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Hungary plans to bring in US small modular reactor tech with Polish partner

Published by Global Banking & Finance Review

Posted on July 31, 2025

2 min read

· Last updated: January 22, 2026

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BUDAPEST (Reuters) -Hungary has taken a key step towards importing small modular nuclear reactor technology by partnering with Poland's Synthos Green Energy, which holds the rights to GE Vernova

Hungary Collaborates with Poland to Import US Small Modular Reactor Technology

BUDAPEST (Reuters) -Hungary has taken a key step towards importing small modular nuclear reactor technology by partnering with Poland's Synthos Green Energy, which holds the rights to GE Vernova Hitachi's technology in central Europe.

Hungarian nuclear energy development firm Hunatom signed a letter of intent with Synthos, which serves as project developer for building BWRX-300 reactors in the region.

"This agreement is about initiating the technological, infrastructural, financial, and legal preparatory work needed to bring this American nuclear technology to Hungary," Hungarian Foreign Minister Péter Szijjártó said late on Wednesday.

GE Vernova Hitachi is a joint venture between General Electric and Japanese conglomerate Hitachi.

It was not immediately clear how many reactors Hungary wants. In 2023, Energy Minister Csaba Lantos said that Hungary will need to build at least one small modular reactor.

"The United States and Hungary are deepening our relationship across the board: in defense, in commerce, in space, and in energy," Robert Palladino, Chargé d’Affaires at the U.S. embassy in Hungary, said after the signing ceremony.

Hungary currently has a nuclear plant with four Soviet-made VVER reactor units, first brought online between 1982 and 1987.

In 2014, Hungary signed an agreement with Russian nuclear firm Rosatom worth 12.5 billion euros to build two 1.2 gigawatt reactors at Paks on top of the four existing reactors. However, the project, called Paks 2, has experienced long delays.

The project was awarded to Rosatom without a tender, and it is often cited as a sign of continued close ties between NATO and European Union member Hungary and Russia, despite the war in Ukraine - a connection that has unnerved Western allies.

(Reporting by Anita Komuves; Editing by Edwina Gibbs)

Key Takeaways

  • Hungary partners with Poland's Synthos to import US reactor tech.
  • The focus is on GE Vernova Hitachi's BWRX-300 reactors.
  • Agreement initiates preparatory work for nuclear technology.
  • Hungary currently operates Soviet-made VVER reactors.
  • Paks 2 project with Russia faces delays amid geopolitical tensions.

Frequently Asked Questions

What technology is Hungary planning to import?
Hungary is planning to import small modular nuclear reactor technology by partnering with Poland's Synthos Green Energy.
What is the purpose of the agreement signed with Synthos?
The agreement aims to initiate the technological, infrastructural, financial, and legal preparatory work needed to bring American nuclear technology to Hungary.
How many reactors does Hungary plan to build?
While it is not clear how many reactors Hungary wants, Energy Minister Csaba Lantos stated that at least one small modular reactor will be needed.
What is the current status of Hungary's nuclear infrastructure?
Hungary currently operates a nuclear plant with four Soviet-made VVER reactor units, which were first brought online between 1982 and 1987.
What previous agreement did Hungary sign regarding nuclear energy?
In 2014, Hungary signed a 12.5 billion euro agreement with Russian firm Rosatom to build two additional 1.2 gigawatt reactors at Paks.

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