in Schifflange can receive 50% of the invoice for balcony solar panels, up to €200.
Housing energy and renewable-energy grants
Municipal grants for Sandweiler residents with an analogous state award for housing energy improvements or renewable-energy installations.
Housing energy and renewable-energy grants
A municipal top-up for housing energy improvements in Schuttrange that already have an analogous Luxembourg state grant.
Communal energy grants
A municipal top-up for owner-occupiers in Junglinster who have received qualifying national aid for home insulation renovations.
Home energy renovation grants
Owners of homes in Niederanven can receive a municipal top-up of 50% of their qualifying national energy-renovation grant, subject to building-level caps.
Ecological subsidies for home renovation
Grants for dwelling owners in Walferdange who have received a qualifying national award for insulation, windows or heat-recovery ventilation.