Ondřej Komžák appointed Director of the Radiopharmaceuticals Division
Ondřej Komžák takes up the role of Director of the Radiopharmaceuticals Division on 1 October.
01.10.2026 Read morePatrik Špátzal Appointed Chief Executive of ÚJV Řež
On 1 October 2026, Patrik Špátzal was appointed Chairman of the Board and Chief Executive Officer of ÚJV Řež.
01.10.2026 Read moreÚJV Řež strengthens its position in Europe’s nuclear power market as Electrabel follows EDF in placing its trust in Czech expertise
The Central Analytical Laboratory of ÚJV Řež (CAL) is further strengthening its position among Europe’s trusted providers of analytical support for the nuclear power sector.…
25.09.2026 Read moreAbout Us
Under the ÚJV Řež brand, we deliver a comprehensive portfolio of services that support the safe, efficient and sustainable long-term operation of energy sources, with a strong focus on nuclear technologies in the Czech Republic and internationally. Building on more than 70 years of expertise, we are recognised as one of Europe’s leading technology centres. We are also the largest supplier and producer of radiopharmaceuticals on the Czech market, and in the field of hydrogen technologies we focus on solutions for hydrogen production, transport and storage.
Products and Services
Nuclear Energy
We provide comprehensive technical and engineering support for the nuclear energy sector – from supporting the safety and reliability of nuclear power plants, their efficient operation and maintenance, and the fuel cycle, to supporting the construction of new nuclear sources, including SMRs.
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Radiopharmaceuticals
ÚJV Řež is the largest Czech producer of PET radiopharmaceuticals. Our PET radiopharmaceuticals are produced at dedicated PET centres in Prague, Brno and Řež. At least one of our products is supplied to every healthcare facility in the Czech Republic, supporting the diagnosis of more than 45,000 patients each year.
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Non-Nuclear Energy
We provide technical support for the operation and maintenance of energy sources, as well as ageing management and lifetime assessment for industrial equipment. In hydrogen technologies, we prioritise projects focused on low-carbon hydrogen production, transport and storage.
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Research & Development
In our research and development projects, alongside nuclear safety and reliability, we focus on the fuel cycle, the research and testing of advanced materials for energy and industry, and expert support for the deep geological repository project in the Czech Republic.
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Nuclear Museum in Řež
Opened in 2024 at our site in Řež, the museum brings together two exceptional collections in a unique exhibition accessible to the public. It offers visitors engaging stories, technical curiosities an...
Srní 2026 Conference
The conference provides a forum for experts to share research findings and practical experience in the service life of power generation equipment in conventional and nuclear power plants. Its aim is t...
AMALTO 2027
AMALTO brings together international experts in ageing management and long-term operation to discuss the latest approaches to ensuring the safe, reliable and long-term operation of nuclear power plant...