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U.S. Moves to Relax Oversight of Small Maritime Nuclear Reactors, Promoting Civilian Floating Nuclear Energy Applications

The U.S. government is pushing to remove or simplify regulatory barriers to deploying civilian nuclear reactors on floating platforms and vessels, aiming to pave the way for small modular reactors to enter maritime shipping and offshore energy applications. The relevant topics will be highlighted during the International Atomic Energy Agency's ATLAS initiative event from August 26 to 27, with the U.S. also planning to showcase reactor technologies suitable for waterborne operations. The day prior, the U.S. will host an industry day, inviting nuclear and maritime sector companies to present their solutions. This move reflects the strategic importance the U.S. energy sector places on small modular reactors. Compared to traditional large-scale nuclear power plants, small modular reactors emphasize high energy density,...

2026-08-12

GAO: DOE Nuclear Cleanup "End-State Contract Model" Exceeds Budget by $500 Million in Six Years and Misses Goals

A report released by the U.S. Government Accountability Office (GAO) on July 29 shows that the Office of Environmental Management (EM) at the U.S. Department of Energy has accumulated over $500 million in cost growth on nuclear waste cleanup contracts since 2020, yet the agency cannot fully explain the reasons for these increases. EM is responsible for cleaning up 15 sites in the United States contaminated by nuclear weapons production and energy research. To address long-standing contract management problems, EM adopted the End-State Contract Model (ESCM) starting in fiscal year 2020, breaking cleanup work into smaller task orders under larger master contracts, with the goal of improving cost predictability, accelerating cleanup progress, and enhancing performance outcomes...

2026-08-12

U.S. and European Nuclear Fuel Markets Accelerate Adjustment, with Canada and Kazakhstan Remaining Leading Uranium Supply Sources

Annual reports recently released by the U.S. Energy Information Administration and the European Supply Agency show that the global nuclear fuel supply landscape in 2025 continues to be shaped by geopolitical and energy security factors. Canada remains the most important source of uranium for utility nuclear power operators in the United States and the European Union, followed closely by Kazakhstan, underscoring the two countries' central role in the Western nuclear fuel supply chain. Meanwhile, both the United States and the European Union are focusing on concerns over supply source concentration, dependence on Russian-related supplies, and security assurance issues arising from future growth in nuclear power demand. In the U.S. market, owners and operators of civilian nuclear power plants procured 46.9 million pounds U3O8e of uranium deliveries from domestic and foreign suppliers in 2025...

2026-08-12

Flammable Gas Analysis Completed for Legacy Transuranic Waste Containers at U.S. Savannah River Site

AIKEN, South Carolina — The Solid Waste and Deactivation and Decommissioning team at Savannah River Nuclear Solutions (SRNS) recently completed a critical task, performing flammable gas analysis on multiple legacy high-dose-rate transuranic (TRU) waste containers. The results confirmed that these containers meet safety requirements for shipment to an underground waste disposal facility. Following this analysis, the U.S. Department of Energy Office of Environmental Management will resume shipments of remote-handled transuranic waste drums from the Savannah River Site (SRS) to the Waste Isolation Pilot Plant (WIPP) in New Mexico for permanent disposal. Flammable gas sampling is an important safety step prior to the transportation and disposal of transuranic waste. Workers...

2026-08-11

U.S. National Nuclear Security Administration Extends Savannah River Site Management and Operating Contract to September 2027

The U.S. Department of Energy's National Nuclear Security Administration (DOE/NNSA) announced on August 10 that it has exercised the remaining option on the Savannah River Site (SRS) Management and Operating contract with Savannah River Nuclear Solutions, LLC, extending contract performance through September 30, 2027, with an estimated contract value of $2.3 billion. NNSA stated that exercising this remaining option will help maintain continuity and stability of the contractor workforce, allowing related work to continue advancing around the agency's critical missions. The current SRS Management and Operating contract was originally scheduled to expire on September 30, 2026...

2026-08-11

U.S. nuclear energy company Holtec advances on two fronts this week: decommissioning aging nuclear plants and positioning small reactors in the southern U.S.

U.S. nuclear energy company Holtec recently announced two significant developments, reflecting the dual trend in the current nuclear power industry of retiring existing capacity while expanding new capacity. On one hand, the U.S. Nuclear Regulatory Commission approved the license termination plan for the Oyster Creek nuclear power plant, moving the decommissioning process of this veteran commercial nuclear facility in New Jersey, which began operations in 1969, past a key regulatory milestone. On the other hand, Holtec announced a partnership with Entergy and Hyundai Engineering & Construction to evaluate potential sites for deploying new reactors in the southern Gulf Coast region of the United States. The Oyster Creek plant ceased power generation in 2018 and was subsequently taken over by Holtec for decommissioning. The recently approved license termination plan...

2026-08-11

Kyoto Fusioneering to Relocate U.S. Headquarters to Oak Ridge

Kyoto Fusioneering (KF) will relocate its U.S. headquarters to Oak Ridge, Tennessee, investing $46.9 million in Anderson County and creating 51 new jobs. The project will build critical fusion testing infrastructure, with a focus on supporting the development of the fusion nuclear testing facility UNITY-3. UNITY-3 is planned to be built at Oak Ridge National Laboratory (ORNL) through a public-private partnership. The facility has received support from the U.S. Department of Energy (DOE) and has been listed as a national priority in its final "Fusion Science and Technology Roadmap." According to the plan, UNITY-3 will employ a deuterium-tritium (D-T) fusion neutron source to validate tritium breeding capabilities and related performance under conditions approaching a real fusion nuclear environment...

2026-08-11

Former U.S. President Biden's Prostate Cancer Progress: Has Received Radiation Therapy and Hormone Therapy

The health condition of former U.S. President Joe Biden has recently drawn renewed attention. In an interview video, his son Hunter Biden stated that after Biden was diagnosed with prostate cancer, the cancer cells had metastasized, spreading to the bones and other parts of the body, and described the process as extremely painful. According to relevant information, Biden, now 83 years old, disclosed in May 2025 that he had been diagnosed with an aggressive form of prostate cancer, with cancer cells confirmed to have spread to the bones at that time. In October, a Biden spokesperson announced that he was undergoing radiation therapy and hormone therapy. Radiation therapy is one of the common nuclear technology medical applications in tumor treatment, primarily using ionizing radiation on tumor tissue to...

2026-08-10

U.S. Plans $1 Billion Security Assistance to Colombia, Civil Nuclear Energy Added to Bilateral Cooperation List

The U.S. Department of State announced on August 8 that it plans to provide $1 billion in security assistance to Colombia to support the security policies of the new administration of President Abelardo de la Espriella. The assistance package is viewed by the Trump administration as a core component of the "renewed alliance" between the U.S. and Colombia, and will be advanced in coordination with Congress. The State Department framed the assistance plan within the context of a "new chapter" in bilateral relations, while also proposing deeper economic cooperation in areas such as energy, critical minerals, infrastructure, technology, and civil nuclear energy. Compared to the previous tensions between Trump and former Colombian President Gustavo Petro over immigration and security issues, de la Espriella's...

2026-08-10

LLNL Research in the U.S. Reveals New Mechanisms of Laser Polarization Effects in NIF Inertial Confinement Fusion Experiments

Researchers at Lawrence Livermore National Laboratory (LLNL) have recently discovered in studies related to the National Ignition Facility (NIF) that the polarization state of lasers may influence the cross-beam energy transfer (CBET) process in inertial confinement fusion experiments and could help reduce backscatter and the risk of damage to optical components. The related paper, titled "Effects of Laser Polarization on Cross-Beam Energy Transfer in Inertial Confinement Fusion," was recently published as a featured article in the journal Physics of Plasmas. NIF experiments demand extremely high precision in laser control. The facility's 192 laser beams must be focused to a width of a few millimeters and enter the target area through holes approximately 3 millimeters in diameter located at the top or bottom of a gold hohlraum. The hohlraum is about 2 centimeters in diameter. After the lasers enter the plasma, different beams cross each other and undergo energy transfer, a process known as cross-beam energy transfer. When designing NIF inertial confinement fusion experiments, scientists carefully tune the laser wavelengths to use CBET to balance energy distribution and improve implosion symmetry.

2026-08-10

U.S. Enhances Virginia-Class Nuclear Submarines

The recent U.S. efforts to enhance and reposition the Virginia-class nuclear submarines have focused primarily on expanding the platform's own capabilities. Certain batches of Virginia-class submarines are being reclassified from attack submarines (SSN) toward cruise missile submarines (SSGN), with the addition of the Virginia Payload Module (VPM) extending the hull and adding large-diameter vertical launch tubes, increasing the per-boat Tomahawk cruise missile payload from 12 to approximately 40, while also accommodating Conventional Prompt Strike hypersonic missiles and unmanned underwater vehicles. This modification directly fills the firepower gap left by the retiring Ohio-class SSGNs, positioning this submarine class as a covert, long-range conventional precision-strike node at sea. As nuclear-powered submarines, the Virgini...

2026-08-10

U.S. Navy Decommissions Nuclear Submarine USS San Juan; Kittery Shipyard in Maine Helped Extend Its Service Life

The U.S. Navy recently held a decommissioning ceremony for the USS San Juan, as the Los Angeles-class fast attack nuclear submarine officially departed the fleet at Naval Base Kitsap in Washington State after nearly four decades of service. Named after the capital of Puerto Rico, a U.S. territory, the San Juan was commissioned on August 6, 1988, and its decommissioning coinciding with its commissioning anniversary carries notable symbolic significance. The San Juan had an important connection with Portsmouth Naval Shipyard in Kittery, Maine. Approximately 15 years ago, the submarine entered the shipyard for a major engineering overhaul, completing critical overhaul work between 2010 and 2012. Photographs released by the U.S. Navy in 2011 showed shipyard workers completing the submarine's undocking one day ahead of schedule, reflecting the maintenance progress and shipyard support capabilities at the time.

2026-08-10

U.S. Department of Energy Selects SHINE Technologies for Genesis Initiative, AI to Optimize Reprocessing of 95,000 Tons of Spent Nuclear Fuel

The U.S. Department of Energy has selected SHINE Technologies to participate in the Genesis mission, advancing the application of artificial intelligence in the nuclear industry. The core objective of the project is to develop an AI-assisted design system for engineers to plan more efficient spent fuel reprocessing facilities. The United States currently has approximately 95,000 tons of accumulated spent nuclear fuel, which has historically posed long-term storage and disposal challenges. The new approach seeks to recover still-valuable components from this material, reducing waste volume and improving resource utilization. The key to this project lies in transforming traditional engineering design methods. In the past, metrics such as throughput, final product quality, and waste volume in nuclear fuel reprocessing processes were typically evaluated separately...

2026-08-09

Paraguay says U.S. nuclear memorandum covers uranium exploration, energy cooperation heats up

Paraguayan Vice President Pedro Alliana revealed that the memorandum of understanding on nuclear energy recently signed between Paraguay and the United States involves not only civil nuclear energy development but also cooperation related to uranium exploration. In discussing his meetings with U.S. Secretary of State Marco Rubio and Deputy Secretary of State Christopher Landau, he called the agreement a historic document, reflecting that bilateral relations are at an unprecedented stage of closeness. The recent engagement between Paraguay and the U.S. was not limited to nuclear energy issues but spanned multiple areas including bilateral cooperation, security, investment, and regional politics. Alliana stated that the U.S. side intends to strengthen investment in Paraguay's energy sector, with particular attention to...

2026-08-09

U.S. NRC Proposes Radiation Protection Rule Changes, Removal of ALARA Requirements Sparks Safety Controversy

The U.S. Nuclear Regulatory Commission (NRC) plans to hold an online public meeting on August 10 to discuss its proposed rule titled "Reforming and Modernizing the NRC's Radiation Protection Framework." The proposal, published on July 15, centers on reexamining the use of the linear no-threshold model in assessing radiation health effects, as well as the as low as reasonably achievable principle—the ALARA principle—derived from that model. Under the proposal, the NRC intends to remove ALARA-related requirements from its regulations and instead adopt a graded dose management framework. This framework would be based on explicit radiation protection thresholds, dose management methods, and acceptable dose measurement approaches. The regulator stated that this move is not about changing exposure standards for workers and...

2026-08-08