How a sleepy Czech town is helping Europe compete in the global chip war

The Czech town of Roznov pod Radhostem was best known for its rum-drizzled sweet pies and an open-air museum showing off historical wooden houses. Then came an announcement that stirred the sleepy backwater.

US chipmaker ON Semiconductor Corp. picked Roznov for a new $2 billion manufacturing hub in June. The past few weeks have seen a flurry of visits by property developers, the head of a local university and government officials followed around by television crews.

The interest isn’t surprising given the investment will be the biggest by a foreign company in the Czech Republic for three decades. But it also reflects how there’s more riding on the plan to make a new generation of microchips than the prospects of a corner of central Europe.

Onsemi will expand an existing site to make chips for electric vehicles and the renewable energy industry, with a contract with Volkswagen AG already lined up. Success is not just important for the town and the stagnating Czech economy, but also the European Union’s ability to secure supplies amid a global battle for critical components.

“Semiconductors are becoming the backbone of the modern economy,” Industry and Trade Minister Jozef Sikela said. “The more of these new technologies we can produce domestically, the better for our economic security.”

The Onsemi investment is modest compared with some technology projects elsewhere in Europe. But the current Roznov facility already plays an outsized role within the company because it designs as well as produces semiconductors. That’s key to moving the Czech economy toward more profitable, less labor intensive industry than traditional car and auto component manufacturing.

While the planned investment will create only 800 new jobs over the next seven years, Onsemi expects annual revenue at Roznov will gradually quadruple to at least $1.2 billion because the expansion will focus on more profitable silicon-carbide semiconductors with a higher capacity.

The first challenge, though, is to make sure the town of 16,000 people can cope with the expansion. To allay concern among locals about a shortage of schools, doctors and housing, Mayor Jan Kucera said between 300 and 400 new apartments will be built while the town will spend the equivalent of $85 million to improve local roads, parking and other services.

“Every mayor’s dream is a brownfield high-tech investment from a company you already know that will attract educated people,” Kucera said at Roznov’s renovated library. “And that’s exactly what we’re getting.”

The prospect of the town’s joining the next industrial era stands in a stark contrast to the challenges faced by the neighboring region around the city of Ostrava, just an hour away by car. Since the end of Communism in 1989, the easternmost part of the Czech Republic has been plagued by a steep decline of the traditional mining and metallurgical industries, and chronic unemployment.

Just this summer, a dormant steelmaker in Ostrava declared itself insolvent after it couldn’t pay energy bills and salaries to its almost 5,000 employees.

That means chips will be made closer to customers in the car industry, the traditional driver of the Czech economy and now beset by rapidly rising wages, global supply-chain disruptions and competition from Chinese electric vehicles.

The Roznov plant expansion is an “important step in efforts to reduce the EU’s dependence on imported strategic commodities and components,” said Helena Horska, chief economist at the Czech unit of Raiffeisen Bank International AG, and an adviser to Prime Minister Petr Fiala. With Onsemi chips also used in solar panels, the investment might eventually help reduce the country’s dependence on cars, she said.

Onsemi is still negotiating with the Czech government and the EU about financial support, which may cover about a quarter of the investment. If all goes well, the company plans to start building a new production hall next year across the street from its existing compound in Roznov.

The Czech Republic has started to fall behind even its poorer regional peers when it comes to investment from abroad, particularly in new technologies. A year ago, Intel Corp. picked neighboring Poland for a $4.6 billion chip assembly and test plant, while nearby Hungary is becoming a European hub for the production of EV batteries.

Onsemi wants to help fill that void, according to Ales Cab, head of the US company’s Czech business. Once new supply chains are set up, carmakers and other chip buyers are likely to stick with them for at least two decades, he predicted.

“Now is our chance to jump on the bandwagon,” Cab said at the company’s site in Roznov. “Such a window of opportunity opens once in a very long time.”

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