Hydrogen storage methods
Easily order your green hydrogen from Watermeln
Our hydrogen products
Order your hydrogen here
Clean energy, worry free
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.
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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).