Honeywell Successfully Integrates Megawatt-Class Hydrogen Power Source for Aircraft in EU Clean Aviation Project

September 20, 2026

Military Embedded Systems USA

Overview

Honeywell Aerospace’s Brno engineering team has successfully integrated a functional hydrogen power source for aircraft into a ground-based system as part of the EU Clean Aviation Joint Undertaking’s NEWBORN project. This achievement is a critical step towards developing a megawatt-class hydrogen fuel cell propulsion system for aviation, involving 18 partners from 10 European countries. The integrated hydrogen power source will now undergo ground demonstrations for a complete propulsion system, powering megawatt-class electric motors and aircraft propellers, marking a significant milestone for aviation decarbonization.

In Depth

Key Findings

Honeywell Aerospace’s engineering team in Brno has announced the successful ground integration of a functional hydrogen power source capable of powering aircraft. This milestone was achieved as part of Project NEWBORN, an initiative funded by the EU Clean Aviation Joint Undertaking, and represents a significant step towards developing megawatt-class hydrogen fuel cell propulsion systems for aviation.

Technical / Clinical Details

Project NEWBORN is a substantial collaborative effort involving 18 companies from 10 European countries. Its primary goal is to develop a megawatt-class electric motor propulsion system that utilizes a combination of hydrogen fuel cells and batteries to directly drive aircraft propellers. The successful integration of the hydrogen power source is a core component of this hybrid propulsion system, demonstrating its capability to supply power under stringent aerospace requirements.

The ground-integrated system generates electricity from hydrogen fuel, which is then fed into an electric motor. This initial integration success validates the feasibility of future aircraft-mounted hydrogen fuel cell propulsion systems. Ground demonstration tests are currently underway to meticulously evaluate the system’s durability, safety, and overall performance. This technology holds immense potential to drastically reduce emissions from conventional jet fuel-dependent aircraft, enabling the transition towards zero-emission aviation.

Background & Context

The aviation industry is recognized as one of the most challenging sectors to decarbonize within climate change mitigation efforts. As part of its ‘Fit for 55’ package, the EU is strongly promoting the development of hydrogen propulsion technologies, alongside expanding the use of sustainable aviation fuels (SAFs). Programs like the Clean Aviation Joint Undertaking are designed to accelerate the commercialization of such innovative technologies through public-private partnerships. The involvement of key suppliers like Honeywell enhances technical credibility and raises expectations for practical implementation.

Strategic Significance & Outlook

The successful integration of the hydrogen power source paves the way for the next phase of Project NEWBORN: a full-scale ground demonstration of the complete megawatt-class propulsion system. This will yield invaluable data on the system’s overall performance and safety, informing design refinements for eventual flight testing. As this technology matures, it is expected to contribute significantly to the overall sustainability of the aviation industry, starting with short- and medium-range aircraft and potentially extending to larger aircraft in the future.

Source: https://www.urbanairmobilitynews.com/hydrogen/honeywell-announces-progress-in-developing-hydrogen-power-source-for-electric-aircraft/

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