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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
January 2026
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November 2025
Latest News
BWRX-300 SMR passes U.K. regulatory milestone
GE Vernova Hitachi Nuclear Energy’s BWRX-300 small modular reactor has completed the second step of the generic design assessment (GDA) process in the United Kingdom. In this step, the U.K. Office for Nuclear Regulation, the Environment Agency, and Natural Resources Wales did not identify “any fundamental safety, security safeguard or environmental protection shortfalls with the design of the BWRX-300.” Step 1 was completed in December 2024.
2020 ANS Virtual Winter Meeting Plenary Session Speaker
U. S. Department of Energy, Retired
Alex Larzelere is the former Federal Director for the DOE Office of Nuclear Energy’s Modeling and Simulation Energy Innovation Hub. As such, he was involved with developing the original vision, writing the Funding Opportunity Announcement, and conducting the Merit Review Process that resulted in CASL. Over the next six years, Alex executed the “light federal touch” for the oversight of the Hub. Alex has been involved with advanced computing and modeling and simulation for about 30 years in a variety of roles. These include, running technology transfer programs, helping to start the Accelerated Strategic Computing Initiative (ASCI) for the simulation of nuclear weapons, working for private industry, and starting his own companies.
He is the author of, “Delivering Insight, the History of the First 10 Years of ASCI”. Also, Alex served in the U.S. Coast Guard, sailing on cutters in Southeast Alaska. He is a graduate of the U.S. Coast Guard Academy. Alex Larzelere is now retired, traveling with his wife, Mary Ann, playing with his grandson, and writing his memoirs.
Last modified November 4, 2020, 9:43am EST
