Pressurized Alkaline

Hydrogen production made simple, efficient, and future-ready.

Learn more about Nel's pressurized alkaline electrolyser by reading the product brochure.

Significantly improved cell design

Patented, gasket-free cell architecture minimises shunt currents and supports an 80,000-hour design lifetime.

Pre-fabricated, containerized modules

Factory-assembled on 20ft ISO skids to minimise site work and project complexity.

Compact system footprint and material usage

Up to 80% footprint reduction – 100 MW in just 1,750 m².

Outdoor design

Fully containerised and weather-ready, with no dedicated building required.

Highly responsive system with wide operating range

12.5–100% load range with a 2-second-per-point dynamic response for full grid flexibility.

Hear from our customers:

Nel Electrolyser outdoor site in Glencore in front of a blue sky

1:45

Nel & Glencore Nickelverk: A second Nel electrolyser

4:59

Nel & H2 Energy: The Swiss Green Hydrogen Ecosystem

2:35

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

Need large-scale clean hydrogen - without the complexity?

Nel’s pressurized alkaline electolyser delivers 10 tonnes of hydrogen per day at 25 MW, in pre-fabricated containerised modules designed for projects where cost, scale, and speed of deployment matter.

Suited to the world's most demanding decarbonisation 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.