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Green Hydrogen Systems designs and manufactures efficient, standardised and modular electrolysers for the production of green hydrogen with renewable energy.

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New A-series web_2


Available in standardised, modular configurations for maximum efficiency, versatility and scalability, this next-generation technology makes the A-Series one of the most efficient pressurised alkaline electrolysers on the market.

The unit is designed from the ground up to accommodate the input fluctuations that come with renewable energy sources. Its versatile design allows for application across many different market segments for green hydrogen production.

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The X-Series is based on the existing well-proven technology, optimised for use in the growing market for large-scale applications in, for example, industry, energy and heavy-duty transport sectors.

Its unique multi-stack concept allows the electrolyser to reach higher voltages crucial to utilise mass-produced, low-cost and high-efficiency power electronics from wind and solar markets operating in the 1000-1500V range.

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#8 reasons to choose our electrolysers

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Selected projects

United Kingdom

Providing green hydrogen for zero-emission power in the UK 

Project with GeoPura™ to deliver 17 HyProvide® A180 electrolysers to produce green hydrogen to fuel GeoPura's rapid deployment of off-grid hydrogen power generators in the UK and beyond.


Hydro-powered electrolysis plants for local, commecial off-take

Project with one of Norways's most mature green hydrogen integrators HYDS/Liquline, to supply and service two HyProvide® A180 electrolysers with a total capacity of 1.8 MW split between two Norwegian projects on the Norwegian west-coast.

We are proud members of
leading industry organisations

18481 - Peter Friis - web_small
At Green Hydrogen Systems, my colleagues and I are convinced that green hydrogen will be at the heart of the future energy systems – and we are committed to be on the forefront of this energy transition.

Peter Friis

Chief Executive Officer, Green Hydrogen Systems