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EU funding for climate tech and clean energy

Open-call snapshot checked 2026-04-18

Climate-tech companies can access EU funding through Horizon Europe for research, the Innovation Fund for first-of-a-kind clean-tech demonstration, LIFE for climate action, and the EIC for breakthrough startups.

Best-fit programmes

These programmes are the strongest starting points for climate tech and clean energy. Exact eligibility still depends on the call topic, partnership model, deadline, and expected outcomes.

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. EIC Accelerator The EIC Accelerator is the European Innovation Council's flagship scheme for single startups and small companies.

Where climate funding fits

The right route depends heavily on technology readiness. Early R&D usually points to Horizon Europe, first commercial demonstrations point to the Innovation Fund, and environment or climate-action deployment can point to LIFE.

A strong application quantifies emissions reduction, adoption pathway, cost, and replication potential rather than relying on generic sustainability language.

What to check before applying

Check whether the programme wants research partners, a demonstration site, public-sector adoption, or a single-company scale-up. The evaluation logic changes materially between those routes.

Open calls relevant to climate tech and clean energy

These open EU calls in the current index snapshot mention themes relevant to climate tech and clean energy. Keyword filtering is a starting point, not an eligibility check.

Example call themes

  • Horizon Europe climate, energy, and mobility calls
  • Innovation Fund clean-tech demonstration calls
  • LIFE climate-action and clean-energy-transition calls

Frequently asked questions

What EU grants fund climate tech?

Horizon Europe, LIFE, the Innovation Fund, and the EIC Accelerator are the main routes for climate-tech companies. The best fit depends on maturity, project type, and whether the work is research or deployment.

Can startups apply for EU climate funding?

Yes. Startups and SMEs can apply to several EU climate programmes, but many calls require partners or a specific demonstration setting.

Other grant topics

EU funding for AI and foundation models AI companies can access EU funding through Horizon Europe for research, Digital Europe for deployment and testing infrastructure, and the EIC Accelerator for breakthrough single-company innovation. EU funding for healthtech and biotech Healthtech and biotech companies can access EU funding through Horizon Europe's health cluster, EU4Health for health-system deployment, Digital Europe for health data infrastructure, and the EIC for breakthrough products. EU funding for cybersecurity Cybersecurity companies can access EU funding through Horizon Europe civil-security research, Digital Europe deployment calls, CEF Digital infrastructure routes, and defence/security programmes where eligible. EU funding for education and skills Education and skills organisations can access EU funding through Erasmus+ cooperation and mobility actions, Digital Europe skills calls, and Horizon Europe research where the project has an innovation or evidence component. EU funding for space and satellite technology Space and satellite companies can access EU funding through Horizon Europe space calls, Digital Europe and EUSPA-linked downstream routes, and the EIC Accelerator for breakthrough single-company space technology.