Search Results

Keyword:nuclear power

New Decommissioning Plan for Fukushima Daiichi: Priority on Internal Investigation of Unit 3 Before Fuel Debris Retrieval

New Decommissioning Plan for Fukushima Daiichi: Priority on Internal Investigation of Unit 3 Before Fuel Debris Retrieval

The Nuclear Damage Compensation and Decommissioning Facilitation Corporation of Japan released on August 6 an outline of the 2026 edition of the "Decommissioning Strategic Plan," proposing technical approaches for the decommissioning of Tokyo Electric Power Company's Fukushima Daiichi Nuclear Power Station. The plan highlights that, for the large-scale retrieval of melted fuel debris at Unit 3, expected to commence in or after fiscal year 2037, priority should currently be given to internal investigations of the reactor building to provide a more reliable basis for subsequent engineering plans. The plan states that the fuel debris retrieval method being studied by TEPCO still requires further improvement in certainty, with the key prerequisite being an understanding of the actual internal conditions of the reactor. Due to the high radiation levels of the water inside the unit following the accident...

2026-08-07

Radiation detector malfunction at Unit 2 of Japan's Onagawa Nuclear Power Plant causes hundreds of abnormal reading fluctuations

Radiation detector malfunction at Unit 2 of Japan's Onagawa Nuclear Power Plant causes hundreds of abnormal reading fluctuations

Tohoku Electric Power Company of Japan announced on August 6 that a detection equipment malfunction occurred at Unit 2 of the Onagawa Nuclear Power Plant, located in Onagawa Town and Ishinomaki City, Miyagi Prefecture. The issue involved detectors used to measure radiation levels in the main steam lines, which transport steam generated by the reactor to the turbine. Among the four detectors, one displayed readings in the central control room that surged and dropped sharply, repeating hundreds of times. Based on publicly available information, Tohoku Electric has classified this incident as a detector malfunction rather than an abnormal release of radioactive materials or a sudden change in reactor operating conditions. The company stated that the situation does not constitute a problem under security regulations, meaning that from...

2026-08-07

U.S. Environmental Groups Sue, Claiming Turkey Point Nuclear Plant License Renewal Requires Additional Environmental Review

U.S. Environmental Groups Sue, Claiming Turkey Point Nuclear Plant License Renewal Requires Additional Environmental Review

The U.S. Nuclear Regulatory Commission (NRC) faces a legal challenge over its renewal of operating licenses for Units 3 and 4 at the Turkey Point nuclear power plant near Miami, Florida. Florida environmental group Miami Waterkeeper Inc. has petitioned the U.S. Court of Appeals for the District of Columbia Circuit, arguing that the agency failed to follow proper procedures during the license renewal process and overlooked significant environmental concerns. At the heart of the lawsuit is Miami Waterkeeper's assertion that the NRC should not have proceeded with the license renewal after denying the group's hearing request. The organization had participated in the related administrative proceedings and raised objections concerning the plant's environmental impact review, but the NRC concluded those proceedings in March of this year...

2026-08-07

Three U.S. Nuclear Energy Companies Explore Manufacturing Next-Generation Reactor Fuel from Recycled Nuclear Materials

Three U.S. Nuclear Energy Companies Explore Manufacturing Next-Generation Reactor Fuel from Recycled Nuclear Materials

U.S. nuclear energy companies Curio, NuScale Power, and Framatome have signed a memorandum of understanding to evaluate the feasibility of converting recycled nuclear materials into next-generation reactor fuel and related products. The tri-party collaboration is not focused on immediate commercial production, but rather on research into technical feasibility, fuel development, manufacturing capabilities, supply chain integration, and future commercial deployment, seeking to connect spent fuel recycling, fuel fabrication, and advanced reactor applications into a more complete industrial chain. Under this collaboration, Curio will provide its NuCycle nuclear fuel recycling technology, aiming to recover reusable strategic nuclear materials from spent fuel, with claims of reducing residual waste volume by up to 97%.

2026-08-07

US DOE Approves Nuclear Safety Design Agreement for Deep Fission Underground SMR

US DOE Approves Nuclear Safety Design Agreement for Deep Fission Underground SMR

Deep Fission, a US advanced nuclear energy company, announced on August 6 that the US Department of Energy (DOE) has approved the Nuclear Safety Design Agreement (NSDA) for its Gravity reactor. The company stated that this milestone means its reactor design meets the requirements for continued advancement under the DOE's Reactor Pilot Program. Deep Fission is developing a small modular pressurized water reactor concept, with plans to place the reactor in a borehole approximately 1 mile, or about 1.6 kilometers, underground. The approved Nuclear Safety Design Agreement will serve as the safety framework for subsequent reactor development work. According to the company's plans, the project will proceed into the DOE authorization process...

2026-08-07

Canadian Nuclear Waste Management Organization Publishes Final Design for Centre of Expertise in Ontario

Canadian Nuclear Waste Management Organization Publishes Final Design for Centre of Expertise in Ontario

The Nuclear Waste Management Organization (NWMO) has published the final design for its Centre of Expertise, to be located in the Township of Ignace, Ontario. Ignace is one of the host communities for Canada's deep geological repository project for used nuclear fuel. With an investment of approximately CAD 50 million and expected to open in 2028, the centre is positioned as a key platform supporting the construction and long-term operation of the repository. According to the NWMO, the Centre of Expertise design incorporates input from the local community and will feature flexible multi-purpose spaces, educational areas, public viewing galleries, interactive exhibits, and learning zones, while emphasizing integration with the natural environment and a location that facilitates connection to community amenities...

2026-08-07

Drought Lowers Danube Water Levels, Romania Plans to Restrict Industrial Power Use if Necessary

Drought Lowers Danube Water Levels, Romania Plans to Restrict Industrial Power Use if Necessary

Romania's Acting Prime Minister Ilie Bolojan said after a cabinet meeting on August 6 that the government has developed a comprehensive risk prevention plan covering multiple risk scenarios, including earthquakes, public health events, and the current drought, with corresponding response measures clearly defined. Under the plan, Romania will establish a national operations center in the energy sector. Bolojan stated that the government will approve on August 7 measures by Transelectrica to take action when necessary: with 24 hours' prior notice, certain industrial users may be disconnected from the national grid. He also emphasized that power supply to ordinary citizens, apartments, and residential users will not be...

2026-08-07

X-Energy and Centrus Sign HALEU Supply Agreement, Accelerating U.S. Advanced Nuclear Fuel Supply Chain

X-Energy and Centrus Sign HALEU Supply Agreement, Accelerating U.S. Advanced Nuclear Fuel Supply Chain

X-Energy and Centrus Energy have signed a low-enriched uranium and high-assay low-enriched uranium supply agreement, marking a more concrete commercialization phase in fuel assurance for U.S. advanced nuclear reactors. Under the agreement, Centrus will provide uranium enrichment services at its American Centrifuge Plant in Pike County, Ohio, with the HALEU to be supplied to X-Energy's fuel subsidiary TRISO-X for the production of TRISO-coated particle fuel at its Oak Ridge, Tennessee fuel fabrication facility, serving the Xe-100 high-temperature gas-cooled small modular reactor. The significance of this agreement lies not only in the supply itself but also in its phased advance payment arrangement. X-Energy will support Centrus through advance payments...

2026-08-07

Türkiye plans to commission subsequent Akkuyu nuclear power plant units at one-year intervals

Türkiye plans to commission subsequent Akkuyu nuclear power plant units at one-year intervals

Turkish Energy Minister Alparslan Bayraktar said on August 6 that Türkiye plans to commission subsequent units of the Akkuyu Nuclear Power Plant (NPP) at one-year intervals after the first unit goes into operation. Bayraktar stated that Unit 1 of the Akkuyu NPP is scheduled to begin generating electricity by the end of the year, with work on the first reactor's commissioning currently progressing at full speed. According to Türkiye's plan, after Unit 1 enters service, the remaining units will successively enter the commissioning phase. The Akkuyu NPP is Türkiye's first nuclear power plant, constructed by Russia's State Atomic Energy Corporation (Rosatom). The project plans four units, all using Russia-designed Generation III+...

2026-08-07

KHNP's Comprehensive Nuclear Power Plant Maintenance Qualification System Recognized by South Korean Government

KHNP's Comprehensive Nuclear Power Plant Maintenance Qualification System Recognized by South Korean Government

Korea Hydro & Nuclear Power (KHNP) announced on August 7 that its comprehensive nuclear power plant maintenance qualification system has received government recognition from the Human Resources Development Service of Korea, an affiliate of South Korea's Ministry of Employment and Labor. The system is primarily designed for nuclear power plant maintenance positions, aiming to enhance the professional knowledge and on-site technical capabilities of practitioners. Government recognition refers to the formal confirmation by the government of a qualification certification system used within a company to improve employee skills. KHNP believes this signifies that the objectivity and credibility of its qualification assessments have been recognized at the national level, contributing to...

2026-08-07

Self-developed "Dimeng" Engine Powers Trial Operation of Daya Bay Nuclear Power's Real-Scene 3D Twin Platform

Self-developed "Dimeng" Engine Powers Trial Operation of Daya Bay Nuclear Power's Real-Scene 3D Twin Platform

Recently, the real-scene 3D twin platform for Daya Bay Nuclear Power, jointly developed by Daya Bay Nuclear Power and Zhike/Simulation Company under CGN Digital Technology, was launched for trial operation. Leveraging the self-developed Dimeng domestic 3D engine from the Simulation Company, the platform integrates multi-source data including 3D models, Gaussian splatting, forward design data, and GIS for the Daya Bay Nuclear Power base. The Dimeng engine is a graphics development tool independently developed by the Simulation Company to address the characteristics of the nuclear power industry, such as dense equipment, complex system interconnections, and scattered data, providing underlying capabilities including model rendering, spatial interaction, physical simulation, and data-driven processing. Building on this foundation, the Simulation Company, in collaboration with Daya Bay Nuclear Power, constructed the real-scene 3D twin platform...

2026-08-07

Unit 2 of Belarusian Nuclear Power Plant Resumes Grid Connection

Unit 2 of Belarusian Nuclear Power Plant Resumes Grid Connection

According to the Belarusian Nuclear Power Plant, Unit 2 of the station was reconnected to the grid on August 4. The plant stated that after completing diagnostic testing of the electrical equipment of Unit 2, the unit was put into operation and reached rated operating parameters. Previously, Unit 2 of the Belarusian Nuclear Power Plant was disconnected from the grid at the end of July.

2026-08-07

New Chair Takes Office for ASME BPV III China International Working Group

New Chair Takes Office for ASME BPV III China International Working Group

On August 4, the 2026 First Working Meeting and the Fourth Chairmanship Election Conference of the ASME Boiler and Pressure Vessel Code Section III (BPV III) China International Working Group (hereinafter referred to as the "Working Group") were held at Shanghai Nuclear Engineering Research and Design Institute (SNERDI). Following a vote by attending committee members, Jiao Ming, Deputy General Manager of the company, was unanimously elected as the new Chair of the Working Group, while Zhou Zhou, Director of the Nuclear Equipment Safety and Reliability Center at China Productivity Center for Machinery, and Jiang Cailin, Vice President of Shanghai Electric Nuclear Power Group, were elected as Vice Chairs. Jiao Ming stated that the Working Group will continue to establish regular communication channels between the domestic industry and ASME, leverage key domestic nuclear power projects, and lead the industry in tackling cutting-edge technologies such as radiography testing of ultra-thick forgings, phased array ultrasonic testing, and additive manufacturing of nuclear equipment...

2026-08-07

Real-Time Perception, Full-Scope Visibility! CNNC Environmental Protection's "SMARP2.0" Leads a New Paradigm in Nuclear Power Radiation Protection

Real-Time Perception, Full-Scope Visibility! CNNC Environmental Protection's "SMARP2.0" Leads a New Paradigm in Nuclear Power Radiation Protection

In nuclear power radiation work scenarios, the ability to pre-determine radiation dose levels in various areas has long been an aspiration of countless nuclear industry workers. Now, the SMARP2.0 system developed by the China Institute for Radiation Protection (CIRP), a subsidiary of CNNC Environmental Protection, has turned this vision into reality. Recently, the China Institute for Radiation Protection, under CNNC Environmental Protection, completed the iterative upgrade of the SMARP2.0 digital radiation protection technical support system. This system can pre-calculate radiation dose levels in various areas of nuclear power operations, effectively resolving the long-standing industry challenge where frontline nuclear workers could not grasp on-site radiation conditions in advance, providing robust technical support for optimizing radiation work plans and ensuring worker radiation safety. SMARP2.0...

2026-08-07

Huaneng Hainan Changjiang Nuclear Power Plant Unit 4 Secondary Loop Combined Hydrostatic Test Successfully Completed

Huaneng Hainan Changjiang Nuclear Power Plant Unit 4 Secondary Loop Combined Hydrostatic Test Successfully Completed

At 04:29 on August 6, 2026, witnessed jointly by Huaneng Changjiang Nuclear Power Company and all participating construction units, the secondary loop combined hydrostatic test of Unit 4 was completed, laying a solid critical prerequisite foundation for the comprehensive implementation of subsequent cold functional tests of the unit. Hydrostatic test curve diagram The secondary loop hydrostatic test is the core critical test following the blasting purging process in the unit's secondary loop system, and constitutes a mandatory acceptance procedure during the construction and installation phase of the Hualong One nuclear power unit. The test primarily targets the steam generator secondary side system, main steam pipelines, feedwater system, auxiliary valves, supports and hangers, and all associated piping, comprehensively verifying the overall structural pressure resistance, weld and flange sealing performance, and...

2026-08-07