Texas-sized nuclear plans grow with news from Natura and Last Energy

A rendering of Last Energy’s plan to site 30 microreactors in northwestern Texas to power data centers. (Image: Last Energy)

February has been big for nuclear in the state of Texas. On February 2, Governor Greg Abbott declared “It’s time for Texas to lead a nuclear power renaissance in the United States.” Two days later, Texas A&M University invited four advanced reactor developers—Aalo Atomics, Kairos Power, Natura Resources, and Terrestrial Energy—to build nuclear capacity on its RELLIS campus. On February 18 Natura announced plans for two 100-MWe molten salt reactors—one at TAMU RELLIS and the other in the Permian Basin—through a partnership with the Texas Produced Water Consortium and Texas Tech University. And today, Last Energy announced plans to site 30 microreactors—20-MWe pressurized water reactors—at a 200-acre site in northwestern Texas to power data centers.

PNNL team creates “super alloy” for nuclear reactors

PNNL researchers (from left) Isabella van Rooyen, Subhashish Meher, and Steven Livers are part of the team that developed a durable new nickel-based “super alloy” by replacing cobalt with manganese. (Photo: Andrea Starr/PNNL)

Pacific Northwest National Laboratory has reported that researchers there have created a tough new alloy that has potential use in advanced nuclear reactors and that is not dependent on a difficult-to-get element. The research team, which included materials scientists Isabella van Rooyen, Subhashish Meher, and Steven Livers, started its experiments with the highly durable nickel-chromium-cobalt-molybdenum “super alloy” known as Inconel 617 (IN617).

UMich doctoral student sees nuclear in clean energy future

Abdussami poses with UMich NERS professor Aditi Verma at the ANS Winter Conference in 2023. (Photo: Muhammad Rafiul Abdussami)

Muhammad Rafiul Abdussami is hoping to “shape a brighter future” through innovative approaches to nuclear engineering. The young native of Bangladesh, who is known to friends and colleagues as Rafiul, is a doctoral student in his third year in the University of Michigan’s Department of Nuclear Engineering and Radiological Sciences (UMich NERS). He expects to graduate in December 2026. He is also enrolled in the Science, Technology, and Public Policy (STPP) graduate certificate program in the UMich Ford School of Public Policy.

NRC gives TerraPower good news on Kemmerer construction permit

The Nuclear Regulatory Commission has sent a February 26 letter to George Wilson, vice president of regulatory affairs for TerraPower, informing him that the agency’s draft safety evaluation (SE) has been completed on the company’s construction permit application for Kemmerer Power Station Unit 1. This advanced non–light water reactor design, dubbed Natrium, is slated for construction near a retiring coal plant in Wyoming as TerraPower’s first reactor.

Thought experiment: What would it be like inside a tokamak?

Thu, Feb 27, 2025, 6:00PMANS News
Korea’s KSTAR tokamak. (Photo: Korea Institute of Fusion Energy)

The ITER organization (IO) recently published an article asking, “Have you ever wondered what it’s like inside an operating tokamak?” For speculative answers, the international nuclear fusion project turned to electrical engineer Michael Walsh, the new head of ITER’s Fusion Technology—Instrumentation & Control Division and previous head of ITER’s Diagnostics Division.

Capping work begins on U.K.’s LLW disposal facility

Thu, Feb 27, 2025, 3:30PMRadwaste Solutions
Aggregate is delivered by rail to the U.K.’s Low-Level Waste Repository site. (Photo: NWS)

Nuclear Waste Services (NWS), which manages the disposal of the United Kingdom’s low-level radioactive waste, announced this week that a major milestone has been reached at its Low Level Waste Repository in West Cumbria, England, as work begins on the final capping of legacy disposal trenches and vaults at the site.

Nuclear workshop looks to the future after National Academies report

Wed, Feb 26, 2025, 9:00PMNuclear News

Following the release of a new report from the National Academies of Sciences, Engineering, and Medicine on the future of advanced nuclear reactors in the United States, experts in policymaking, finance, regulation, community engagement, and energy technologies convened a workshop recently on how a safe and secure foundation for the nuclear industry going forward can be laid.

NRC releases latest edition of its Information Digest

Wed, Feb 26, 2025, 6:00PMNuclear News

The Nuclear Regulatory Commission has published its 2024–2025 Information Digest, NUREG-1350, Vol. 35, which describes the agency’s responsibilities and activities and provides general information regarding nuclear-related topics.

According to the NRC, the digest is intended to be a quick reference with important facts about the NRC and the industry it regulates presented publicly in an “easy-to-understand format” with visual aids.

The NRC published the digest annually from 1989 until 2023, when the agency switched to a two-year publication cycle. The next digest containing updated data will be published in February 2027.

My story: Edward Warman—ANS member since 1960

Wed, Feb 26, 2025, 3:30PMUpdated Wed, Feb 26, 2025, 3:30PMNuclear NewsEd Warman
Ed Warman in 1990 (left), when he was named an ANS Fellow, and in 2019 (right) with a great-granddaughter, who is wearing a Soviet hat that was bought from a Russian soldier the day before the Red Army evacuated Prague in 1991.

We welcome ANS members with long careers in the community to submit their own stories so that the personal history of nuclear power can be capured. For information on submitting your stories, contact nucnews@ans.org.

When I graduated from Scranton University in 1956 with a B.S. in physics, I was in awe of the nuclear era and determined to be part of a nuclear future. Fortunately, I landed a position with Pratt & Whitney Aircraft as part of the Aircraft Nuclear Propulsion program. The position included a one-year assignment as a visiting staff member at Oak Ridge National Laboratory.

NDA funds Plutonium Ceramics Academic Hub with U.K. universities

Wed, Feb 26, 2025, 1:02PMNuclear News
The nuclear fuel reprocessing plant product store at Sellafield. (Photo: NDA)

The United Kingdom’s Nuclear Decommissioning Authority has announced that it will establish a Plutonium Ceramics Academic Hub with the Universities of Manchester and Sheffield. The announcement follows a decision by the U.K. government in January to immobilize the country’s inventory of civil separated plutonium at the Sellafield nuclear site, mitigating the material’s long-term safety and security risks.

Holtec and Hyundai expand SMR-300 fleet plans, starting with Palisades

Tue, Feb 25, 2025, 9:00PMNuclear News
A rendering of Holtec’s dual-unit SMR-300. (Image: Holtec)

Leaders from Holtec International and Hyundai Engineering & Construction gathered at the Palisades site in western Michigan today to announce an “expanded cooperation agreement” to build a 10-GW fleet of Holtec-designed SMR-300s in North America. That fleet’s first builds would be at Palisades, where Holtec is now focused on restarting the site’s shuttered 777-MWe pressurized water reactor by the end of this year. Under the “Mission 2030” plan launched today, Holtec would then build a pair of SMR-300 PWRs at the Palisades site—targeting operation in 2030.

ANS 2025 election is fast approaching

Tue, Feb 25, 2025, 6:00PMANS News

The American Nuclear Society election will open on Tuesday, March 4, 2025. Members can vote for the Society’s next vice president/president-elect and treasurer as well as six board members (four U.S. directors, one non-U.S. director, and one student director). Completed ballots must be submitted by 1:00 p.m. (EDT) on Tuesday, April 15, 2025.

Advanced Nuclear Fuel Cladding: Innovative Materials Enhance Fleet Safety and Performance

Tue, Feb 25, 2025, 3:30PMSponsored ContentGeneral Atomics
General Atomics SiGA Cladding Accident Tolerant Fuel Rods

General Atomics Electromagnetic Systems (GA-EMS) is charting a path to advance SiGA® silicon carbide (SiC) ceramic matrix composite cladding for nuclear fuel rods to provide enhanced safety, improved operational performance, and economics benefits for the existing Light Water Reactor (LWR) fleet as well as future advanced reactor systems.

Pronuclear leader wins German election

Tue, Feb 25, 2025, 1:00PMNuclear News

Merz

The conservative Christian Democratic Union came out on top in Germany’s February 23 election. CDU leader Friedrich Merz achieved a “lackluster win,” as the Associated Press termed it, but his party’s political agenda could mean a revival for nuclear energy in Germany.

The country shut down its final nuclear reactor in 2023, in large part as a reaction to the 2011 accident at Japan’s Fukushima Daiichi nuclear plant. Now many Germans are taking a renewed interest in clean, reliable nuclear power.

First, Merz and the CDU need to form a coalition to secure at least 316 votes in Parliament before he can be formally elected chancellor of Germany, the AP reports. Provisional results shared by Politico show that the CDU carried 28.5 percent of Sunday’s vote, trailed by the Alternative for Germany Party with 20.8 percent, the Social Democratic Party with 16.4 percent, and Alliance 90/the Greens with 11.6 percent.

Candidates for leadership provide statements: ANS Board of Directors

Mon, Feb 24, 2025, 9:00PMANS News

With the annual ANS election right around the corner, American Nuclear Society members will be going to the polls to vote for a vice president/president-elect, treasurer, and members-at-large for the Board of Directors. In January, Nuclear News published statements from candidates for vice president/president-elect and treasurer. This month, we are featuring statements from each nominee for the Board of Directors.

Investment bill would provide funding options for energy projects

Mon, Feb 24, 2025, 6:05PMNuclear News

Coons

Moran

The bipartisan Financing Our Futures Act, which expands certain financing tools to all types of energy resources and infrastructure projects, was reintroduced to the U.S. Senate on February 20 by Sens. Jerry Moran (R., Kan.) and Chris Coons (D., Del.).

Via amendment to the Internal Revenue Code, the legislation would allow advanced nuclear energy projects to form as master limited partnerships (MLPs), a tax structure currently available only to traditional energy projects.

An MLP is a business structure that is taxed as a partnership but the ownership interests of which are traded like corporate stock on a market. Until the Internal Revenue Code is amended, MLPs will continue to be available only to investors in energy portfolios for oil, natural gas, coal extraction, and pipeline projects that derive at least 90 percent of their income from these sources. This change would take effect on January 1, 2026.

RP3C Community of Practice’s fifth anniversary

Mon, Feb 24, 2025, 3:48PMNuclear NewsDaniel Moneghan and Brandon Chisholm

In February, the Community of Practice (CoP) webinar series, hosted by the American Nuclear Society Standards Board’s Risk-informed, Performance-based Principles and Policies Committee (RP3C), celebrated its fifth anniversary. Like so many online events, these CoPs brought people together at a time when interacting with others became challenging in early 2020. Since the kickoff CoP, which highlighted the impact that systems engineering has on the design of NuScale’s small modular reactor, the last Friday of most months has featured a new speaker leading a discussion on the use of risk-informed, performance-based (RIPB) thinking in the nuclear industry. Providing a venue to convene for people within ANS and those who found their way online by another route, CoPs are an opportunity for the community to receive answers to their burning questions about the subject at hand. With 50–100 active online participants most months, the conversation is always lively, and knowledge flows freely.

Fabrication milestone for INL’s MARVEL microreactor

Mon, Feb 24, 2025, 1:01PMNuclear News
From left, INL’s Mark Nefzger, Raymond Clark, and John Jackson and DOE-NE’s and Diana Li pose with a MARVEL component.. (Photo: DOE-NE)

A team from Idaho National Laboratory and the Department of Energy’s Office of Nuclear Energy recently visited Carolina Fabricators Inc. (CFI) in West Columbia, S.C., to launch the fabrication process for the primary coolant system of the MARVEL microreactor. Battelle Energy Alliance, which manages INL, awarded the CFI contract in January.

Colin Judge: Testing structural materials in Idaho’s newest hot cell facility

Fri, Feb 21, 2025, 9:04PMNuclear News
Judge stands outside INL’s new Sample Preparation Laboratory. (Photo: INL)

Idaho National Laboratory’s newest facility—the Sample Preparation Laboratory (SPL)—sits across the road from the Hot Fuel Examination Facility (HFEF), which started operating in 1975. SPL will host the first new hot cells at INL’s Materials and Fuels Complex (MFC) in 50 years, giving INL researchers and partners new flexibility to test the structural properties of irradiated materials fresh from the Advanced Test Reactor (ATR) or from a partner’s facility.

Materials meant to withstand extreme conditions in fission or fusion power plants must be tested under similar conditions and pushed past their breaking points so performance and limitations can be understood and improved. Once irradiated, materials samples can be cut down to size in SPL and packaged for testing in other facilities at INL or other national laboratories, commercial labs, or universities. But they can also be subjected to extreme thermal or corrosive conditions and mechanical testing right in SPL, explains Colin Judge, who, as INL’s division director for nuclear materials performance, oversees SPL and other facilities at the MFC.

SPL won’t go “hot” until January 2026, but Judge spoke with NN staff writer Susan Gallier about its capabilities as his team was moving instruments into the new facility.