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Home / Horizon Europe / HORIZON-CL5-2027-07-D3-27

Integrated Approaches for Retrofitting Infrastructures with Innovative Energy Storage Technologies

Announced, not yet open · HORIZON Innovation Actions · HORIZON-CL5-2027-07-D3-27

Next cut-off
01 Dec '27
in 451 days
Per grant
€7.5M
the call's own average
Grants expected
3
projects that will be funded
Funding rate
70%
the rest is your own money

In context of Horizon Europe

This grant€7.5M
The track runs to the largest grant in Horizon Europe (€171M). The median across the 482 calls we publish is €5.3M, this one is above it.

What this call funds

Expected Outcome:

Project results are expected to contribute to all the following expected outcomes:

  • Improved energy security of the energy system by offering cost-effective and efficient solutions for additional diverse and flexible energy storage capacities.
  • Improve the sustainability and circularity of energy storage systems.
  • Enhanced economic viability of energy storage by utilizing existing infrastructures.

Scope:

Demonstration of novel or improved technological solutions for cost-efficient, circular and sustainable energy storage, which contribute to grid flexibility and make use of existing obsolete or outdated energy or other infrastructures. Proposals should integrate the synergies between novel or improved energy storage technologies and retrofitting of obsolete or outdated infrastructures, like e.g. old hydropower dams and basins, decommissioned power plants, former industrial facilities, coal mines, fossil fuel infrastructure etc. by optimizing at the same time storage capacity and efficiency as well as circularity and socioeconomic and environmental sustainability, which should be addressed, e.g. by stakeholder outreach and consideration of possible environmental impacts. Furthermore, proposals should follow secure by design approach and integrate built-in security in the energy systems.

Selected projects are expected to contribute to the BRIDGE initiative[1] and actively participate in its activities.

null

Activities are expected to achieve TRL 6-8 by the end of the project – see General Annex B. Activities may start at any TRL.

[1] https://bridge-smart-grid-storage-systems-digital-projects.ec.europa.eu/

What applying costs you

ItemEstimateNote
Drafting effort6–8 weekssingle submission
Partner search4–8 weeksruns in parallel, and it is the part that slips
Your own money€3.2M30% of project cost, over the project's life
Time to first payment6–9 monthscut-off → evaluation → grant agreement

These are Bemzu's estimates from the call's structure (the number of stages and whether a consortium is required) not figures published by the Commission. Only the co-financing share is read from the call itself.

Where these conditions come from

Two kinds of row. Most are the sentence we read the condition from, quoted out of the call itself. Some say plainly that they are not a quotation but the programme's own rule for this type of action, the EU portal publishes a table of contents where the conditions should be, so for a Research and Innovation Action the rate comes from the rulebook rather than from the fiche.

ConditionQuoted from the call, or the rule behind it
Consortium sizeNot quoted from this call — Innovation Actions under the Horizon Europe rules are at least three independent legal entities from three different Member States or Associated Countries, at least one established in a Member State.
Funding rateNot quoted from this call — Innovation Actions under the Horizon Europe rules are funded at 70% of eligible costs for profit-making organisations, and 100% for non-profit legal entities — the rate shown here is the one that applies to a company.
Maturitynull Activities are expected to achieve TRL 6-8 by the end of the project – see General Annex B.

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