H Series PEM

Proven hydrogen technology.

Ready to deploy.

Nel electrolysers
are trusted by:

Choose your H Series model:

Nel's H Series scales to match your hydrogen demand. All models are self-contained, factory-built, and ready to deploy.

ModelH2H4H6
Production Rate2 Nm³/h4 Nm³/h6 Nm³/h
Spec SheetDownload PDFDownload PDFDownload PDF

Research-grade hydrogen. Lab-sized solution.

Turnkey industrial solution

Automated, site-ready enclosure designed for rapid deployment and minimal site preparation.

Automatic load following

Ramps production from 0 to 100% automatically to match real-time demand without storage buffers.

Critical process quality

Provides ultra-pure gas with a -65°C dew point for moisture-sensitive manufacturing processes.

Advanced monitoring

Integrated remote diagnostics and fault detection ensure maximum uptime and operational security.

Upgradeable capacity

Field-upgradeable modular design allows you to scale output as your production requirements grow.

Hear from our customers:

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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 H 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?