Working where the rubber meets the road

March 11, 2025, 7:01AMSponsored ContentAmerican DND

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TerraPower roundup: Progress for Natrium project

March 10, 2025, 12:00PMNuclear News

TerraPower has continued to make aggressive progress in several areas for its Natrium Reactor Demonstration Project since the beginning of the year. Natrium is an advanced 345-MWe reactor that has liquid sodium as a coolant, improved fuel utilization, enhanced safety features, and an integrated energy storage system, allowing for a brief power output boost to 500 MWe if needed for grid resiliency. The company broke ground for its first Natrium plant in 2024 near a retiring coal facility in Kemmerer, Wyo.

Document to preserve Swedish repository information across generations

March 10, 2025, 9:32AMRadwaste Solutions
The KIF document is meant to engage the reader to share, imagine, and renew nuclear waste information. (Photo: Per Wistbo Nibell)

The preservation of records, knowledge, and memory is recognized as an important component of nuclear waste management, preventing future generations from unnecessary interference with a waste repository and supporting future societies to make informed decisions about such sites.

Crash Course: The DOE’s Package Performance Demonstration

March 7, 2025, 3:01PMRadwaste Solutions
The DOE designed the Atlas railcar to eventually ship spent nuclear fuel to consolidated storage. Before it begins shipping fuel, the department wants to demonstrate the safety of transportation casks through its Package Performance Demonstration project. (Photo: DOE)

Inspired by a history of similar testing endeavors and recommended by the National Academy of Sciences and the Blue Ribbon Commission on America’s Nuclear Future, the Department of Energy is planning to conduct physical demonstrations on rail-sized spent nuclear fuel transportation casks. As part of the project, called the Spent Nuclear Fuel Package Performance Demonstration (PPD), the DOE is considering a number of demonstrations based on regulatory tests and realistic transportation scenarios, including collisions, drops, exposure to fire, and immersion in water.

WIPP completes commissioning of new ventilation system

March 7, 2025, 12:00PMRadwaste Solutions
HEPA filters located within the Safety Significant Confinement Ventilation System facility at the Waste Isolation Pilot Plant. (Photo: DOE)

The Department of Energy’s Office of Environmental Management announced that it has completed the commissioning of a new, nearly $500 million, large-scale ventilation system at its Waste Isolation Pilot Plant, the DOE’s geologic repository for defense-related transuranic waste in New Mexico.

Portsmouth, Paducah sites offer future opportunities, manager says

March 7, 2025, 7:01AMRadwaste Solutions
The DOE’s Joel Bradburne speaks to attendees of the Energy, Technology & Environmental Business Association’s Business Opportunities Exchange. (Photo: DOE)

Cleanup progress at the former Portsmouth and Paducah uranium enrichment plants is helping enable new opportunities for local communities to continue advancing U.S. energy and U.S. security goals, according to Joel Bradburne, manager of the Department of Energy’s Portsmouth Paducah Project Office (PPPO).

Nuclear News 40 Under 40 discuss the future of nuclear

March 6, 2025, 3:00PMNuclear News

Seven members of the inaugural Nuclear News 40 Under 40 came together on March 4 to discuss the current state of nuclear energy and what the future might hold for science, industry, and the public in terms of nuclear development.

To hear more insights from this talented group of young professionals, watch the “40 Under 40 Roundtable: Perspectives from Nuclear’s Rising Stars” on the ANS website.

INL achieves fuel-making milestone for MCRE

March 6, 2025, 12:00PMNuclear News
Uranium chloride fuel salt. (Photo: INL)

Scientists at Idaho National Laboratory continue to make progress on the Molten Chloride Reactor Experiment (MCRE), which entails research and development for the first operational advanced nuclear reactor to use a mixture of molten chloride salt and uranium as fuel and coolant. The experiment is evaluating the safety and physics of the molten chloride fast reactor that Southern Company and TerraPower are planning to build.

Supreme Court justices hear arguments in NRC v. Texas

March 6, 2025, 9:30AMRadwaste Solutions
The U.S. Supreme Court. Front row, from left: Associate Justice Sonia Sotomayor, Associate Justice Clarence Thomas, Chief Justice John G. Roberts, Jr., Associate Justice Samuel A. Alito, Jr., and Associate Justice Elena Kagan. Back row, from left: Associate Justice Amy Coney Barrett, Associate Justice Neil M. Gorsuch, Associate Justice Brett M. Kavanaugh, and Associate Justice Ketanji Brown Jackson. (Photo: Fred Schilling, Collection of the Supreme Court of the United States)

The U.S. Supreme Court heard oral arguments on Wednesday in the Nuclear Regulatory Commission’s licensing of Interim Storage Partners consolidated interim storage facility in Andrews County, Texas. Both the NRC and ISP petitioned the Supreme Court to review a decision by the 5th Circuit Court of Appeals that invalidated the NRC-granted license for the facility. Those two cases were consolidated into one, NRC v. Texas, which was heard by the court.

Penn State and Westinghouse make eVinci microreactor plan official

March 5, 2025, 3:00PMNuclear News
A cross-section of an eVinci microreactor at the eVinci Technology Hub in Etna, Pa. (Photo: Westinghouse)

Penn State and Westinghouse Electric Company are working together to site a new research reactor on Penn State’s University Park, Pa., campus: Westinghouse’s eVinci, a HALEU TRISO-fueled sodium heat-pipe reactor. Penn State has announced that it submitted a letter of intent to host and operate an eVinci reactor to the Nuclear Regulatory Commission on February 28 and plans to engage with the NRC on specific siting decisions. Penn State already boasts the Breazeale reactor, which began operating in 1955 as the first licensed research reactor at a university in the United States. At 70, the Breazeale reactor is still in operation.

Molten salt research is focus of ANS local section presentation

March 5, 2025, 12:02PMANS News
Research engineers take a sample of molten salt for the NEXT Lab. (Photo: Jeremy Enlow/Steelshutter)

The American Nuclear Society’s Chicago–Great Lakes Local Section hosted a presentation on February 27 on developments at the molten salt research reactor at Abilene Christian University’s Nuclear Energy Experimental Testing (NEXT) Lab.

A recording of the presentation is available on the ANS website.

Moltex demonstrates its WATSS fuel recycling process

March 5, 2025, 9:30AMRadwaste Solutions
Concept art of Moltex’s SSR–W and WATSS facility. (Image: Moltex)

Advanced reactor company Moltex Energy Canada said it has successfully validated its waste to stable salt (WATSS) process on used nuclear fuel bundles from an unnamed Canadian commercial reactor through hot cell experiments conducted by Canadian Nuclear Laboratories.

Prepare for the 2025 Nuclear PE Exam with ANS guides

March 4, 2025, 3:00PMANS News

The next opportunity to earn professional engineer (PE) licensure in nuclear engineering is this fall, and now is the time to sign up and begin studying with the help of materials like the online module program offered by the American Nuclear Society.