A Dutch consortium of technology companies including Demcon, Thorizon and VDL Group have signed a project agreement to demonstrate and validate the manufacturability, safety, and functionality of critical components and non-nuclear (sub)systems of molten salt reactors (MSR).
     The collaboration between Demcon, Thorizon and VDL Group was formalized in October of 2024 during a visit by Climate and Green Growth Minister Sophie Hermans to the Dutch Institute for Fundamental Energy Research (DIFFER), a leading research institute in Eindhoven. During her visit, the consortium partners, along with DIFFER, signed a letter of intent to facilitate small modular reactor (SMR) technology development in the Netherlands. A project agreement between the partners was signed in December of 2024. The consortium aims to establish an advanced testing facility where molten salt reactor technologies can be developed and tested.
     In early December of last year, the consortium reached a major milestone by submitting a grant application to the Province of Noord-Brabant. Thorizon said that this application highlights the commitment of the involved parties to foster innovation and sustainable development in the region.
     In 2021, Noord-Brabant launched the innovation coalition ‘Nuclear Energy for the Future’ with the goal of leveraging the manufacturing industry and research institutes in the province to accelerate the development of MSRs.
     Thorizon said, “Participating in this project will not only provide companies with valuable experience but also help them attain the qualifications needed to become part of the supply chain for SMRs and large-scale reactors planned in the Netherlands. This strengthens the competitiveness of the Dutch manufacturing sector, creates new jobs, and fosters innovation. The project aims to deliver several component prototypes and a test facility in Noord-Brabant within two and a half years.”
     Kiki Lauwers is the CEO of Thorizon. She said, “For Thorizon, this is a unique opportunity. Companies like VDL and Demcon have unparalleled experience in realizing high-tech projects, from concept to prototype and serial production. During our collaboration with DIFFER, we have seen that Brabant offers world-class knowledge and facilities and can act quickly. With these partners, we share an ambitious and pragmatic mindset that is crucial for our development and successful collaboration.”
     Thorizon is a spin-off from NRG Pallas, which operates the High Flux Reactor in Petten. It is developing a one-hundred megawatt MSR which is targeted at large industrial customers and utilities. The company plans to begin building its first reactor, Thorizon One, around 2030.
     Thorizon currently collaborates with nuclear industry leaders such as Orano, Tractebel and EDF, and its project has been selected by the European Commission and the French government under the France 2030 investment plan.
     MSRs use molten fluoride salts at low pressure as primary coolant. They may operate with fast neutron spectrums, and with a variety of fuels (A fast neutron spectrum is characterized by neutrons carrying energies above one million electron volts.) Much of the interest today in reviving the MSR concept relates to using thorium (to breed fissile uranium-233). An initial source of fissile material such as plutonium-239 needs to be provided.
     The DIFFER research institute conducts leading-edge research on fusion energy and chemical energy. It supports the development of MSRs through its unique DICE (DIFFER Irradiation-Corrosion Experiment) research facility. DICE is used to optimize material choices taking into account the interaction between corrosion, heat, and radiation.

Thorizon

     A Memorandum of Understanding on Principles Concerning Nuclear Exports and Cooperation finalizes a provisional understanding reached in November of last year. It was signed by South Korea’s (S.K.) Industry Minister Ahn Duk-geun and U.S. Secretary of Energy Jennifer Granholm, who said on X, “Today, the United States and Republic of Korea reaffirmed our shared commitment to advancing peaceful nuclear energy. Together, we’re enhancing energy security, tackling the climate crisis, and ensuring a safer world.”
     The agreement covering exports of nuclear technology was signed by the U.S. and S.K. on the same day that the leaders of S.K. and the Czech Republic reaffirmed their commitment to nuclear projects including the expansion of the Dukovany nuclear power plant.
     The U.S. and S.K. have collaborated on civil nuclear power projects for more than seventy years according to a joint statement issued by the respective ministries. “The cornerstone of this cooperation reflects the two countries’ mutual dedication to maximizing the peaceful uses of nuclear energy under the highest international standards of nuclear safety, security, safeguards, and non-proliferation.”
     The joint statement continued. “This MoU continues to build upon this long-standing partnership and provides a framework for the parties to cooperate in expanding civil nuclear power in third countries while strengthening their respective administration of export controls on civil nuclear technology. It will also provide a pathway to help both countries keep up with the emergence of new technologies in this sector.”
     The agreement is considered to be significant for S.K. nuclear exports to other countries. In August of 2024, Korea Hydro and Nuclear Power (KHNP) was selected by the Czech government as its preferred bidder to construct up to four new nuclear power units in S.K.  S.K.’s APR1000 nuclear reactor is based on original technology obtained from Westinghouse, a U.S. company. This requires that exports of Korean reactors go through U.S. export consent or notification procedures.
     There has been a continuing dispute between Westinghouse and KHNP over the issue of intellectual property rights for the APR1000. This disagreement is the subject of international arbitration, a process which Westinghouse notes is not expected to be resolved before the second half of 2025.
     The new MoU could smooth the way for U.S. governmental consent for the Czech nuclear power plant deal. Negotiations with Westinghouse should become much more straightforward. A Korean Trade Ministry official told the Korea JoongAng Daily that “This has become an opportunity to strengthen export control cooperation by establishing an information sharing system for transferring civilian nuclear power technology to third countries. As a ‘global comprehensive strategic alliance’, we expect it to promote mutually beneficial cooperation between the two countries in the global market in the future.”
     Citing S.K’s Ministry of  Economy and Finance, Korea.net reported that the country’s acting president, Choi Sang Mok, told Czech Prime Minister Petr Filala on the 8th of January of this year that the country intends to “smoothly proceed with major cooperation projects between our two sides like the construction of a nuclear power plant in Dukovany and diplomatic affairs like high-level exchanges”.

South Korea