S Series PEM

Proven hydrogen technology.

Ready to deploy.

Nel electrolysers
are trusted by:

Choose your S Series model:

Nel's S Series scales to match your hydrogen demand.

All models are self-contained, factory-built, and ready to deploy.

ModelS10S20S40
Production Rate0.27 Nm³/h0.53 Nm³/h1.05 Nm³/h
Spec SheetDownload PDFDownload PDFDownload PDF

Nel's S Series electrolyser eliminates or minimizes storage hydrogen.

Reduced hazard footprint

Stores less than 300 mL of gas internally compared to 9,000 L in standard high-pressure cylinders.

Instrumentation grade purity

Delivers a 99.999+% assay for sensitive analytical tools and quality control applications.

Lab-ready integration

Compact, air-cooled design with single-phase power for simple installation in any workspace.

Solid-state reliability

Caustic-free PEM technology eliminates the need for hazardous chemical handling or complex maintenance.

Environment-respecting design

Quiet operation (<70 dB(A)) fits seamlessly into crowded laboratory or research environments.

Hear from our customers:

2:35

Nel & Pacific Energy: Inside Australia’s First Megawatt-Scale Hydrogen Production Site

4:59

Nel & H2 Energy: The Swiss Green Hydrogen Ecosystem

Man facing the camera in sunlight on a green field in front of solar panels

4:03

Nel & NREL: Innovating Together

Need high purity hydrogen - without the complexity?

Nel’s S Series PEM electrolysers deliver self-contained units for projects that demand speed, flexibility, and precision.

Suitable for a wide range of applications.

De-risk your hydrogen investment.

"Proven technology reduces project risk."

This isn't marketing speak, it's what our customers tell us matters most.

Are you ready to explore on-site hydrogen?