Advanced Nuclear & SMRs
Coverage of new reactor development, small modular reactors, and next-generation nuclear technologies pursuing NRC licensing or DOE demonstration support.
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Reactor Licensing & Regulation
AtkinsRéalis begins licensing process with NRC for CANDU reactors
Montreal, Canada-based AtkinsRéalis submitted a notice of intent to the Nuclear Regulatory Commission Wednesday, starting the licensing process for the Canada Deuterium Uranium (CANDU) reactor in the United States. This submission initiates the formal pre-application engagement with NRC and is part of AtkinsRéalis’ strategy to expand into the U.S. market with large-scale reactor technology that […]
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Advanced Nuclear & SMRs
Fusion supply chain investment is up, but hurdles still ahead
Fusion supply chain spending has increased in 2025, but a large majority of suppliers say investment is hard to come by, the Fusion Industry Association (FIA) reported. In FIA’s Fusion Industry Supply Chain 2026 report, published Tuesday, supply chain spending in the fusion industry increased by 24% to a total of $538 million in 2025. […]
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Advanced Nuclear & SMRs
Elementl Power looks to site BWRX-300 SMRs in Ohio
Startup nuclear project developer Elementl Power is pursuing plans to build a 1,500-megawatt nuclear plant using GE Vernova Hitachi’s BWRX-300 reactors in southeast Ohio. Construction on the first unit is expected to begin by 2030, subject to a final investment decision and regulatory approval, Elementl Power said in its June 18 press release, and hope […]
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Advanced Nuclear & SMRs
Valar Atomics advanced reactor second to reach criticality under DOE program
Another non-light reactor has reached criticality under the Department of Energy’s reactor pilot program, as California-based Valar Atomics achieved the milestone on June 18. Valar Atomics conducted its zero-power criticality testing at Utah San Rafael Energy Lab in Emery County, Utah, marking the first reactor to hit this feat outside of a national laboratory, according […]
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National Laboratories
DOE announces third round of awardees under GAIN program for fiscal 2026
The Department of Energy has revealed its third round of selections for its Gateway for Accelerated Innovation in Nuclear’s (GAIN) nuclear energy voucher program in fiscal 2026. According to DOE GAIN’s Wednesday press release, the recipients are: Aalo Atomics, based in Austin, Texas. OrganiCore Nuclear, based in New York, N.Y. Raven-Flint Nuclear Corp., based in […]
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Reactor Licensing & Regulation
AtkinsRéalis begins licensing process with NRC for CANDU reactors
Montreal, Canada-based AtkinsRéalis submitted a notice of intent to the Nuclear Regulatory Commission Wednesday, starting the licensing process for the Canada Deuterium Uranium (CANDU) reactor in the United States. This submission initiates the formal pre-application engagement with NRC and is part of AtkinsRéalis’ strategy to expand into the U.S. market with large-scale reactor technology that […]
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Advanced Nuclear & SMRs
Fusion supply chain investment is up, but hurdles still ahead
Fusion supply chain spending has increased in 2025, but a large majority of suppliers cite a lack of long-term visibility of fusion needs, making investment hard to come by, the Fusion Industry Association (FIA) reported. In FIA’s Fusion Industry Supply Chain 2026 report, published Tuesday, supply chain spending in the fusion industry increased by 24% […]
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Advanced Nuclear & SMRs
Elementl Power looks to site BWRX-300 SMRs in Ohio
Startup nuclear project developer Elementl Power is pursuing plans to build a 1,500-megawatt nuclear plant using GE Vernova Hitachi’s BWRX-300 reactors in southeast Ohio. Construction on the first unit is expected to begin by 2030, subject to a final investment decision and regulatory approval, Elementl Power said in its June 18 press release, and hope […]
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Advanced Nuclear & SMRs
Valar Atomics becomes second company to have advanced unit reach criticality under DOE program
Another non-light reactor has reached criticality under the Department of Energy’s reactor pilot program, as California-based Valar Atomics achieved the milestone on June 18. Valar Atomics conducted its zero-power criticality testing at Utah San Rafael Energy Lab in Emery County, Utah, marking the first reactor to hit this feat outside of a national laboratory, according […]
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Advanced Nuclear & SMRs
Deep Fission becomes a public company
Berkeley, Calif.-based Deep Fission last week became a publicly listed company on the NASDAQ Global Select Market, the company said in a press release. The underground small modular reactor (SMR) developer will trade under the ticker symbol of FISN. Deep Fission said June 17 that the $16 per share pricing of its public offering should […]
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Uranium Enrichment & Fuel Cycle
Centrus to provide nuclear fuel for Oklo’s reactors under letter of intent
Centrus Energy and Oklo signed a letter of intent Thursday that would have Centrus supply high-assay low-enriched uranium (HALEU) to fuel up to five of Oklo’s Aurora powerhouse reactors. According to Centrus’ press release, the company would provide HALEU from its American Centrifuge Plant in Pike County, Ohio to Oklo’s planned 1,200-megawatt power campus near […]
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International
Round Up: TerraPower advances UK reactor work; Estonia plans first nuclear laws; NRC to review radioisotope application; Deep Isolation hires technology manager
TerraPower has begun the generic design assessment review process in the United Kingdom and created a U.K.-based subsidiary this week. The Bellevue, Wash.-based nuclear company submitted its generic design assessment application for its Natrium reactor in October 2025. The U.K. government’s Department for Energy Security and Net Zero accepted TerraPower’s application for review in February. […]
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Advanced Nuclear & SMRs
Sweden selects Rolls-Royce SMR for nuclear project
United Kingdom-based Rolls-Royce SMR has been selected by Swedish nuclear company Videberg Kraft to deploy three small modular reactors (SMRs) on the Värö peninsula on Sweden’s west coast. Videberg Kraft’s project looks to build Sweden’s first nuclear power plant in over 40 years and to add 1,500 megawatts of low-carbon baseload power, according to Rolls-Royce […]
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Budget & Policy
Growing cost of U.S. nuclear construction is triggered by policy decisions, political scientist says
The largest driver to the increase of nuclear reactor construction cost in the United States is mid-construction regulatory change, American Enterprise Institute Senior Fellow Roger Pielke recently said. In a Monday analysis report, Pielke said U.S. nuclear construction has essentially flatlined since 2006 and argued that nuclear policy choices have led to the cost increase. […]
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Uranium Enrichment & Fuel Cycle
Centrus to provide nuclear fuel for Oklo’s reactors under letter of intent
Centrus Energy and Oklo signed a letter of intent Thursday that would have Centrus supply high-assay low-enriched uranium (HALEU) to fuel up to five of Oklo’s Aurora powerhouse reactors. According to Centrus’ press release, the company would provide HALEU from its American Centrifuge Plant in Pike County, Ohio to Oklo’s planned 1,200-megawatt power campus near […]
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Advanced Nuclear & SMRs
Oklo and Standard Nuclear team up to explore nuclear supply chain opportunities
California-based Oklo and Tennessee-based Standard Nuclear entered into a memorandum of understanding (MOU) Tuesday to explore commercial collaboration on nuclear fuel recycling and advanced fuel manufacturing. The collaboration between the two companies comes as both were selected for advanced negotiations by the Department of Energy under its Surplus Plutonium Utilization Program last month, according to […]
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Advanced Nuclear & SMRs
Second test reactor could reach criticality “very very soon”, DOE exec says
The Department of Energy’s Office of Nuclear Energy expects another test reactor to reach criticality imminently, DOE Office of Nuclear Energy’s Acting Chief Operating Officer Lauren Joyce said Wednesday. “I anticipate that you will hear very very soon that a second reactor will go critical, so please stay tuned for that,” Joyce told the annual […]
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Advanced Nuclear & SMRs
Maker of nuke batteries, Zeno, picks old nuclear site for manufacturing
Zeno Power, a Seattle-based maker of nuclear batteries, has selected the Vallecitos Nuclear Center in Sunol, Calif. For a manufacturing facility, the company said Thursday. Additionally, Zeno also partnered with nuclear decommissioning company NorthStar to help restore specialized hot cell infrastructure to produce nuclear batteries purposed for commercial, defense and space uses, according to the […]
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Budget & Policy
Growing cost of U.S. nuclear construction is triggered by policy decisions, political scientist says
The largest driver to the increase of nuclear reactor construction cost in the United States is mid-construction regulatory change, American Enterprise Institute Senior Fellow Roger Pielke recently said. In a Monday analysis report, Pielke said U.S. nuclear construction has essentially flatlined since 2006 and argued that nuclear policy choices have led to the cost increase. […]
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Advanced Nuclear & SMRs
Oklo and Standard Nuclear team up to explore nuclear supply chain opportunities
California-based Oklo and Tennessee-based Standard Nuclear entered into a memorandum of understanding (MOU) Tuesday to look into commercial collaboration on nuclear fuel recycling and advanced fuel manufacturing. The collaboration between the two companies comes as both companies were selected for advanced negotiations by the Department of Energy under its Surplus Plutonium Utilization Program last month, […]
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Advanced Nuclear & SMRs
Sweden selects Rolls-Royce SMR for nuclear project
United Kingdom-based Rolls-Royce SMR has been selected by Swedish nuclear company Videberg Kraft to deploy three small modular reactors (SMRs) on the Värö peninsula on Sweden’s west coast. Videberg Kraft’s project looks to build Sweden’s first nuclear power plant in over 40 years and to add 1,500 megawatts of low-carbon baseload power, according to Rolls-Royce […]
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Advanced Nuclear & SMRs
DOE finalizes a roadmap for fusion
The Department of Energy unveiled the final version of its Fusion Science and Technology Roadmap on Tuesday. The Fusion Science and Technology Roadmap serves as a national strategy to place the development and commercialization of fusion energy on a fast track. The newest fusion strategy aligns DOE and private industry to bring together fusion energy, […]
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Advanced Nuclear & SMRs
Round Up: Nuclear startup looks to thorium for microreactor; Oklo acquires Oak Ridge-based company; DOE approves fusion company’s preconceptual design; NRC to take public input on advanced reactors
Florida-based nuclear startup AMPERA’s established an Australia-based subsidiary to streamline the use of thorium from Australia to fuel its “factory-built, scalable, supercritical nuclear energy system’, the company said Tuesday. According to AMPERA’s press release, these efforts build off the framework the U.S. government announced with Australia to secure supply for mining and processing critical, rare […]
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Advanced Nuclear & SMRs
Oklo receives DOE approval for preliminary safety analysis
The Department of Energy has approved Oklo Preliminary Documented Safety Analysis for its Aurora powerhouse project at the Idaho National Laboratory (INL) under DOE’s reactor pilot program. Oklo broke ground for its Aurora-INL reactor in September 2025. DOE’s goal under the pilot program is to have at least three test advanced reactors reaching criticality by […]
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Contracts & Procurement
Wrap up: SRNS awards Amentum with tritium plant work; Nuclear test treaty reaches 30 years; Oklo buys engineering company for reactor capabilities; DOE maps out fusion plan
Chantilly, Va.-based Amentum said Thursday it has been awarded a contract by Fluor-led Savannah River Nuclear Solutions to provide design and engineering services for the Tritium Finishing Facility Project at the Savannah River Site. Amentum’s Thursday press release did not reveal the value of the contract. “As a trusted partner to the National Nuclear Security […]
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Advanced Nuclear & SMRs
Tennessee becomes ‘first state’ to implement nuclear fusion regulations
Tennessee released its own regulatory framework for nuclear fusion technologies this week, the Tennessee Department of Environment and Conservation (TDEC) said. According to a June 1 press release, TDEC said that Tennessee will be the first state to move forward with a technology-neutral approach for fusion machines. On Tuesday, the state unveiled the regulatory process […]
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Advanced Nuclear & SMRs
Utah, DOE in talks on nuclear lifecycle hub, Wright says
The Department of Energy is working with the state of Utah on finalizing an agreement to place a Nuclear Lifecycle Innovation Campus there, Secretary of Energy Chris Wright said during a House hearing Wednesday. Wright provided a brief update on DOE’s Nuclear Lifecycle Innovation Campus, which the agency has been rather tight-lipped on. He was […]
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Advanced Nuclear & SMRs
Utah, DOE in talks on nuclear lifecycle hub, Wright says
The Department of Energy is working with the state of Utah on finalizing an agreement to place a Nuclear Lifecycle Innovation Campus there, Secretary of Energy Chris Wright said during a House hearing Wednesday. Wright provided a brief update on DOE’s Nuclear Lifecycle Innovation Campus, which the agency has been rather tight-lipped on. He was […]
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Advanced Nuclear & SMRs
Utah to play role in future of nuclear energy, Wright says
The Department of Energy is working with the state of Utah on finalizing an agreement to place a Nuclear Lifecycle Innovation Campus there, Secretary of Energy Chris Wright said during a House hearing Wednesday. Wright provided a brief update on DOE’s Nuclear Lifecycle Innovation Campus, which the agency has been rather tight-lipped on. He was […]
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Advanced Nuclear & SMRs
DOE finalizes a roadmap for fusion
The Department of Energy unveiled the finalized version of its Fusion Science and Technology Roadmap on Tuesday. The Fusion Science and Technology Roadmap serves as a national strategy to expedite the development and commercialization of fusion energy on a fast track. The newest fusion strategy aligns DOE and private industry to bring together fusion energy, […]







