OrganisationDE

Thyssenkrupp Nucera

German electrolyser manufacturer (thyssenkrupp subsidiary) specialising in alkaline water electrolysis systems for industrial-scale green hydrogen production.

Last refreshed: 22 May 2026 · Appears in 1 active topic

Key Question

Which company built Europe's largest electrolyser, and how does it work?

Timeline for thyssenkrupp nucera

#11 2 Apr

Supplied 37 electrolyser modules (740 MW total) to Stegra Boden facility

European Energy Markets: Stegra finishes 740 MW Boden electrolyser

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Background

thyssenkrupp nucera supplied 37 AWE modules — totalling 740 MW — for Stegra's Boden green hydrogen facility, commissioned May 2026. This is the largest electrolyser delivery in European history, validating the company's modular architecture at gigawatt scale and providing a real-world reference for European green hydrogen project developers.

Common Questions

What is thyssenkrupp nucera and what technology does it make?

thyssenkrupp nucera is a JV between thyssenkrupp and De Nora specialising in alkaline water electrolysis (AWE) systems for large-scale green hydrogen production. It is listed on the Frankfurt Stock Exchange.Source: thyssenkrupp nucera official

Did thyssenkrupp nucera supply Stegra's electrolyser in Sweden?

Yes. thyssenkrupp nucera supplied 37 AWE modules totalling 740 MW — Europe's largest electrolyser installation — for Stegra's green hydrogen facility at Boden, Sweden, commissioned in May 2026.Source: european-energy-markets briefing

How big is the electrolyser that thyssenkrupp nucera built for Stegra?

The Stegra stack is 740 MW, built from 37 individual alkaline water electrolysis modules from thyssenkrupp nucera, making it the largest single electrolyser installation in Europe as of May 2026.Source: european-energy-markets briefing

Source Material

thyssenkrupp nucera — Water Electrolysis

How the World Sees Them

thyssenkrupp AG (parent)

The Stegra commissioning validates the spin-out strategy for nucera; the company's order book and listed valuation depend on continued large-scale deployments.

European industrial policy

A German company supplying Europe's largest electrolyser reinforces the EU's strategic goal of building a domestic green hydrogen equipment supply chain rather than depending on Asian manufacturers.

European green hydrogen developers

The Stegra delivery proves thyssenkrupp nucera can deliver at gigawatt scale; it is the reference installation for European project developers sizing future electrolyser orders.

Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Updated 22 May 2026. Editorial standards.