California Governor Says He Will Not Push for Diablo Canyon Nuclear Plant Life Extension During His Term

California Governor Gavin Newsom said he will not push to extend the operating life of the state's only commercial nuclear power plant, Diablo Canyon, during his final months in office. This means the plant's fate after 2030 will be left at least to the next state administration to decide. Located in San Luis Obispo County, California, the Diablo Canyon nuclear plant has two units and is owned and operated by Pacific Gas and Electric Company (PG&E). Under an arrangement PG&E reached in 2016, the two units were originally scheduled for phased retirement. However, after California's high temperatures in 2022 triggered power supply strain and blackouts...

2026-08-12

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

Kyoto Fusioneering and Oak Ridge to Build World's First Fusion Blanket Verification Facility UNITY-3

Kyoto Fusioneering (KF), a Japanese fusion energy engineering company, announced that it will jointly build a facility named UNITY-3 with the U.S. Oak Ridge National Laboratory (ORNL) to verify the breeding blanket technology required for commercial fusion power plants. The project is described as the world's first facility dedicated to breeding blanket demonstration, and KF will also relocate its U.S. business base to Oak Ridge, Tennessee. The project has received support from the U.S. Department of Energy's relevant roadmap, Tennessee's nuclear energy supply chain investment fund, and the DOE, indicating that the fusion industry is shifting from purely plasma physics breakthroughs toward engineering, system integration, and supply chain development. The breeding blanket is a critical component for deuterium-tritium fusion power...

2026-08-12

Solaris Invests in Deployable Energy, Pushing "Unity" Transportable Microreactor Toward Commercial SMR

Houston-based advanced nuclear startup Deployable Energy (CEO Bobby Gallagher, former Australian Army/offshore drilling background) has reached a strategic partnership with NYSE-listed U.S. energy infrastructure company Solaris Energy Infrastructure, Inc. (NYSE: SEI): Solaris will take an equity stake in Deployable and leverage its own experience in grid construction and operations under harsh conditions (defense bases, heavy industry, data centers) to help the latter bring the Unity Nuclear Battery—a roughly 1 MWe-class, container-sized, portable microreactor that fits in a pickup truck bed for highway transport—to commercial deployment. The Unity reactor has already achieved...

2026-08-12

Deep Fission Details 'One-Mile-Deep PWR' Roadmap at Canaccord Conference, Targeting First Commercial Operation by End of 2027

On August 11, Deep Fission (FISN) unveiled a differentiated nuclear commercialization pathway at Canaccord Genuity's 46th Annual Growth Conference: rather than reinventing nuclear fission technology, the company aims to deploy mature pressurized water reactors in underground boreholes approximately one mile deep. CEO Liz Muller emphasized that the core approach is to change where reactors are deployed, not to adopt an entirely new reactor physics model. Given that PWR technology has been used in commercial nuclear power for decades, the company hopes to shorten the validation cycle by leveraging mature technology and avoid the new fuel, new material, and new design licensing hurdles faced by some advanced nuclear projects. According to the company's plan...

2026-08-12

Sophelio Launches Fusion Equilibrium Challenge, Opening DIII-D and MAST Experimental Datasets

On August 11, Sophelio launched the Fusion Equilibrium Challenge. The competition has been accepted into the 2026 Conference on Neural Information Processing Systems (NeurIPS) competition track, making it the first fusion energy-related challenge to enter this track. The challenge is co-organized by Sophelio together with the DIII-D National Fusion Facility, the UK Atomic Energy Authority (UKAEA) FAIR-MAST project, and the Institute for Fusion Studies (IFS) at the University of Texas at Austin, with data hosted on the Hugging Face platform. Open to the global machine learning community, the competition re...

2026-08-12

TVA Preserves Bellefonte Nuclear Plant Site for SMR Development, Accelerates Negotiations with GE Vernova Hitachi

The Tennessee Valley Authority (TVA) is preserving the unfinished Bellefonte Nuclear Plant in Jackson County, Alabama for potential future development. Based on current progress, TVA is accelerating negotiations with GE Vernova Hitachi Nuclear Energy, and if the two parties ultimately reach an agreement, this long-idle nuclear plant site could be used to deploy multiple BWRX-300 small modular reactors. TVA spokesperson Scott Fiedler stated that the agency's current goal is to protect and preserve the Bellefonte site for future energy development. Small modular reactors are one of the technologies TVA is considering when evaluating potential power generation options, but no final decision has been made yet...

2026-08-12

Nuclea Signs MOU with Utah Office of Energy Development to Advance Microreactor Testing at USREL

Nuclea Energy USA Inc., a wholly owned subsidiary of advanced nuclear technology developer Nuclea Energy Inc., recently announced that it has signed a Memorandum of Understanding with the Utah Office of Energy Development to explore the possibility of deploying a nuclear test reactor at Utah's San Rafael Energy Laboratory to advance the development and commercialization of Nuclea's Morpheus microreactor. This collaboration is seen as an important step for Nuclea's micro modular reactor moving from technology validation toward actual deployment. According to the MOU, Nuclea and the Utah Office of Energy Development will evaluate test reactor siting, coordination with the U.S. Department of Energy and the Nuclear Regulatory Commission, and...

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. 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

Linn County, Iowa, rejects rezoning application for data center site near nuclear power plant

The Linn County Board of Supervisors in Iowa said Monday it will not proceed with amendments to the EU-2 zoning district. This decision means that large data centers will not be permitted to be built near nuclear facilities through this zoning rule for the time being. The current EU-2 zoning primarily allows for nuclear power generation facilities, nuclear waste storage facilities, and natural gas power generation facilities, and does not list large data centers as permitted uses. The zoning adjustment drew attention due to the potential restart of the Duane Arnold Energy Center near Palo. If the nuclear facility were to resume operations, it could provide a stable power source for energy-intensive data centers, prompting interest from data center companies in surrounding...

2026-08-11

Arkansas Evaluates Six Candidate Areas for New Nuclear Power Development

A latest research report in the U.S. state of Arkansas concludes that six areas in the state could serve as candidate sites for future nuclear power development, and that new reactors are both "feasible and necessary" locally. The report states that, under a relatively aggressive timeline, a new nuclear power plant in Arkansas could begin operation by the mid-2030s. The 533-page study was completed by Excel Services Corporation, a Maryland-based consulting firm, commissioned by the Arkansas Legislature's Joint Energy Committee. The six candidate areas listed in the report include Flint Creek in Benton County, the existing Arkansas Nuclear One (...

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

TMTG Advances $6 Billion-Plus Merger with TAE, Pivoting to Commercial Fusion Energy

Trump Media & Technology Group (TMTG) recently disclosed that it will proceed with its merger plan with fusion energy firm TAE Technologies (TAE), despite reporting significant losses in the second quarter. The deal is valued at over $6 billion, with TMTG committing to invest $300 million in TAE before the transaction closes. According to company disclosures, TMTG recorded a loss of $238 million in the second quarter of 2026, with revenue of $1.7 million and total assets approaching $2 billion. In the first half of 2026, the company's net loss widened to $644 million, compared to a loss of $52 million in the same period last year. The company attributed the widening losses primarily to...

2026-08-11

Hadron Energy Appoints Eric Williams as Executive Vice President of Engineering

Advanced nuclear technology company Hadron Energy announced on August 10 that Eric Williams will join the company as Executive Vice President of Engineering, effective August 31, 2026. Hadron Energy is currently developing the Halo micro modular reactor (MMR) based on pressurized water reactor technology. Hadron Energy went public on Nasdaq in May 2026. The company stated that Eric Williams' addition will strengthen its engineering organization and support the advancement of Halo MMR from design and licensing to commercial deployment. According to company information, Hadron Energy has recently made progress in work related to the U.S. Nuclear Regulatory Commission (NRC), including approval of its quality assurance program description and submission of major design criteria white papers.

2026-08-11

MIT Research Proposes Framework for Assessing Economic Viability of Fusion Power Plants

Researchers at the Massachusetts Institute of Technology (MIT) have recently proposed an assessment framework aimed at addressing the core question that fusion energy must confront in transitioning from scientific feasibility to commercial profitability: how can a fusion power plant achieve economic viability in the energy market? The related open-access paper, titled "Criteria for the Economic Viability of Fusion Power Plants," has been published online in the Journal of Fusion Energy. The paper is authored by Dennis Whyte, Professor of Nuclear Science and Engineering at MIT, and Andrew W. Lo, Professor of Finance at the MIT Sloan School of Management, with contributions from researchers at Rutherford Energy Ventures and the MIT Plasma Science and Fusion Center.

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

Paraguay's Nuclear Power Generation Debate Heats Up: Regulator Supports Private Sector Participation

Paraguay's Radiation and Nuclear Regulatory Authority (ARRN) has welcomed the open attitude shown by the National Electricity Administration (ANDE), stating that allowing or encouraging private sector participation in nuclear power generation projects would bring new discussion space to the country's energy mix. This stance indicates that nuclear energy is no longer just a long-term technical vision but has begun to enter the public agenda of policy, investment, and regulatory coordination. Paraguay has long relied on hydropower resources, with major projects such as Itaipu and Yacyretá giving it an advantage in clean electricity. However, with domestic industrialization, growing electricity consumption, and changes in the regional energy market, sole reliance on hydropower also faces pressures from seasonality, hydrological conditions, and long-term demand...

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

Three Los Angeles Companies Race in Portable Nuclear Power Sector

Southern California is emerging as a key testing ground for portable nuclear power technology. Three companies from the Los Angeles area—Valar Atomics in El Segundo, Antares Nuclear in Torrance, and Radiant Industries, also based in El Segundo—have joined federally backed pilot projects for portable nuclear power plants. These small-scale nuclear generating units are designed for rapid transport, deployment, and activation, with target scenarios including remote disaster zones, military bases, off-grid facilities, and even future deep-space missions. The reactors from Valar Atomics and Antares Nuclear achieved self-sustaining nuclear reactions before the July 4 government deadline, demonstrating their potential for rapid deployment...

2026-08-09