



Location
Stuttgart, Germany
What was installed?
Two of our Outdoor HydroCabs®
At its Stuttgart site, Woodward is pioneering a cutting-edge hydrogen supply solution: Two of our Outdoor HydroCabs® ensure independent and flexible on-site H₂ production through electrolysis.
The Challenge:
Woodward requires hydrogen for its test center to examine fuel cell components. However, securing a reliable supply in the right quantity and at the right time with externally delivered hydrogen proved impractical. Logistical and spatial constraints made on-site hydrogen production the only feasible solution.
Our Solution:
To overcome these challenges, two Outdoor HydroCabs® were installed. These electrolyzers produce hydrogen directly on-site, eliminating reliance on external suppliers. This ensures uninterrupted testing without supply bottlenecks. The system enables sustainable, flexible, and cost-efficient hydrogen production.
About Woodward:
What do container ships on the world’s oceans, mining trucks in South America, and locomotives in Switzerland have in common? They rely on Woodward’s technology. As a leading developer and manufacturer of injection technologies, Woodward plays a key role in the energy transition. Its extensive product portfolio includes components and systems for controlling, dosing, and processing both current and future fuels (Power-to-X).
From ships and power plants to railways and heavy-duty vehicles, Woodward is shaping the future of energy with innovative solutions.
By installing Outdoor HydroCabs®, Woodward demonstrates how companies can achieve a sustainable and future-proof energy supply through on-site hydrogen production.
Components

Enapter AEM Electrolyser EL 4
High efficiency Electrolyser with low requirements for input water purity. The Modules can be easily integrated in 19“ racks and have low maintenance requirements. As many modules as needed are addable to a scalable and modular System.

Enapter Water Tank Module (WTM) 2.1
The water tank is rack mountable into a standard 19” cabinet. It is able to supply 11 AEM electrolysers with clean water,

Enapter Dryer
The dryer is maintenance- free. During operation, one cartridge catches the humidity from the hydrogen gas stream of the electrolyser, while the other cartridge is heated and regenerated. The dryer is rack- mountable in a standard 19” cabinet.
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