Deadline: 19-May-2026
The European Commission is inviting proposals to develop and demonstrate cryo-cooled motor inverter power electronics for fully electric hydrogen fuel cell aircraft. The call focuses on achieving TRL 5, validating performance and reliability, and advancing compact, efficient, and scalable cryogenic electric propulsion systems for future hydrogen-powered aviation.
About the Opportunity
The European Commission is offering support for projects that can develop next-generation cryo-cooled power electronics for aviation.
The goal is to improve the performance of motor inverter systems used in hydrogen fuel cell electric aircraft by applying cryogenic cooling technologies. This can help reduce system size and weight while improving efficiency—both critical for future zero-emission aircraft.
This call is relevant to organisations working in:
- Hydrogen aviation
- Fuel cell electric propulsion
- Cryogenic systems
- Power electronics for aerospace
- Electric aircraft system integration
- Clean aviation technologies
Funding Information
The information provided states:
- Funding for this initiative amounts to €329,500,000
Important Clarification
Because this topic appears to be a specific technology-focused call, the figure of €329.5 million may refer to the wider call or programme envelope, rather than the exact budget for this individual topic.
For article accuracy, it is best to state:
- The broader call funding figure is €329,500,000 as provided
- Applicants should verify the exact topic-level budget, maximum EU contribution per project, and expected number of funded projects in the official call documents
Programme Objectives
The call aims to advance cryo-cooled motor inverter power electronics for use in fully electric hydrogen fuel cell aircraft.
Key objectives include:
- Develop cryo-cooled motor inverter power electronics
- Demonstrate the technology at TRL 5
- Validate performance and reliability
- Improve energy efficiency
- Reduce system size and weight
- Support compact and scalable electric propulsion architectures
- Enable future hydrogen fuel cell aircraft applications
What Projects Are Expected to Deliver
Projects should provide validated technology solutions that move beyond concept-level research.
Expected outcomes include:
- Demonstration of cryo-cooled motor inverter power electronics at TRL 5
- Evidence of reliability and performance validation
- Improved compactness and efficiency of electric propulsion systems
- Scalable solutions for future aircraft integration
- Technical progress toward hydrogen fuel cell powered aircraft deployment
What This Means in Practice
This is not a basic research-only call.
Applicants should aim to show:
- A technically credible power electronics concept
- A realistic demonstration pathway
- Clear validation methods
- Strong relevance to future aircraft propulsion systems
Who Is Eligible?
Eligible participants include:
- Any legal entity, regardless of location
- Entities from EU Member States
- Entities from Horizon Europe associated countries
- Entities from non-associated third countries (subject to call rules)
- International organisations
Legal Entity Definition
Eligible applicants may include:
- Natural persons
- Legal persons
- Entities that may participate without formal legal personality, if allowed under the call conditions
Applicants must comply with:
- Horizon Europe Regulation
- Any specific eligibility requirements listed in the official topic text
Best-Suited Applicants
This call is especially relevant for:
- Aerospace power electronics developers
- Hydrogen propulsion technology companies
- Fuel cell aviation system integrators
- Cryogenic engineering specialists
- Electric motor and inverter developers
- Aviation research institutes
- Universities and RTOs
- Clean aviation consortia
Why This Funding Matters
This opportunity is important because hydrogen fuel cell aircraft require highly efficient and lightweight propulsion systems.
Why it matters:
- Cryogenic cooling can improve power density
- It can reduce size and weight of inverter systems
- It supports more practical fully electric hydrogen aircraft
- It advances zero-emission aviation technologies
- It helps bridge the gap between research and scalable aircraft applications
For future aircraft, these technologies could be critical to making hydrogen-electric propulsion commercially viable.
How to Apply
A strong proposal should show a clear path from technical concept to validated TRL 5 demonstration.
Steps to Apply
- Confirm eligibility
Ensure your organisation qualifies under Horizon Europe and the specific call conditions. - Define the cryo-cooled inverter concept
Clearly explain the architecture, cooling approach, and expected performance advantages. - Show aircraft relevance
Demonstrate how the solution supports fully electric hydrogen fuel cell aircraft. - Plan TRL 5 validation
Present a realistic demonstration and testing plan for performance and reliability. - Focus on compactness and scalability
Explain how the solution reduces size/weight and supports future aircraft integration. - Build the right consortium if needed
Include expertise in power electronics, cryogenics, aerospace integration, and hydrogen propulsion. - Verify official topic details
Check the official topic page for the exact project budget, action type, and submission requirements.
Tips for Applicants
To improve competitiveness:
- Emphasise TRL 5 readiness
- Show clear performance metrics
- Demonstrate strong aerospace integration potential
- Link the solution to future hydrogen aircraft scalability
- Include credible reliability validation methods
- Avoid vague claims without technical evidence
Common Mistakes to Avoid
Avoid these issues:
- Treating the call as a pure research concept
- Not clearly defining the TRL 5 demonstration path
- Weak explanation of aircraft integration relevance
- Ignoring scalability and weight/size benefits
- Assuming the €329.5 million figure is the exact topic budget without verification
- Missing specific Horizon Europe eligibility conditions
FAQs
1. What is the purpose of this European Commission call?
The call supports the development and demonstration of cryo-cooled motor inverter power electronics for fully electric hydrogen fuel cell aircraft.
2. What TRL must the project achieve?
Projects are expected to demonstrate the technology at TRL 5.
3. What type of technology is being funded?
The focus is on cryo-cooled motor inverter power electronics that improve the efficiency, compactness, and scalability of cryogenic electric propulsion systems.
4. Who can apply?
Any legal entity may apply, including entities from non-associated third countries and international organisations, subject to Horizon Europe rules and call-specific conditions.
5. What is the stated funding amount?
The provided information states €329,500,000, but applicants should verify whether this refers to the overall call/programme budget or the specific topic budget.
6. Why is this important for hydrogen aircraft?
Because lighter, more efficient, and more compact power electronics are essential for making hydrogen fuel cell electric aircraft more practical and scalable.
Conclusion
This European Commission cryo-cooled power electronics call is a strong opportunity for organisations developing advanced electric propulsion technologies for hydrogen aviation.
By supporting TRL 5 demonstration of cryogenic motor inverter systems, the call can help accelerate the path toward compact, efficient, and scalable hydrogen fuel cell aircraft propulsion.
For more information, visit European Commission.