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Water electrolysers / hydrogen generators

Proven technology. Trusted partner.

With more than 3,500 reliable, cost efficient electrolysers installed around the globe, Nel Hydrogen is the recognized industry leader of Alkaline and Proton Exchange Membrane (PEM) water electrolysis.
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Setting the standard in electrolysis since 1927

Since our founding in 1927, sustained R&D efforts have contributed to continual improvement of electrolyser technology, setting the benchmark in the market. Our electrolysis technology is today widely respected for its robustness, reliability and energy efficiency.

Our water electrolysers make a superior choice for Industry, Transport and Power-to-X applications. Multiple, scalable, flexible, modular product ranges are set to meet any customer requirements.

PSM Series

PEM Electrolyser – PSM Series

MW-class PEM Stack Module (PSM) for on-site hydrogen generation utilizing a modular containerized design for ease of installation and integration with the balance of plant
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PSM Nel electrolyser on white background
Containerized proton exchange membrane PEM water electrolyser

MC Series

PEM Electrolyser – MC Series

In situations where plant space is at a premium, customers may want to site their electrolysers outside. At other times customers may want to configure an electrolyser for a more turnkey operation. MC electrolysers deliver the M Series platform in a containerized form for easy outdoor installations. Typical applications include renewable energy storage, industrial process gas, and hydrogen fueling.
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A Series

Atmospheric Alkaline Electrolyser

Elevate your industrial processes with one of the world's most energy-efficient electrolysers, designed to meet the demands of the future.
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Alkaline electrolyser
C Series PEM Electrolyser angled shot

C Series

PEM Electrolyser – C Series

The C Series electrolysers are ideal for a variety of industrial applications. Producing up to 30 Nm³/h of hydrogen gas at 99.999+% purity, these units replace the need for hydrogen tube trailers or liquid hydrogen storage.
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H Series

PEM Electrolyser – H Series

H Series electrolysers offer turnkey solutions for small-scale applications requiring up to 6 Nm³/h of hydrogen gas at 99.9995% purity. These units make a minimal impact to facility floor space, are easy to maintain and can be installed within hours.
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H Series PEM Electrolyser angled shot
S Series PEM Electrolyser angled shot

S Series

PEM Electrolyser – S Series

Producing high purity hydrogen of 99.9995% at up to 1.05 Nm³/h, S Series electrolysers replace the need for pressurized hydrogen cylinders in a variety of industrial processes. Each unit is low maintenance, compact, quiet, and can be installed within hours virtually anywhere in a facility.
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