nuclear energy

Project Pele, the Department of War’s (DOW’s) first-of-its-kind transportable nuclear microreactor prototype, has received its tri-structural isotropic (TRISO) particle fuel at Idaho National Laboratory (INL), where formal system testing is slated to begin as early as 2027. The fuel—manufactured by BWXT Technologies (BWXT) and shipped from its Lynchburg, Virginia, facility—represents the first TRISO microreactor fuel […]

Constellation Energy is evaluating specific regulatory pathways to enable potential deployment of advanced nuclear reactors at its Clinton Clean Energy Center. The measure could mark the first concrete steps toward next-generation nuclear development at the Illinois site now that the competitive generator has finalized a landmark 20-year agreement with Meta. Constellation disclosed on Tuesday that […]

The Nuclear Regulatory Commission (NRC) has approved NuScale Power’s uprated 77-MWe (250-MWth) small modular reactor (SMR) design, clearing the nuclear technology firm’s second standard design approval (SDA). The development marks a boost for ENTRA1 Energy, NuScale’s exclusive commercialization partner, which is in “various stages of discussions with potential customers” in the U.S. and abroad, the […]

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 […]

U.S. Secretary of Energy Chris Wright on May 7 told lawmakers that the Department of Energy (DOE) is entering what he called “a golden era of American energy dominance,” outlining the Trump administration’s strategy to prioritize fossil fuels, nuclear power, grid modernization, and permitting reform, while positioning the U.S. to lead in artificial intelligence (AI) […]

The Canadian Nuclear Safety Commission (CNSC) has given Ontario Power Generation (OPG) the green light to begin building a 300-MW GE-Hitachi BWRX-300 small modular reactor (SMR) at the Darlington New Nuclear Project (DNNP) site in Clarington, Ontario. The historic approval marks the first time Canada has approved the construction of a grid-scale SMR. The federal […]

The U.S. Department of Energy (DOE) has reissued a $900 million funding opportunity to accelerate deployment of Generation III+ small modular reactors (SMRs), removing community benefit requirements and shifting the focus solely to technical merit—a move that reflects the Trump administration’s revised energy and industrial priorities. The funding opportunity announcement (FOA)—officially designated DE-FOA-0003485—was first issued […]

Advanced nuclear firm Oklo has signed an Interface Agreement (IAG) with Idaho National Laboratory (INL), marking a key regulatory milestone in the siting and environmental review of its first commercial Aurora powerhouse—a compact passive fast-spectrum reactor—targeted for deployment at INL by late 2027. The IAG with INL—a U.S. Department of Energy (DOE)-owned and funded national […]

Nuclear technology firm Terrestrial Energy has quietly been making progress on its Integral Molten Salt Reactor (IMSR) technology, laying the crucial groundwork for a commercial fleet by the early 2030s. Terrestrial Energy Simon Irish answered key questions about the company’s deployment timeline, market positioning, and competitive edge, offering an inside look at the company’s strategy […]

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 […]

Facing a projected surge in power demand across the country, NextEra Energy is taking steps to potentially restart its shuttered 615-MW Duane Arnold nuclear plant in Iowa as early as 2028, while also signing a new partnership with GE Vernova to develop natural gas generation projects that could be paired with renewable energy and storage. […]

South Carolina’s largest power provider Santee Cooper has issued a request for proposals (RFP) aimed at finding a buyer—or visionary—to take on what remains of the Virgil C. Summer Nuclear Station expansion. The two partly constructed AP1000 projects, abandoned in 2017 after a cascade of delays and cost overruns, could now offer a second chance […]

Competitive generation giant Constellation has agreed to acquire Calpine Corp. in a $16.4 billion deal that is set to create the largest producer of clean and reliable energy in the U.S. with an asset portfolio of more than 60 GW. The definitive agreement, announced on Jan. 10, includes a cash and stock transaction valued at […]

The U.S. Department of Energy (DOE) has named six companies that will compete for 10-year contracts totaling $2.7 billion for the supply of low-enriched uranium (LEU) to support the nation’s nuclear power fleet. The initiative seeks to reduce reliance on Russian imports and foster strong commercial sector investment to build out a resilient fuel supply […]

DeepGEO, a multinational spent nuclear fuel (SNF) repository developer, and Copenhagen Atomics, a Danish advanced thorium reactor innovator, have signed a first-of-its-kind collaboration agreement that seeks to revolutionize the nuclear fuel cycle by aligning emerging waste management solutions with next-generation reactor technologies. The landmark collaboration marks an industry-first effort to unite a reactor designer and […]

While the past year has marked stunning triumphs for nuclear energy, experts caution that high costs, regulatory bottlenecks, and the need for market alignment remain major hurdles on the path to a true

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)

Vistra is pursuing deals with data center developers in Texas and the PJM region to address the industry’s energy needs at multiple sites, executives revealed during the company’s third-quarter earnings call on Nov. 7. The Texas-based competitive generator has entered discussions with some of the largest, unnamed data center operators to increase output at its […]

Ultra Safe Nuclear Corp. (USNC), a developer of much-watched microreactor technology and advanced nuclear fuel, has filed for Chapter 11 bankruptcy. The move signals a critical restructuring phase through which the company will seek to secure new ownership while ensuring uninterrupted operations. The company’s Oct. 29 filings at the U.S. Bankruptcy Court for the District […]

In yet another major set of deals spearheaded by a tech giant in support of nuclear power development, Amazon will back the deployment of 5 GW of new X-energy small modular reactor (SMR) projects by 2039, starting with an initial four-unit 320-MWe Xe-100 plant with regional utility Energy Northwest in central Washington. Separately, Amazon signed […]

The Nuclear Regulatory Commission (NRC) has granted Abilene Christian University (ACU) a construction permit to build its Molten Salt Research Reactor (MSRR) facility on the university’s campus in Texas. The approval is the regulatory body’s first for a liquid-fueled advanced reactor, the first for a research reactor in decades, and its second for any advanced […]

BWXT Technologies has won a contract from the National Nuclear Security Administration (NNSA) to evaluate options for deploying a centrifuge pilot plant that could establish a new domestic uranium enrichment capability suitable for national security purposes. The Lynchburg, Virginia–based company on Aug. 26 said the NNSA contract would kick off a yearlong engineering study as […]

India’s Atomic Energy Regulatory Board (AERB) will allow the country’s flagship 500-MWe/1,250-MWth prototype fast-breeder reactor (PFBR) in Kalpakkam, Tamil Nadu, to approach criticality. The nuclear energy safety watchdog on July 30 granted state-owned Bharatiya Nabhikiya Vidyut Nigam Ltd. (BHAVINI) permission to embark on the final stage of core loading following assessments, extensive safety reviews, and plant […]

Construction of Hermes, Kairos Power’s 35-MWth iterative non-power demonstration molten salt nuclear reactor, has officially kicked off in Oak Ridge, Tennessee. The effort marks another major step for the burgeoning advanced nuclear industry, which celebrated the groundbreaking of TerraPower’s Kemmerer 1, a pioneering sodium-cooled fast reactor demonstration, in June. Site work and excavation for the Hermes […]

The U.S. Senate has passed the Accelerating Deployment of Versatile, Advanced Nuclear for Clean Energy (ADVANCE) Act, sweeping legislation that seeks to promote U.S. nuclear leadership, accelerate advanced nuclear technology development while preserving existing nuclear generation, bolster national security measures, and enhance regulatory efficiency to support new nuclear deployment. The Senate passed the bill on […]

(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, […]

Molten salt reactors (MSRs) represent a fascinating intersection of nuclear history and modern innovation. The concept of using molten salts as both a coolant and fuel carrier dates back to the 1950s, with the pioneering work of Alvin Weinberg and his team at Oak Ridge National Laboratory (ORNL). In 1965, ORNL successfully operated the Molten […]

Nuclear energy is surging back in a big way. Case in point: Energy Secretary Jennifer Granholm’s comments last week on plans to restart the Palisades nuclear power plant in Michigan. To bolster the effort, she announced a $1.5 billion conditional loan guarantee to cover work required to restart the plant after a two-year shutdown. And […]

Ontario Power Generation (OPG) will refurbish four units at the Pickering Nuclear Generating Station, Canada’s first major commercial generation plant— marking a major turnaround for the 3.1-GW plant slated to close by 2025. Officials from Ontario’s government and OPG on Jan. 30 announced plans to refurbish Units 5–8 at the massive power plant east of […]

A roadmap released by the UK government on Jan. 11 aimed at quadrupling the country’s nuclear power capacity by 2050 sets out a series of goals and actions that could enable the delivery of 3 GW to 7 GW every five years from 2030 to 2044. In its 78-page Civil Nuclear Roadmap, the UK lays […]