Salzgitter and Sunfire to build world’s most powerful high-temperature electrolyser


The Salzgitter Group and Sunfire GmbH will build and operate the world’s largest high-temperature electrolyser (HTE) for energy-efficient production of hydrogen together with key technological partners.

The GrInHy2.0 project marks the continuation of the successful collaboration between the two companies which began with the launch of the predecessor project GrInHy in March 2016.

Under the overall coordination of Salzgitter Mannesmann Forschung GmbH and with new international partners on board, GrInHy2.0 will see what will be the world’s most powerful steam electrolysis plant generate hydrogen for use in SZFG’s integrated steelworks.

With an overall budget of €5.5m, GrInHy2.0 was launched in January. In addition to the two Salzgitter companies SZFG and SZMF, the consortium partners also include Sunfire GmbH, Paul Wurth S.A., Tenova SpA and French research centre CEA.

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