German steel sector still hesitant to invest in green hydrogen-based steelmaking despite billion-euro subsidies

High cost of H2 and electricity means a premium on green steel beyond what customers are willing to pay

Worker at Salzgitter blast furnace.
Worker at Salzgitter blast furnace.Photo: Salzgitter

Germany’s steel sector may be set for billions of euros in subsidies to switch from blast furnaces to greener options, but the extra costs of hydrogen and electricity will lead to a premium that customers have little incentive to pay.

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“Production with hydrogen is currently not profitable,” Sebastien Bross, CEO of Salzgitter Mannesmann Handels, told logistics trade journal Deutsche Verkehrs-Zeitung. “Otherwise we would have made the change long ago.”

He added that customers may find it difficult to swallow the higher costs of green steel.

“Goods such as cranes become more expensive due to the green steel produced and [they] still have to assert themselves in international competition.”

However, the German federal government has already committed €1bn ($1.07bn) of funding toward Salzgitter’s €2.4bn cost of building out green steelmaking systems, as well as €2.6bn to Stahl-Holding-Saar (SHS) to convert its existing steelworks in Saarland and €1.3bn to ArcelorMittal for a plant in Bremen.

ArcelorMittal is also on course to receive €250m from Bremen’s regional government for the conversion, which is estimated to cost €2.5bn in total.

But a senior state politician argues that ArcelorMittal would not pull out of the project after spending so much cash on pre-development.

“You don’t spend a lot of money up front and then say, ‘We're not going to do that’,” Bremen's senator for economic affairs Kristina Vogt told local newspaper Buten un Binnen.

However, the Luxembourg-based steel company has already reportedly postponed its final investment decision on the plant.

ArcelorMittal has been open about its plans to use fossil gas for direct iron reduction until hydrogen becomes affordable, with its head of European operations implying earlier this year that green H2 made in Europe may always be too expensive to use, saying prices would need to fall to €2/kg for the company to use it for DRI — three to four times lower than current expected costs.
But even using natural gas instead of H2 for DRI could come with a premium, given the plant would still have a much higher electricity demand than the blast furnaces used to day to extract iron from ore.

Meanwhile, Bross pointed out that that Salzgitter would somehow have to convert its three blast furnaces without impacting production.

“We have to continue producing steel; we can’t afford to stop production,” he said.

Jonathan Weber, director of transformation for SHS, told Deutsche Verkehrs-Zeitung that the German government should do more to drive demand for higher-cost green steel.
“Government tenders should specify that green steel be used,” he suggested, noting that in France — where SHS operates a green steelworks that recycles scrap — the state railway SNCF prices CO2 in its criteria for steel used in its networks.

“But who isn’t a big customer of ours?” mused Weber. “Deutsche Bahn [ie, Germany’s national rail operator].”

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Published 18 April 2024, 11:26Updated 18 April 2024, 12:49