advanced nuclear

  • Westinghouse, Radiant Selected for First Fueled Nuclear Microreactor Tests at INL’s DOME Facility

    Nuclear microreactors developed separately by Westinghouse and Radiant are poised to become the first fueled designs tested at the Demonstration of Microreactor Experiments (DOME) facility—the world’s first dedicated microreactor test bed slated to open at Idaho National Laboratory (INL) in early 2026. The first fueled experiment is expected to begin as early as spring 2026. […]

  • Deadline vs. Deployment: Can U.S. Advanced Reactors Meet DOE’s 2026 Criticality Goal?

    In a new pilot program, the U.S. Department of Energy (DOE) issued an ambitious challenge: bring at least three advanced nuclear test reactors to criticality by July 4, 2026. Announced in June, the program sidesteps traditional Nuclear Regulatory Commission (NRC) licensing, seeking instead to authorize full-scale reactors on private sites through DOE’s internal review process. […]

  • DOE Pilot Program Targets Three Nuclear Test Reactors for 2026 Criticality Under Department Authorization

    The U.S. Department of Energy (DOE) has launched a novel pilot program that will allow private developers to build and operate full-scale advanced nuclear test reactors outside of the national laboratory system, without a license from the Nuclear Regulatory Commission (NRC). Through a new authorization model grounded in the Atomic Energy Act and a Trump-era […]

  • DOE Opens Door to Private-Sector Demonstrations at MARVEL Nuclear Microreactor Test Bed

    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), […]

  • Decarbonization Whiplash Prompts a Power Sector Recalibration 

    What happens when a political U-turn suddenly upends years of decarbonization strategy? As the U.S. House of Representatives moves to dismantle key clean energy tax credits, POWER examines how utilities and developers are rethinking timelines, technologies, and financing, while racing to keep the energy transition on track.  On May 22, 2025, the U.S. House of […]

  • Oklo Completes Key Siting Milestone for First Commercial Nuclear Fast Reactor at 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 […]

  • TVA Submits First Portion of Construction Permit Application to NRC for Clinch River BWRX-300 SMR

    The Tennessee Valley Authority (TVA) has submitted the first portion of a construction permit application to the Nuclear Regulatory Commission (NRC) to build a GE Hitachi BWRX-300 small modular reactor (SMR) at its Clinch River Nuclear Site in Oak Ridge, Tennessee. If built, the Clinch River unit—dubbed CRN-1—will serve as a flagship for U.S. commercial […]

  • Dow and X-energy Advance Landmark Nuclear Project in Texas With Construction Permit Filing

    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 […]

  • DOE Reissues $900M Nuclear SMR Opportunity, Scraps Community Criteria to Focus on Technical Merit

    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 […]

  • Oklo Advances Siting, On Track for Aurora Nuclear Fast Reactor Deployment at INL in 2027

    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 […]

  • The SMR Gamble: Betting on Nuclear to Fuel the Data Center Boom

    Data center power demand is accelerating, pushing the grid to its limits and prompting tech giants to bet on next-generation nuclear reactors. But given steep costs, regulatory hurdles, and uncertain

  • AI Boom Reshapes Power Landscape as Data Centers Drive Historic Demand Growth

    The power industry was once considered slow-moving and perhaps even boring. That is no longer the case as technology has expanded and power demand projections skyrocket. New reports released by analysts at

  • Last Energy Secures Texas Site for 30-Microreactor Deployment to Power Data Centers

    Advanced nuclear plant developer Last Energy will build 30 microreactors at a site in Haskell County, Texas, a measure aimed at meeting the growing power demands of data centers across the state. The development comes as Texas faces increasing pressure to ramp up its power supplies to address an expansion of energy-intensive industries. The Washington […]

  • The POWER Interview: Terrestrial Energy’s Push to Commercialize Molten Salt Reactors for Industrial and Grid Applications

    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 […]

  • Texas A&M Launches SMR ‘Energy Proving Ground’ with Selection of Four Nuclear Firms

    Texas A&M University System has unveiled four nuclear developers with which it plans to explore building and operating small modular reactor plants (SMRs) at its Texas A&M-RELLIS campus near College Station. The project—dubbed “The Energy Proving Ground”—is part of a state-supported initiative to deploy operational advanced reactors in Texas within the next five to seven […]

  • Another Big Data Center Win for Nuclear: Oklo and Switch Sign Historic 12 GW Deal

    Advanced nuclear firm Oklo has partnered with Switch, a Las Vegas-based data center designer, builder, and operator, to deploy 12 GW of Aurora powerhouses through 2044 in a  historic deal hailed as “one of the largest corporate clean power agreements ever signed.” The two companies announced a groundbreaking Master Power Agreement on Dec. 18 to […]

  • Can Nuclear’s Big Recent Wins Propel a True Global Revival?

    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

  • How Nuclear O&M Is Evolving for the Emerging Power Paradigm

    In its quest to drive down costs while boosting safety, the nuclear industry has ramped up efforts to streamline operations and maintenance (O&M). New approaches target efficiency and resilience. If there

  • DOE Finalizes $1.52B Palisades Loan for First-Ever U.S. Nuclear Plant Recommissioning

    Marking the first-ever revival of a nuclear power plant in the U.S., the Department of Energy (DOE) on Sept. 30 finalized a $1.52 billion loan guarantee to Holtec International to support the recommissioning of the 800-MW Palisades nuclear plant in Covert Township, Michigan. Separately, the U.S. Department of Agriculture (USDA) awarded electric cooperative Wolverine Power […]

  • Idaho Falls Power Negotiating PPA for MARVEL-Inspired Aalo-1 Nuclear Fleet

    Municipal power utility Idaho Falls Power (IFP) has announced it is negotiating a power purchase agreement (PPA) with Aalo Atomics, a 2022-founded nuclear engineering firm inspired by Idaho National Laboratory (INL’s) MARVEL microreactor. Aalo on Sept. 16 confirmed it signed a memorandum of understanding (MOU) with the utility to explore the deployment of a fleet […]

  • Nuclear Milestone: China’s HTR-PM Demonstrates Inherent Safety

    Chinese researchers have confirmed the first of two units of the 200-MWe high-temperature modular pebble bed (HTR-PM) demonstration project at the Shidao Bay site in Rongcheng, Shandong Province, successfully

  • Another Fourth-Generation Nuclear Reactor Begins Construction in the U.S.

    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 […]

  • Nuclear Cogeneration Gains Momentum in Wyoming with New Microreactor Partnership

    Engineering giant Burns & McDonnell has entered into an agreement with nuclear technology specialist BWXT Technologies to advance the design and development of the BWXT Advanced Nuclear Reactor (BANR). The microreactor project is an integral part of a contract with the Wyoming Energy Authority (WEA), which is assessing the viability of deploying small-scale nuclear reactors […]

  • U.S. Seeks Bids for Domestic Low-Enriched Uranium to Counter Russian Influence

    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 […]

  • Kemmerer 1 Breaks Ground: A Look at TerraPower’s Natrium Fast Reactor Nuclear Power Plant

    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. […]

  • White House Launches Initiatives to Bolster New Nuclear Deployments

    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 […]

  • EPRI: Industry Has Marked Significant Progress on its Advanced Nuclear Reactor Roadmap 

    A year after EPRI and the Nuclear Energy Institute (NEI) unveiled the first phase of their Advanced Reactor Roadmap, the nuclear industry and its stakeholders have rallied to make significant strides in aligning around the roadmap’s strategic priorities.   Over the past year, efforts have been particularly focused on increasing engagement, promoting regulatory efficiency, and […]

  • Congress Approves Ban on Imports of Enriched Uranium From Russia

    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 […]

  • Nuclear Supply Chain for the BWRX-300 SMR Takes Shape

    GE Hitachi Nuclear Energy (GEH) is forming a group of qualified supply chain companies to help ensure the deployment of its BWRX-300 small nuclear modular reactor (SMR). The move comes as power companies vie for components amidst a supply chain strain that has led some sectors to delay critical infrastructure projects and ramped up competition […]

  • NRC Advances Rule to Streamline Advanced Nuclear Reviews

    The Nuclear Regulatory Commission (NRC) has voted to codify proposed changes to streamline a key environmental review process for advanced nuclear reactors. Nuclear advocates lauded the measure as one of the regulator’s most important actions in 2024.    The NRC on April 17 approved its staff’s recommendation to publish a proposed rule that would amend […]