# HORIZON-CL5-2026-09 — Batteries And Energy

**Funder:** Batteries (BATT4EU)
**Deadline:** 15 September 2026
**Consortium:** Required
**Official call:** https://www.era-learn.eu/network-information/networks/batteries/batt4u-call-03-2026
**Last updated:** 13 Sept 2026

## Eligibility & scope

HORIZON-CL5-2026-09 - BATTERIES and ENERGY — joint transnational call by the Batteries (BATT4EU) European Partnership, listed on the ERA-LEARN joint-call calendar. Funded by national/regional agencies in participating countries; requires a transnational consortium. See the call page for participatin

## Summary

HORIZON-CL5-2026-09 is a joint transnational call from the Batteries (BATT4EU) European Partnership, funding collaborative research and innovation projects on batteries and energy through national and regional funding agencies. It requires a transnational consortium and is aimed at research teams across participating countries working in battery technology and energy systems.

## Who should apply

- Research teams working on battery technology or energy systems
- Consortia spanning multiple participating countries
- Institutions eligible under national/regional funding agency rules
- Applicants able to form or join a transnational partnership before the deadline

## Key dates

- Deadline: 15 September 2026
- Joint call coordinated across national/regional funding agencies

## Tips for applicants

- Check the ERA-LEARN joint-call calendar and the BATT4EU call page for country-specific eligibility and funding rules, since funding flows through national agencies rather than a single EU pot.
- Start consortium partner searches early given the imminent deadline and the transnational requirement.
- Confirm which national/regional agency will fund your part of the project, as rules and budgets can differ by country.

## Frequently asked questions

### Who funds HORIZON-CL5-2026-09?

It is funded by national and regional agencies in participating countries, coordinated through the Batteries (BATT4EU) European Partnership.

### Is a consortium required for this call?

Yes, a transnational consortium is required to apply.

### When is the deadline for this call?

The deadline is 15 September 2026.

### Where can I find participating countries and funding details?

Details are listed on the ERA-LEARN joint-call calendar and the official BATT4EU call page.

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Source: [The Great Grantsby](https://grantsby.eu/grants/batteries-batt4eu-horizon-cl5-2026-09-batteries-and-energy) — EU grant monitoring for academic researchers. Always verify details on the funder's website before applying.

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