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Hydrogen plant Domat/Ems For a climate-friendly future

Make an active contribution to CO₂ reduction with green hydrogen from our plant in Domat/Ems and meet your climate targets at the same time.

About the plant

Axpo and its local partner Rhiienergie built a hydrogen production plant at the Reichenau hydropower plant in Domat/Ems in 2023. The plant produces up to 350 tonnes of green hydrogen annualy and is the largest of its kind in Switzerland to date. The inclusion of hydrogen in the energy mix will help to strengthen security of supply. 

    2.5

    MW

    Electrolyser output

    350

    Tonnes

    Hydrogen per year

    4

    Filling stations

    200 and 300 bar

    Domat/Ems hydrogen plant
    Output of the system2.5 MW
    H₂ production volume up to 45 kg/h
    Quality5.0 incl. fuel-cell quality
    Electricity originReichenau run-of-river power plant
    Available pressure levels200 bar, 300 bar
    ApplicationsIndustry, Mobility

    Price & contact

    Here you can find the current price indication for a spontaneous pick-up of hydrogen from our plant in Domat/Ems. The price corresponds to a non-binding indication for a maximum quantity of 300 kg with a minimum trailer turnaround time within the current week and is agreed individually with our partners on a contractual basis.

    Are you interested in hydrogen from Domat/Ems? Contact us and we will get back to you as soon as possible to agree on the next steps.  

    Michael Limacher

    Hydrogen Sales

    Specifications

    The following documents provide further information on the plant in Domat/Ems. 

    Partner

    Axpo and Rhiienergie are joining forces and setting new standards in sustainable energy production with the hydrogen production plant in Domat/Ems. The close partnership combines decades of energy expertise with regional roots – for a reliable, CO₂-free hydrogen supply in Switzerland.

    Experience the plant

    Discover how the electrolyser, the temporary storage and the compressor work together to produce green hydrogen from hydropower – innovative, efficient and CO₂-free.

    Media releases & reports

    20.02.2025

    Axpo supports green hydrogen networking platform in Switzerland

    Read more

    13.12.2024

    Axpo and partners launch further green hydrogen plant

    Read more

    26.04.2024

    Axpo and Rhiienergie open largest green hydrogen production plant in Switzerland

    Read more