Since at least June of last year—when TerraPower and PacifiCorp announced plans to site the Natrium reactor demonstration project at one of Wyoming’s retiring coal plants—the concept of repurposing those plants to host nuclear reactors has been a popular topic of conversation among the energy cognoscenti.

General Atomics Electromagnetic Systems (GA-EMS) has completed the baseline design of a reactor and engine for a nuclear thermal propulsion (NTP) rocket and has successfully tested key reactor components under contract from the Defense Advanced Research Projects Agency (DARPA), the company announced on November 7. The work was performed under a Track A, Phase 1 contract for the Demonstration Rocket for Agile Cislunar Operations (DRACO) program; Phases 2 and 3 of DRACO could culminate in a demonstration of the nuclear-propelled spacecraft in cislunar space (the region between the Earth and the Moon) during fiscal year 2026.

Here is a recap of industry happenings over the past month:

ADVANCED REACTOR MARKETPLACE

U.S. and Canadian regulators formalize relationship on advanced reactors

The U.S. Nuclear Regulatory Commission and the Canadian Nuclear Safety Commission (CNSC) have reached a charter agreement that formally establishes a collaborative relationship on small modular reactors and other advanced reactor technologies. The two agencies have been cooperating on these technologies for several years, but the formal agreement is designed to better harmonize the American and Canadian regulatory processes to achieve safe, successful deployment. The charter specifically focuses on regulatory and safety issues regarding the licensing review of GE--Hitachi’s BWRX--300 SMRs, which Ontario Power Generation (OPG) has selected for deployment at its Darlington site and which the Tennessee Valley Authority (TVA) plans to build at Clinch River. OPG and TVA announced plans earlier this year to work together on the development and deployment these SMRs.

An agreement between the United States and Mexico on civil nuclear cooperation has entered into force, the U.S. State Department announced last week. While first proposed in 2016 and finalized and signed in 2018, the pact only received approval from the Mexican Senate this March.

Taow

Rachel Taow, who is the process modernization lead for the Gateway for Accelerated Innovation in Nuclear (GAIN) at Idaho National Laboratory, received an award in the category of law and finance during the 11th Annual C3E Women in Clean Energy Symposium and Awards, held on November 2 in Washington, D.C. Taow has 16 years of government contracting experience—the last six spent with GAIN—and was nominated for the award by GAIN director Christine King.

The Clean Energy Education & Empowerment (C3E) Initiative was created in 2010 to close the gender gap in clean energy fields, and since 2012, outstanding mid-career women in clean energy have been recognized at the annual C3E symposium. Nine women received awards this year, including—for the first time in the 11 years of the C3E award program—a woman working to advance nuclear energy.

Ontario’s advanced nuclear technology firm Terrestrial Energy yesterday announced the signing of a letter of intent (LOI) with TerraPraxis, a U.K.-based nonprofit devoted to climate solutions, to cooperate on the latter’s Repowering Coal initiative—a program aimed at integrating clean heat sources with existing infrastructure at coal-fired power plants in North America and elsewhere.

Seeds from the joint laboratories of the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations (FAO) are onboard a Cygnus spacecraft launched from NASA’s Wallops Flight Facility in Virginia early on November 7. Now orbiting the Earth en route to the International Space Station, the seeds are part of a commercial resupply mission with a payload that includes resources to support more than 250 scientific investigations.

Marie Curie was born in Warsaw in 1867 on this day, 155 years ago. Exactly 11 years later, in 1878, Lise Meitner was born in Vienna. November 7 is also the date when, in 1911, the Swedish Royal Academy of Science decided to award Curie a second Nobel Prize for her 1898 discovery of the elements radium and polonium (coincidentally, her 44th birthday). Curie, who at age 36 had shared the 1903 Nobel Prize in Physics with her husband, Pierre Curie, and Henri Becquerel, later accepted the chemistry prize on December 10, 1911. She remains to this day the only person—man or woman—to receive two Nobel Prizes in two different fields of science. (Linus Pauling was also awarded Nobel Prizes in two categories: chemistry and peace.) On this unofficial day of women in nuclear science, let’s take a moment to acknowledge the fundamental discoveries of both Curie and Meitner.

Kathryn Huff

Deploying a fleet of advanced reactors in the 2030s means deploying high-assay low- enriched uranium (HALEU) infrastructure now.

The future fleet will need more than 40 metric tons of HALEU by 2030, according to Department of Energy projections. Getting to the 5–20 percent fissile uranium-235 content of HALEU involves either enriching natural or low-enriched uranium (LEU) or downblending high-enriched uranium (HEU).

Because downblending the limited stocks of HEU held at the DOE’s Idaho National Laboratory and Savannah River Site is a short-term option at best, the Energy Act of 2020 authorized a HALEU Availability Program to build a sustainable enrichment infrastructure by the time advanced reactors are ready for commercial deployment.

Comments on a request for information reached the DOE in February 2022, just before Russia’s invasion of Ukraine amplified global energy security concerns. While the war in Ukraine didn’t change the DOE’s plans, it “accelerated everything,” said Kathryn Huff, who leads the DOE’s Office of Nuclear Energy (DOE-NE) as assistant secretary. “Our attention is now laser-focused on this issue in a way that it wouldn’t have been in the past.”

New Orleans-based Entergy Corporation yesterday announced changes to its senior leadership, including the selection of Kimberly Cook-Nelson as executive vice president and chief nuclear officer, replacing Chris Bakken.

Cook-Nelson, Entergy’s first female CNO, will be based in Jackson, Miss., the company’s nuclear operations headquarters. She joined Entergy in 1996 as a design engineer at the Waterford nuclear plant in Killona, La., rising to general manager of plant operations in 2011. Most recently, she held the position of chief operating officer, nuclear operations. (In addition to the Waterford facility, Entergy owns and operates Arkansas Nuclear One in Russellville, Ark., Grand Gulf in Port Gibson, Miss., and River Bend in St. Francisville, La.)

Constellation Energy, owner and operator of the nation’s largest reactor fleet, will ask the Nuclear Regulatory Commission to extend the operating licenses of the Clinton and Dresden reactors by 20 years, the company announced Monday, adding that it expects to file license applications with the agency in 2024.

Pacific Gas and Electric Company filed a letter with the Nuclear Regulatory Commission yesterday, officially requesting that the agency resume its review of the utility’s license renewal application for Diablo Canyon Units 1 and 2.

An international collaboration between Bruce Power, Isogen (a Kinectrics and Framatome company), and ITM Isotope Technologies Munich SE (ITM) announced they have begun commercial production of lutetium-177 using Unit 7 of the Bruce nuclear power plant in Kincardine, Ontario. According to the companies, this marks the first time a commercial power reactor has been used to commercially produce short-lived medical radioisotopes.

The United States and Japan have announced Winning an Edge Through Cooperation in Advanced Nuclear (WECAN)—a new agreement aimed at supporting the deployment of small modular reactors and other advanced reactor technologies in partner countries.

Morawiecki

Poland has chosen Westinghouse Electric Company to supply the reactors for its initial nuclear power plant, as the Central European nation seeks to lessen its dependence on domestic coal and Russian imports for its energy supply. On Friday, Polish prime minister Mateusz Morawiecki announced the decision on Twitter, confirming last week’s reports that Westinghouse’s AP1000 technology was the government’s likely choice.

“A strong [Polish-American] alliance guarantees the success of our joint initiatives,” Morawiecki tweeted. “After talks with [vice president Kamala Harris and energy secretary Jennifer Granholm], we confirm our nuclear energy project will use the reliable, safe technology of [Westinghouse].”

Competing with the American firm for the job were Électricité de France and Korea Hydro & Nuclear Power. In October 2021, EDF submitted an offer to build four to six EPRs in Poland, while KHNP offered in April of this year to construct six APR1400 units.

NuScale Power and Prodigy Clean Energy announced on October 26 that they have developed a conceptual design for a transportable, marine-based small modular reactor. The companies plan to present the design to utilities, regulators, and shipyard manufacturers. Prodigy, a Canadian company “specializing in the development of transportable nuclear power plants,” and NuScale signed a memorandum of understanding in 2018 agreeing to pursue the development of an SMR marine facility.

Unit 3 at Slovakia’s Mochovce nuclear power plant achieved initial criticality on October 22, plant owner Slovenské Elektrárne has announced.

The utility started the reactor’s first fuel load September 9—after receiving in August a final authorization for commissioning from the Slovak Nuclear Regulatory Authority—and completed the process three days later.

The Department of Energy announced $150 million in Inflation Reduction Act funding on October 25 for infrastructure improvements at Idaho National Laboratory. According to the DOE, the funding will support nearly a dozen projects at INL’s Advanced Test Reactor (ATR) and Materials Fuels Complex (MFC), both of which have operated for more than 50 years. The investments in existing infrastructure assets mean support for nuclear energy research and development, including fuel testing, bolstering the near-term supply of high-assay low-enriched uranium (HALEU), and reactor demonstrations.

Framatome has completed the second 18-month cycle of its GAIA Protect Enhanced Accident Tolerant Fuel (EATF) technology at Vogtle’s Unit 2 in Waynesboro, Ga. Inspections afterward revealed that the full-length chromium-coated fuel rods maintained their original characteristics, while the chromia-enhanced pellets operated as designed during 36 months of reactor operation.

Holtec International and Hyundai Engineering & Construction (a Hyundai Motor Group subsidiary) have signed an accord to accelerate the completion of Holtec’s SMR-160 small modular reactor development program, as well as to collaborate on diverse clean energy technologies.