# HORIZON-CL5-2027-02 — Batteries And Energy

**Funder:** Batteries (BATT4EU)
**Deadline:** 31 March 2027
**Consortium:** Required
**Official call:** https://www.era-learn.eu/network-information/networks/batteries/horizon-cl5-2027-02-batteries-and-energy
**Last updated:** 13 Sept 2026

## Eligibility & scope

HORIZON-CL5-2027-02 - 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-CL5-2027-02 is a joint transnational call from the BATT4EU European Partnership funding battery and energy research through national and regional funding agencies rather than a single EU pot. It requires applicants to form a transnational consortium spanning participating countries, making it suited to research groups already working with international partners on battery technology.

## Who should apply

- Research teams with an existing or planned transnational consortium
- Groups working on battery technology or energy storage systems
- Institutions eligible for funding through participating national or regional agencies
- Applicants able to coordinate across multiple national funding rules

## Key dates

- Deadline: 31 March 2027
- Funded through national/regional agencies under the BATT4EU partnership

## Tips for applicants

- Check the ERA-LEARN call page early to confirm which countries' agencies are participating, since eligibility and funding rules are set nationally, not centrally.
- Build the consortium around the specific participating countries listed for this call rather than assuming EU-wide eligibility.
- Confirm each partner's national co-funding requirements early, as these calls combine separate national budgets rather than a single Horizon Europe grant pot.

## Frequently asked questions

### Who funds HORIZON-CL5-2027-02?

It is funded by national and regional funding agencies in participating countries, coordinated through the BATT4EU European Partnership, not by a single central EU budget.

### Do I need a consortium to apply to this call?

Yes, a transnational consortium spanning participating countries is required.

### When is the deadline for this BATT4EU call?

The deadline is 31 March 2027.

### Where can I find which countries are eligible for this call?

Participating countries and national eligibility rules are listed on the call page and the ERA-LEARN joint-call calendar.

---

Source: [The Great Grantsby](https://grantsby.eu/grants/batteries-batt4eu-horizon-cl5-2027-02-batteries-and-energy) — EU grant monitoring for academic researchers. Always verify details on the funder's website before applying.

**See which EU calls match your profile.** [Preview your matches in 30 seconds, no signup](https://grantsby.eu/demo?ref=llm_grant_md).