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A disruptive technology for green hydrogen production through environmental humidity

February 2024
Gallery H2umidity® 1
Gallery H2umidity® 1


The only technology on the market capable of producing green hydrogen in the absence of water, by using environmental humidity. A 100% circular process that generates electricity, drinking water and uses the byproducts of the process to generate H2O2, Nanobubbles and uses residual Heat to increase the internal performance of the system in unfavorable environmental situations or for external use (air conditioning, industrial preheating, etc. Water2kW and its technologies are consider like innovative and disruptive Company and Solutions by the Spanish Government and others Private and Public Institutions. H2umidity® allows generating basic resources for populations in remote or disadvantaged areas. It offers immediate solutions in the event of a natural disaster through a Movil Unit. Allows the decarbonization of the industry or can be combined in wind off-shore plants without the inconvenience of sending waste-water to the sea... The options are infinite!

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Label Date February 1, 2024
From Spain
Maturity stage Prototype testing 1:1 in the lab
Looking For Network, New clients, Visibility, Partners, Credibility

The environmental benefits

  • H2umidity® project of 230 Kg/day green hydrogen production in a Food&Beverage plant, H2umidity® allows to lower the energy consumption from the grid and fossil fuel thanks to the solar plant and the green hydrogen production, rising the ratio
  • H2umidity® impact in USE life cycle is lower compared to the Mainstream, thus the Solution present BETTER performance, reducing the impact for that category: Environmental Footprint -88%; Climate Change -89%; Human Health -86%; Ecosystem -87%
  • The Water2kW technology H2umidity® It extracts neither surface water nor groundwater. No waste or pollution elements is discharged to the environment, making it a 100% sustainable and environmentally friendly solution. Generates water from the ambient hu
  • The Water2kW technology H2umidity® recycles residual O2 to generate hydrogen peroxide H2O2 as a disinfectant, Nanobubbles, or enrich the air introduced into the fuel cell to increase its efficiency. Recycles waste heat from the entire system, to improve

The Financial benefits

  • The use of the byproducts of the H2umidity® process allows considerable savings in OPEX operating costs, being able to cover 100% of the demand of heat and disinfection in some cases
  • Its 100% autonomous operation allows you to have fixed water and energy costs that are not conditional on rain, price changes or unforeseen external situations

Activity Region

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Company Profile


Disruptive Green Hydrogen Technology.

View company profile Solution website
Headquarters 28020 Madrid, Spain
Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Water2kW has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.