RH₂ machine Grid Free RH₂

Our Renewable Hydrogen machine, “Grid Free RH₂,” is an off-grid energy system using renewable energy and hydrogen derived from the electrolysis of water. It is connected a renewable energy source, such as a solar panel, and the generated electricity can be used as it is, with remaining electricity stored as hydrogen.

When there is not enough electricity, integrated fuel cells can meet the demand, producing electricity using the stored  hydrogen. By introducing the machine into your school or community, power can be secured, even in the event of a disaster. This can be part of your business continuity plan (BCP), or leveraged by local governments to support evacuation centers. The Renewable Hydrogen Network sells “Grid Free RH₂” to people for use as a demonstration model to teach the RH₂ social model. Please contact us if you have any questions about the installation of our Renewable Hydrogen machine!

Flexibly responds to needs

Starting with a 1kW output, you can change the machine’s components based on your required usage.

Simple and Easy-to-Use

Operation is possible with a simple press of a button. Operating status is displayed on the LED panel

Extended lifetime of water electrolysis components

With a wealth of know-how and experience, we were able to maximize the lifetime of the water electrolysis cell.

Maximized fuel cell operation period

With abundant know-how and experience, we allow for fuel cell-friendly operations, reducing physical impacts on the fuel cell.

About Maintenance

While basic knowledge of electricity is required, it is so easy that you can easily learn how to maintain it yourself. Upon request, we will train you (additional fee may be required).


In the case of a defect or failure due to a defect in design or manufacturing within one year of receipt, we will take appropriate measures including repair or part replacement free of charge.


Maintenance of this product requires basic knowledge of electricity. If you have any questions or concerns, please contact us or a licensed electrician for support.


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