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EU grants for climate & energy companies

Open-call snapshot checked 2026-04-18

Climate and clean-energy companies can access EU funding through Horizon Europe (for research and innovation), the Innovation Fund (for first-of-a-kind clean-tech demonstration), and the LIFE Programme (for environment and climate-action projects).

Best-fit programmes

These are the EU programmes most relevant to climate & energy companies. Each guide explains eligibility, funding rates, and the calls open now.

Horizon Europe Horizon Europe is the European Union's main research and innovation funding programme for 2021-2027, with a budget of around €93.5 billion. Innovation Fund The Innovation Fund is one of the world's largest funding programmes for the demonstration of innovative low-carbon technologies. LIFE Programme The LIFE Programme is the European Union's dedicated funding instrument for environment and climate action, with a budget of around €5.4 billion for 2021-2027.

Where climate funding sits

The right programme follows technology readiness. Early research and innovation — new clean-energy technologies, materials, and systems — is funded by Horizon Europe's climate, energy and mobility cluster. First-of-a-kind demonstration at commercial scale is funded by the Innovation Fund, financed by emissions-trading revenues. Practical environment and climate-action projects are funded by the LIFE Programme.

A company often moves through more than one of these as a technology matures from lab to plant.

What evaluators look for

Climate proposals need a credible, quantified impact case — how much greenhouse-gas reduction, at what cost, and how the result scales or replicates. Vague sustainability language scores poorly; specific, evidenced figures score well.

Innovation Fund applicants additionally need a real project at a real site, with a business case and a realistic path to financial close.

Choosing the right route

If the technology is still being proven, Horizon Europe fits. If it is ready for first-of-a-kind deployment, the Innovation Fund fits. If the project's core purpose is environmental or climate action rather than commercial technology, LIFE fits. A specialist can map a company's roadmap onto the right sequence.

Open calls relevant to climate & energy companies

These open EU calls in the current index snapshot mention themes relevant to climate & energy companies. Keyword filtering is a starting point, not an eligibility check — run a free match for a proper fit assessment.

Frequently asked questions

What EU funding is there for clean energy?

Clean-energy companies can access Horizon Europe for research and innovation, the Innovation Fund for large and small-scale demonstration of innovative low-carbon technology, and the LIFE Programme's clean-energy-transition strand for uptake and enabling projects.

What is the difference between the Innovation Fund and Horizon Europe for climate tech?

Horizon Europe funds research and innovation — proving a technology works. The Innovation Fund funds building and operating first-of-a-kind installations once the technology is close to commercial deployment.

Can a startup apply for EU climate funding?

Yes. Startups and SMEs are eligible across Horizon Europe, the Innovation Fund's small-scale calls, and LIFE. The best route depends on how mature the technology is and whether the company has consortium partners.

Grants for other sectors

EU grants for AI companies AI companies in Europe can access EU grant funding mainly through Horizon Europe (for research and innovation), the Digital Europe Programme (for AI deployment and testing facilities), and the EIC Accelerator (for breakthrough single-company innovation). EU grants for healthtech companies Healthtech and digital-health companies can access EU funding through Horizon Europe's health cluster (for research and innovation), the EIC Accelerator (for breakthrough products), and EU4Health (for health-system deployment and prevention). EU grants for deeptech companies Deeptech companies can access EU grant funding mainly through the EIC Accelerator (for single-company breakthrough innovation), Horizon Europe (for collaborative research and innovation), and Eurostars (for SME-led international R&D projects). EU grants for medtech companies Medtech and medical-device companies can access EU funding mainly through Horizon Europe's health cluster (for clinical research and innovation) and the EIC Accelerator (for breakthrough single-company innovation with a route to market). EU grants for dual-use & defence companies Dual-use and defence-technology companies can access EU funding through the European Defence Fund (for collaborative defence research and capability development) and, for civil applications of the same technology, through Horizon Europe and the Digital Europe Programme. EU grants for advanced manufacturing companies Advanced manufacturing companies can access EU funding through Horizon Europe (for industrial research and innovation), Eurostars (for SME-led international development projects), and the Innovation Fund (for clean, low-carbon industrial demonstration).