Nippon Steel puts €900 million into a Košice furnace and a new Slovak name

Nippon Steel said on 16 September that U.S. Steel Košice will spend about €900 million, or $1.04 billion, on a new electric arc furnace and a new air separation unit at the Slovak steelworks. On 15 September the Slovak unit signed a grant agreement with the government in Bratislava for up to €350 million from the European Union's Modernization Fund. Of that grant, €310 million is earmarked for the furnace and €40 million for the air plant.

The furnace is rated at about 1.6 million metric tonnes a year. Nippon Steel said it will run alongside the existing blast furnaces rather than replace them on day one. First steel from the new furnace is due in 2030. The air separation unit, which feeds industrial gases to the works, is due in 2029.

U.S. Steel Košice is today a wholly owned subsidiary of United States Steel Corporation, which Nippon Steel acquired. From 1 October it becomes a direct subsidiary of the Japanese parent and changes its name to Nippon Steel Slovakia s.r.o. The May announcement of that transfer is now a calendar date sitting two weeks away.

Why Košice

Nippon Steel has struggled to hold a durable position in Europe. Buying U.S. Steel brought the Slovak works into the group as a going plant with customers in Central Europe and a political host that wants the jobs kept. An electric arc furnace lets the site melt scrap and cut the carbon intensity of a tonne of steel, which is the price of staying inside EU climate rules. Running it next to blast furnaces is a hedge. The company can still make grades that need virgin iron while it learns the scrap mix.

The Modernization Fund exists to help lower-income EU members cut emissions from heavy industry. Slovakia putting €350 million of that money under a Japanese-owned plant is a statement about who it trusts to keep Košice open. It is also a subsidy that rivals in France or Germany will notice. State-backed green steel is now a contest. This is one bid.

Nikkei framed the decision as a second attempt at a market Tokyo has found hard. That is fair. Europe's steel demand is not growing fast. Carbon costs are. A 1.6 million-tonne furnace in 2030 will not move the global price. It will decide whether this particular works still has a licence to operate when the next round of EU carbon rules lands.

What changes on 1 October

The nameplate change is not cosmetic for contracts. Customers, unions and the Slovak state will be dealing with Nippon Steel Slovakia, not with a U.S. Steel letterhead. Capital decisions of this size usually follow that kind of tidy-up. The grant agreement signed on 15 September is the public proof that Bratislava has accepted the new owner as the counterpart for EU money.

For Indian and American mills the signal is narrower. Nippon Steel is planting a low-carbon line inside the EU border rather than shipping finished coil across a carbon tariff. That is the same logic that has driven other Asian producers to look at European scrap furnaces. Košice is the first large cheque from this particular buyer after the U.S. Steel deal.

Production in 2030 is a long date. Between now and then the plant has to pour foundations, hook the grid, lock scrap supply and keep blast-furnace crews working. The €900 million is the start of that sequence, not the end of it.