HALEU

Advanced nuclear technology firm Oklo has broken ground on its inaugural 75-MWe sodium-cooled fast reactor at an Idaho National Laboratory (INL) site. The project—one of three awarded to the company under the Department of Energy’s (DOE’s) newly established Reactor Pilot Program—is targeting operations between late 2027 and early 2028, though that timeline is contingent on […]

Over nearly five decades, nuclear waste has been treated as an intractable problem, locked in dry casks, relegated to repositories that are slow to materialize, and generally viewed as a costly liability

The U.S. Department of Energy (DOE) has unveiled three more companies to which it will allocate high-assay low-enriched uranium (HALEU) under conditional commitments in a bid to support advanced reactor development and domestic fuel production. The Aug. 26 announcement marks the second round of allocations under DOE’s HALEU Availability Program but it links to two […]

Advanced nuclear firm Aalo Atomics has secured new capital and regulatory backing to complete construction of its 10-MWe Aalo-X reactor at Idaho National Laboratory (INL). The project, recently selected under the Department of Energy’s (DOE’s) new Nuclear Reactor Pilot Program, will demonstrate cold criticality by July 2026 in an unusually aggressive federal milestone for advanced […]

Nuclear power has emerged as a linchpin for U.S. goals for energy and national security. The nuclear sector has a long history of bipartisan support in the federal government.

Centrus Energy has produced and delivered 900 kilograms (kg) of High-Assay, Low-Enriched Uranium (HALEU) to the U.S. Department of Energy (DOE), completing Phase II of its pioneering enrichment contract with the agency. The shipment marks the first significant domestic production of HALEU—a specialized fuel required for many advanced reactors now under development—and stands as a […]

The U.S. Department of Energy (DOE) is inviting private-sector nuclear developers to submit proposals for experiments and demonstrations using its Microreactor Application Research Validation and Evaluation (MARVEL) project. The first-of-its-kind operational test bed for advanced microreactor technologies is now 90% through its final design phase, with key components already under fabrication. Idaho National Laboratory (INL), […]

Advanced nuclear developer Oklo announced it has successfully completed borehole drilling for site characterization work at its Idaho National Laboratory (INL) site, marking a pivotal milestone as the company progresses toward constructing its first commercial Aurora Powerhouse—a liquid sodium–cooled fast reactor designed for scalable deployment. The standard nuclear project development step, involved “drilling of several […]

A company working to mass produce portable nuclear microreactors said its has accepted its selection by the U.S. Dept. of Energy (DOE) to receive high-assay low-enriched uranium (HALEU) fuel for the first test of Kaleidos, the group’s reactor design.

In a critical step aimed at bolstering advanced reactor development and their domestic nuclear fuel readiness, the U.S. Department of Energy (DOE) has issued its first round of allocations for high-assay low-enriched uranium (HALEU) under its HALEU Availability Program to five American nuclear developers. On April 9, the DOE said it made conditional commitments to […]

Advanced reactor developer X-energy and global materials science company Dow have submitted a construction permit application (CPA) to the U.S. Nuclear Regulatory Commission (NRC) for a first-of-its-kind small modular reactor (SMR) project at Dow’s Union Carbide Corp. (UCC) Seadrift Operations in Calhoun County, Texas. The filing marks a major step forward for the much-watched commercial-scale […]

Two much-watched advanced nuclear fuel technology companies—Oklo and Lightbridge—will consider co-locating their commercial metallic fuel fabrication facilities to explore synergies and potentially accelerate innovation across the nuclear supply chain. Under a Jan. 28–announced memorandum of understanding (MOU), the companies plan to conduct a feasibility study that will explore co-locating a Lightbridge Commercial-scale Fuel Fabrication Facility […]

As global nuclear ambitions surge, the industry’s fuel supply chain faces critical gaps. Can advanced fuels like HALEU (high-assay low-enriched uranium) and TRISO (TRi-structural ISOtropic particle fuel)

The U.S. Department of Energy (DOE) has awarded contracts with a total potential value of $8 million to four nuclear fuel companies to further U.S. enrichment capabilities for high-assay, low-enriched uranium (HALEU), a critical piece of the next-generation nuclear supply chain. The selected companies include Centrus Energy’s American Centrifuge Operating, URENCO’s Louisiana Energy Services, Orano […]

The U.S. Dept. of Energy (DOE) announced six companies have successfully bid to provide deconversion services for high-assay low-enriched uranium (HALEU) fuel to support advanced nuclear reactors. The DOE on October 8 announced the complete list of successful bidders. They include Nuclear Fuel Services, part of BWX Technologies (BWXT); American Centrifuge Operating, part of Centrus […]

In a strategic move to jumpstart domestic uranium enrichment capacity in the U.S., the Department of Energy (DOE) has launched a request for proposals (RFP) to buy low-enriched uranium (LEU) from domestic suppliers. The RFP will seek LEU through procurement contracts for indefinite quantity and indefinite delivery (IDIQ). It could result in awards of “two […]

Bill Gates’ nuclear innovation firm TerraPower has broken ground on the non-nuclear portion of Kemmerer Unit 1, a 345-MW Natrium sodium-cooled fast reactor (SFR) power plant. The groundbreaking on June 10 makes the federal demonstration project the first advanced nuclear reactor project to move from design into construction in the Western Hemisphere, the company noted. […]

(Updated—June 1, 2024): Framatome and TerraPower will team to design and develop a pilot line for high-assay low-enriched uranium (HALEU) metallization, a crucial deconversion process, at Framatome’s nuclear fuel manufacturing facility in Richland, Washington. The pilot line, which will convert uranium oxide into HALEU metal, is scheduled to be ready for testing in early 2025, […]

The White House has unveiled a suite of new measures aimed at slashing risks associated with new nuclear reactor development and construction, underscoring its policy push to champion nuclear. At a May 29 White House summit that showcased recent policy developments and industry investments, the Biden administration announced the formation of a nuclear working group […]

British officials said the UK government will invest about £200 million (more than $251 million) for a project to build Europe’s first production facility for high-assay, low-enriched uranium (HALEU). Officials have said the fuel will be needed to supply the coming generation of nuclear power, including advanced nuclear reactors. Britain has said it wants to […]

The U.S. Senate on April 30 passed—by unanimous consent—a bill to ban imports of unirradiated low-enriched uranium (LEU) produced in Russia. The bill now heads to the president’s desk for signature into law. The Senate passed the Prohibiting Russian Uranium Imports Act (H.R. 1042), which the House of Representatives passed (also by unanimous consent) by […]

The Nuclear Regulatory Commission (NRC) has granted Global Nuclear Fuel—Americas (GNF) the regulatory body’s first-ever authorization to produce nuclear fuel with uranium-235 (U-235) enrichments up to 8% for commercial power generation. GNF, GE Vernova’s nuclear fuel arm, on Feb. 15 said the NRC approved a license amendment that will allow its nuclear fuel fabrication facility […]

The U.S. Department of Energy (DOE) has issued a request for proposals (RFP) for uranium enrichment and storage services as part of a measure aimed at stimulating a domestic supply chain for high-assay, low-enriched uranium (HALEU). The action follows an RFP released in November 2023 for services to deconvert enriched uranium into metal, oxide, and […]

The UK may be poised to become the first European country to launch domestic production of high-assay, low-enriched uranium (HALEU). New funding announced by the country’s government this week signifies global momentum to establish a reliable supply of the specialist fuel that will be required for advanced nuclear reactors. The UK’s Department for Energy Security […]

Idaho National Laboratory (INL) has fabricated roughly two dozen commercial-grade fuel pellets of high-assay low-enriched uranium (HALEU) uranium dioxide (UO2), the Department of Energy (DOE) revealed on Nov. 20. The milestone demonstrates the national laboratory’s “unique ability” to provide customized nuclear fuel for industry and government partners, the DOE said. INL said researchers at the […]

The Department of Defense (DOD) has moved to develop a second transportable microreactor under Project Pele, granting X-energy a contract option to advance the design of its mobile advanced nuclear microreactor prototype. The one-year contract option will continue to provide funding for X-energy’s nuclear technology development, allowing the firm to develop its design to meet […]

The U.S. Air Force’s first nuclear microreactor planned for Eielson Air Force Base in Alaska under a federal nuclear microreactor pilot program will be an Oklo liquid metal-cooled fast reactor. The Defense of Logistics Agency (DLA), acting on behalf of the Department of Air Force (DAF), on Aug. 31 issued a Notice of Intent to Award […]

A number of companies with ties to the power industry revealed new projects and other interesting developments this week. The following are some the more noteworthy announcements that POWER has been monitoring. BWXT to Manufacture HALEU Feedstock for Advanced Reactors BWX Technologies Inc. announced on Aug. 30 that it had entered into a contract to […]

Centrus, a firm poised to demonstrate high-assay, low-enriched uranium (HALEU) production, will partner with microreactor technology developer Oklo on several pioneering steps to build out the HALEU front-end supply chain, including pivotal commercial deconversion capabilities. The landmark collaboration could also make Centrus one of Oklo’s first commercial power off-takers for two reactors planned in Southern […]

A number of companies in the power industry revealed new projects and other interesting developments this week. The following are some the more noteworthy announcements that POWER has been monitoring. BWXT to Provide Nuclear Reactor Engine and Fuel for DARPA Space Project BWX Technologies Inc. (BWXT) announced on July 26 that its reactor and fuel […]