Nel Hydrogen is the recognised global industry leader in alkaline and PEM water electrolysers. Our water electrolysers offer a superior choice for renewable based applications, including power-to-gas and power-to-power. The product ranges are sure to meet any customer requirements. Our recent acquisition of Proton OnSite has allowed us to provide customers with the largest selection of hydrogen water electrolysers in virtually any capacity.  

Electrolysers for Hydrogen Energy Applications

Atmospheric Alkaline Systems

Proton® PEM Systems

50-485 NM3/ hr

100-400 NM3/ hr

10-30 NM3/ hr

The Nel A Series represents the most reliable and efficient electrolysers in the world. Our modular concept enables us to deliver customised indoor hydrogen solutions for any application, configuration and size – anywhere. Nel tailors each delivery to any customer requirement, from complete installation of the entire electrolyser plant, to delivery of specific modules according to customer preferences.

Proton PEM was originally designed for mission critical applications in militaries, NASA and industrial applications. These systems have a proven track record of reliability and safety like no other Proton Exchange Membrane Electrolyser system on the market.  Proton PEM Electrolysers are turnkey, come in a range of capacities and pair perfectly with renewable assets.