Hydrogen storage methods
Easily order your green hydrogen from Watermeln
Our hydrogen products
Order your hydrogen here
Clean energy, made easy
Whether you need a few kilograms for a small-scale project or hundreds of kilograms for continuous operations—Watermeln delivers exactly what you need, right when you need it. We provide a reliable and flexible supply, perfectly tailored to your schedule and consumption.
Thanks to our own hydrogen fleet and experienced logistics partners, we guarantee a safe and efficient supply, regardless of your location in the Netherlands. And of course, our hydrogen is always 100% green—produced from renewable sources, allowing you to contribute directly to a cleaner future without CO₂ emissions.
With Watermeln, you choose convenience, certainty, and sustainability in one complete package.
Go to hydrogen serviceWhere do we excell in
Hydrogen containers
Every Watermeln unit comes standard with one or more hydrogen tanks and containers.
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Hydrogen type
- Green hydrogen
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Services
- Transport
- Connectig and disconnecting
- Hydrogen pay per use
- Back-up storage
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E-capacity per load
- >5.600 kWh (20ft)
- >10.000 kWh (40ft)
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Maximum capacity
- 440 kg H2 (20ft)
- 780 kg H2 (40ft)
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Maximum working pressure
- 350 bar (20ft)
- 300 bar (40ft)
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Usable capacity
- 415 kg H2 (20ft)
- 750 kg H2 (40ft)
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Demensions
- 6,06 x 2,44 x 2,89 meter (20ft container; ex trailer)
- 9,00 x 2,44 x 3,99 meter (20ft container; incl trailer)
- 13,60 x 2,44 x 3,99 meter (40ft container; incl trailer)
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Weight
- 17.850 kg HY-CUBE 20FT
- 20.350 kg HY-CUBE 20 FT incl. trailer
- 21.500 kg CUBE 40 FT incl. trailer
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Certifications & Compliance
- EN 12245 / ADR / TPED
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Site Requirements
- Distance to buildings (< 4m height): > 5 meters
- Distance to buildings (> 4m height): > 10 meters
- Distance to flammable objects (e.g., batteries): > 5 meters
- Surface: Paved ground or steel road plates
- Usage: Outdoor use only (not covered/indoors)
- Access: Clear access route for hydrogen exchange/swap
- ATEX Zone: 1.7 meters around the hydrogen unit
- Additional Information: Please refer to the Watermeln documentation for environmental authorities (Omgevingsdiensten).
CUBE-Bundle
500 kWh, in the size of a fridge
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Hydrogen type
- Green hydrogen (from electrolysis)
- Type 4 cillinders
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Services
- Transport
- Connecting & disconnecting
- Back-up storage
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e-Capacity per load
- >500 kWh (450 bar)
- >420 kWh (350 bar)
- >360 kWh (300 bar)
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Working pressure (15 °C)
- 450 bar (maximum)
- 350 bar
- 300 bar
- 20 bar (minimum)
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Maximum capacity (15 °C)
- 35,1 kg (450 bar)
- 28.9 kg (350 bar)
- 25,5 kg (300 bar)
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Usable capacity (15 °C)
- 32,9 kg (450 bar)
- 27,6 kg (350 bar)
- 24 kg (300 bar)
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Demensions
- 1,20 x 1,20 x 2,55 meter
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Weight
- <2.000 kg
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Certifications
- ADR / TPED 2010/35/EU / ISO 10961
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Site Requirements
- Distance to buildings (< 4m height): > 5 meters
- Distance to buildings (> 4m height): > 10 meters
- Distance to flammable objects (e.g., batteries): > 5 meters
- Surface: Paved ground or steel road plates
- Usage: Outdoor use only (not covered/indoors)
- Access: Clear access route for hydrogen exchange/swap
- ATEX Zone: 1.7 meters around the hydrogen unit
- Additional Information: Please refer to the Watermeln documentation for environmental authorities (Omgevingsdiensten).