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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Two steps forward for U.K. advanced nuclear
This week, two significant announcements have emerged from the United Kingdom’s advanced reactor sector.
On June 14, Rolls-Royce, the United Kingdom National Nuclear Laboratory, and the Japan Atomic Energy Agency announced that they had signed two trilateral memorandums of cooperation to collaborate on “advanced modular reactor (AMR) technology, specifically high-temperature gas-cooled reactors (HTGR), and the coated particle fuel these reactors will use.”
Separately, on June 16, Bellevue, Wash.–based TerraPower announced that its Natrium reactor design has been formally submitted for U.K. regulatory review. The company also announced the formation of a new subsidiary, TerraPower UK Ltd.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Dr. Matthew Denman is a Distinguished Engineer in Kairos Power’s Modeling and Simulation group. Matt was the responsible engineer for the first Nuclear Regulatory Commission (NRC) approved non-light water reactor mechanistic source term topical report. He was also responsible for the development and execution of the Maximum Hypothetical Accident analysis which supported the construction permit applications of the Hermes and Hermes 2 reactors. Matt is currently responsible for the execution of radiological source term postulated event analysis supporting operating license applications for the Hermes reactors. Prior to joining Kairos Power in 2019, Matt worked at Sandia National Laboratories where he supported various probabilistic risk assessment and advanced reactor licensing activities for both the NRC and Department of Energy.
Matt has a PhD in Nuclear Engineering from MIT in 2011 and a BS in Nuclear Engineering from the University of Florida in 2007. He is a long-time member of the American Nuclear Society and received the David Okrent Award for Nuclear Safety from the Nuclear Installation Safety Division in 2021. Matt was the Program Committee Chair for the inaugural Advanced Reactor Safety (ARS) conference in 2024 and is the General Chair for the second ARS conference in 2026.
Last modified June 5, 2025, 1:17pm CDT