H2FLY

The H2F-175 is H2FLY's fuel cell system series — modular in design and scalable from 30 kW up to 2 MW.

Integrating a hydrogen-electric propulsion system into an existing or new aircraft platform requires careful preliminary analysis.

The company is developing the supply and refueling infrastructure for hydrogen-electric flight with industry partners.

The choice of hydrogen storage has a direct impact on range, payload, and system weight in aviation. Liquid hydrogen offers clear advantages over gaseous hydrogen in key performance metrics.

Latest news and press releases from H2FLY – pioneering hydrogen-electric powertrain systems for aviation. Projects, partnerships and milestones on the path to zero-emission flight.

H2FLY works on hydrogen-electric propulsion systems for aviation in Stuttgart.

H2FLY develops hydrogen-electric propulsion systems for aviation.

H2FLY is based in Stuttgart and works on hydrogen-electric propulsion technology for aviation.

H2FLY is a hydrogen aviation company based in Stuttgart. It develops, tests, and integrates hydrogen-electric propulsion systems for aircraft manufacturers and operators worldwide.

Contact H2FLY in Stuttgart — for inquiries about hydrogen-electric propulsion systems, hydrogen infrastructure, and partnerships.

H2FLY's team in Stuttgart can be contacted about hydrogen-electric propulsion systems, infrastructure solutions, and partnership opportunities.

H2FLY develops hydrogen-electric propulsion technologies for aviation. Flight-proven technology for zero-emission aviation — based in Stuttgart, Germany

H2FLY develops and delivers hydrogen aviation solutions, including fuel cell systems, liquid hydrogen storage, and ground infrastructure.

The data controller within the meaning of the General Data Protection Regulation (GDPR) is

The controller within the meaning of the General Data Protection Regulation (GDPR) is

General Terms and Conditions of Purchase and Contracting of H2FLY GmbH

Telefon: +49-711-340300-0 E-Mail: info@h2fly.de

Phone: +49-711-340300-0 Email: info@h2fly.de

General Terms and Conditions of Purchase and Assignment of H2FLY GmbH

H2Fly CEO Ralph Müller expects smaller hydrogen-electric aircraft to be certified around 2032. He says liquid hydrogen costs €10–20/kg ($11–22) today and expects prices to fall as production scales.

Sep 2026 · | Airline Economics LtdNews article

Joby’s S4 pre-production prototype is combined with H2 Fly’s clean-energy expertise in a discussion of aviation records. In 2021, Joby chief test pilot Justin Paines flew the eVTOL through 11 circuits, covering 154.6 miles in 77 minutes.

Jul 2024 · Sustainable Skies › Electric Aviation NewsNews article

Joby Aviation says it has successfully flown a first-of-its-kind hydrogen-electric air taxi demonstrator for 523 miles.

Jul 2024 · AviTrader Aviation NewsNews article

H2FLY will lead an R&D program to increase hydrogen fuel cell power output for regional aircraft. The program aims to more than quadruple output.

May 2024 · Aerospace Testing InternationalNews article