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Demonstration of battery energy storage systems in existing and new vessels via novel energy storage and ship design concepts (ZEWT Partnership)

Last Updated: 8/19/2025Deadline: 3 September 2025€22.5M Available

Quick Facts

Programme:Horizon Europe
Call ID:HORIZON-CL5-2025-04-D5-11
Deadline:3 September 2025
Max funding:€22.5M
Status:
open
Time left:3 weeks

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💰 Funding Details

Funding Description – HORIZON-CL5-2025-04-D5-11


1. What the Grant Funds

* Full-scale Innovation Actions (TRL 6-8) that design, integrate and demonstrate battery-electric propulsion on:

* Area A: seagoing vessels >400 GT

* Area B: inland river vessels >86 m

* R&D and pilot deployment of:

* High-energy-density battery systems and associated thermal / electrical architectures

* Vessel and hydrodynamic redesign or retrofit solutions that unlock ≥ 40 % range increase vs 2024 benchmark and reach ≥ 120 NM (or equivalent river range)

* Rapid in-route charging or swappable/replenishable battery concepts that converge with IEC/IEEE work

* Digital twins, energy management, weather-routing and big-data-driven optimisation tools

* Safety testing, fire protection and class / flag approval guidelines extending EMSA & CESNI documents

* Replication studies for ≥ 2 additional waterborne applications and market-uptake roadmaps (CEF-AFIF, Innovation Fund, etc.)

* Training material for seafarers, shipyard staff and shore operators


2. Budget & Funding Rate

* Indicative EU contribution per project: up to €22.5 million

* Total call budget (Cluster 5 WP 2025 indicative): ~€45–55 million

* Funding rate (Horizon Europe IA):

* 70 % of eligible direct costs for profit entities

* 100 % for non-profit legal entities

* 25 % flat-rate indirect cost added automatically


3. Eligibility Snapshot

* Consortium: minimum 3 independent legal entities from 3 different EU / Associated Countries.

* Participation from EU/EEA shipyards, equipment suppliers and battery manufacturers strongly encouraged to foster EU strategic autonomy.

* Third-country partners may join with own funding or if specifically eligible under HEU rules.

* Projects must choose either Area A or Area B – not both – and clearly state the 2024 baseline data used.


4. Timing & Procedure

* Call opens: 06 May 2025

* Single-stage deadline: 04 September 2025 – 17:00 (Brussels)

* Type of action: HORIZON-IA (one full proposal, no second stage)

* Evaluation uses standard HE criteria; topic foresees portfolio balance rule – at least the highest-ranked proposal in each Area will be funded if above thresholds.

* Grant agreements expected Q1 2026; project duration typically 36–48 months.


5. Key Compliance Points

* Address all bullets in the Scope section, incl. safety guidelines, replication studies, dissemination & exploitation, training and value-chain resilience.

* Report KPIs to the ZEWT Partnership dashboard.

* Align with European Economic Security Strategy; explain how critical raw materials are sourced responsibly and EU supply chains are strengthened.

* Data management in line with Horizon Europe open-science policy; provide FAIR DMP and, where justified, safeguards for sensitive IP.

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📊 At a Glance

€22.5M
Max funding
3 September 2025
Deadline
3 weeks
Time remaining
Eligible Countries
EU Member States, Associated Countries

🇪🇺 Strategic Advantages

EU-Wide Advantages & Opportunities for HORIZON-CL5-2025-04-D5-11

1. Single Market Access

• Full battery-electric vessels that attain 40 % range extension can immediately serve more than 20 000 km of inland waterways, 329 seaports and 1 400 island routes within the EU, tapping into a market of 450+ million consumers without customs barriers.

• Operators can commercialise solutions in any Member State under the freedom to provide transport services (Articles 56 & 58 TFEU), dramatically shortening pay-back times compared with fragmented national roll-outs.

• Uniform EU environmental charges (ETS-Maritime, FuelEU Maritime) will accelerate demand for zero-emission vessels, creating a single regulatory pull for project technologies.


2. Cross-Border Collaboration & Knowledge Exchange

• The call explicitly requires replication studies; consortia that include multinational shipyards (e.g. NL, ES, PL), battery gigafactories (SE, FR, DE) and inland waterway operators (BE–NL–DE Rhine corridor) can pool complementary know-how and share demonstration costs.

• Access to EU mobility R&I networks (Waterborne TP, ZEWT Partnership, ALICE logistics platform) facilitates open data, joint IP strategies and harmonised training curricula.

• Article 185/187‐type partnerships allow side-projects (e.g. Clean Hydrogen JU on hybridisation) to be plugged into the same pilot vessels, maximising cross-sector spill-overs.


3. Alignment with Core EU Policies

European Green Deal & Fit-for-55: Directly decreases GHGs in a sector responsible for 3.7 % of EU CO₂.

Sustainable & Smart Mobility Strategy (SSMS): Contributes to the target of 30 % modal shift of freight over 300 km to rail/waterborne by 2030.

REPowerEU: Couples battery vessels with renewables on islands, reducing fossil fuel imports.

Digital Europe & Data Act: Use of big-data ship performance analytics encourages interoperable EU data spaces.

Strategic Autonomy: Strengthens the EU battery value chain (European Battery Alliance) and shipbuilding capacity (Important Project of Common European Interest – IPCEI).


4. Regulatory Harmonisation Benefits

• Participation enables proposers to shape pan-EU safety standards (EMSA, CESNI, IEC/IEEE) while testing in multiple flag states, lowering later certification costs.

• Mutual Recognition of Classification Societies (Reg. 391/2009) means a single approval obtained in the project can be passported EU-wide.

• Alignment with AFIR & OPS standards eases deployment of rapid-charging infrastructure in any TEN-T core port.


5. Access to the EU Innovation Ecosystem

• More than 150 maritime RTOs and universities (NTUA, SINTEF, TU Delft, Chalmers) offer world-class hydrodynamics labs and battery testing centres that can be used under Horizon rules at internal cost rates.

• The ZEWT Partnership provides KPI monitoring, brokerage events and matchmaking with over 240 signed members, accelerating exploitation.

• Synergies with the European Digital Innovation Hubs (EDIHs) support AI-driven energy-management modules, while Euroclusters offer SME vouchers for supply-chain readiness.


6. Funding & Financial Leverage

• Horizon grant (70 % for for-profits, 100 % for non-profits) can be combined with:

Innovation Fund (large-scale deployment, CAPEX/OPEX support).

CEF-AFIF (on-shore fast-charging, OPS & battery swapping infrastructure).

EIB Green Shipping Guarantee and InvestEU maritime windows for debt financing.

• National RRP/ERDF funds for shipyard upgrades, aligned with State-aid rules via the General Block Exemption Regulation.

• Blended finance de-risks up-front investment, lowering WACC and improving business-case viability across EU corridors.


7. Scale & Impact Potential

• Fleet replication potential:

• ~1 300 Rhine & Danube cargo vessels >86 m suitable for retrofit (Area B).

• ~680 short-sea Ro-Ro/feeder vessels >400 GT operating <120 nm legs (Area A).

• EU-wide uptake could cut 2.8 Mt CO₂/y and 15 000 t SOx/NOx by 2035.

• Supports peripheral and outermost regions (ORs) by improving island connectivity, fostering cohesion policy goals.


8. Strategic Value for Applicants

• Early movers gain first-of-a-kind references recognised across all Member States, a decisive tender criterion in public service contracts under the revised Maritime State-Aid Guidelines.

• Joint IP assets benefit from EU Unitary Patent and UPC, lowering legal costs for multi-country exploitation.

• Possibility to form European Economic Interest Groupings (EEIGs) or Partnerships for Innovation Procurement (PCP/PPI) for follow-up commercial roll-outs.


9. Actionable Opportunities Checklist

• Build a consortium covering three maritime basins (e.g. Baltic, North Sea, Med) to maximise geographic representativeness for the evaluation criterion ‘impact.’

• Integrate EU-manufactured LFP or Na-ion cells to address strategic autonomy and qualify for potential CBAM exemptions.

• Plan replication studies on TEN-T Rhine-Alpine corridor & Adriatic island ferry network to demonstrate modal shift & island connectivity KPIs.

• Liaise with IEC/IEEE TC 18/69 working groups during the project to fast-track standard adoption and create a market barrier to non-EU competitors.

• Allocate budget for ZEWT KPI reporting & Waterborne TP dissemination events to maximise visibility and meet partnership obligations.


> Leveraging these EU-wide advantages turns the Horizon project from a single demonstration into a continental market-maker, positioning participants at the forefront of Europe’s transition to zero-emission waterborne transport.

🏷️ Keywords

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