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Westinghouse and Amentum Expand Cooperation to Support Scaled Deployment of APX Technology Platform

Westinghouse Electric Company announced on August 4 that it has reached a series of agreements with Amentum to expand cooperation around Westinghouse's APX technology platform, enhance the scaled deployment capability of AP1000 reactors, and advance the development and licensing of the AP300 Small Modular Reactor (SMR). Under the agreements, the two companies will collaborate to advance AP300 SMR regulatory approval from the U.S. Nuclear Regulatory Commission (NRC). Westinghouse stated that obtaining regulatory approval is a critical step for AP300's market entry, and Amentum's engineering capabilities and nuclear project experience will support these efforts. Westinghouse Electric...

2026-08-05

US BWXT in Discussions with Naval Reactors on Proposed Nuclear-Powered Warship Reactor Design

BWX Technologies is in preliminary discussions with the U.S. Naval Reactors program regarding a proposed nuclear-powered warship. According to company CEO Rex Geveden during the Q2 2026 earnings call, the project could begin long-lead procurement as early as 2028 if approved and funded by the U.S. Congress. Image credit: U.S. Navy. Geveden stated that the design could leverage the existing reactor design used in Ford-class aircraft carriers. Each Ford-class carrier is equipped with two large reactors, while the proposed warship could use one reactor of the same type. Given BWXT's existing naval propulsion systems business, this approach aligns directly with the company's current manufacturing capabilities...

2026-08-05

Nuvora Completes Independent Review of Pre-Feasibility Study for 300 MWth High-Temperature Gas-Cooled Reactor Hydrogen Production

Nuvora Energy, Inc., a U.S. developer of advanced modular nuclear energy and clean hydrogen infrastructure, announced on August 3 that it has completed a pre-feasibility study for the integration of a 300 MWth prismatic high-temperature gas-cooled reactor with a solid oxide electrolyzer cell hydrogen island, along with an independent third-party review conducted by DBD International. The pre-feasibility study report, titled "Pre-Feasibility Study for Integrated Power Generation and Hydrogen Production Using a 300 MWth High-Temperature Gas-Cooled Reactor," was released in May 2026, with revision number R01. DBD International was commissioned to conduct an independent review of the study and issued its review report, revision B, on May 20, 2026...

2026-08-05

Holtec, Entergy, and Hyundai Engineering & Construction Partner to Evaluate SMR-300 Deployment Opportunities in the Southern United States

On August 4, local time, Holtec International, Entergy Services, LLC, and Hyundai Engineering & Construction Co., Ltd. (HDEC) announced a strategic collaboration to jointly evaluate potential opportunities for deploying Holtec's SMR-300 advanced small modular reactor within Entergy's service territory to power large-load customers. The collaboration is established through a non-binding memorandum of agreement. Under the arrangement, the three parties will conduct assessments around a potential two-unit SMR-300 project, focusing on customer demand,...

2026-08-05

Low Danube Water Levels Impact Nuclear Power Plant Operations in Romania and Hungary

On August 4, amid persistently low Danube River water levels, Romania was rushing to build temporary dikes to divert more river water toward the Cernavodă Nuclear Power Plant to secure cooling water for its remaining operational reactor. Meanwhile, Hungary stated that the only still-operating turbine unit at the Paks Nuclear Power Plant was running in a safe condition. Both Hungary's Paks Nuclear Power Plant and Romania's Cernavodă Nuclear Power Plant rely on Danube River water for cooling. Recently, the Danube's water level dropped to historic lows, leading to a significant decline in nuclear power output in both countries. Budapest and Bucharest have had to increase electricity imports and call on residents and businesses to reduce consumption to ease grid pressure...

2026-08-05

Kalinin NPP Reaches 850 Billion kWh of Cumulative Power Generation

On August 4, Russia's Kalinin NPP reported that since the commissioning of its first unit, the plant has generated a cumulative total of 850 billion kWh of low-carbon electricity. This output is equivalent to approximately 3.5 years of electricity demand in Russia's Central Federal District. Kalinin NPP is part of the power division of Rosatom. Viktor Ignatov, the plant's director, stated that the cumulative generation of 850 billion kWh is the result of the long-term dedication and professional commitment of several generations of nuclear workers, built upon the expertise of the operating team, reliable unit performance, and the consistent prioritization of safety...

2026-08-05

Zaporizhzhia Nuclear Power Plant Briefly Loses External Power, Restored via 330 kV Line

The International Atomic Energy Agency (IAEA) reported on August 4 that the Zaporizhzhia Nuclear Power Plant briefly lost external power supply that day. This marked the 24th occurrence of external power interruption at the plant since the outbreak of the related conflict. According to the report, the plant lost connection with the Ferrosplavnaya-1 transmission line, currently the only one still in service, in the afternoon, and emergency diesel generators provided backup power thereafter. The IAEA stated that the cause of the incident remains unclear. The plant management said the brief external power interruption was related to a technical fault in the automatic control system, and power supply was restored in less than an hour. Currently, the plant's auxiliary power is supplied by the 330 kV Fer...

2026-08-05

Turkey's Akkuyu Nuclear Power Plant Unit 1 Expected to Begin Power Generation by End of Year

Turkish Energy Minister Alparslan Bayraktar stated on August 4 that Unit 1 of the Akkuyu Nuclear Power Plant is planned to begin power generation by the end of this year. Bayraktar said that the startup process for the plant's first reactor is being accelerated, with Turkish and Russian sides concentrating efforts to advance related work, aiming to complete preparations and initiate trial power generation before year-end. He also noted that approximately 2,000 tests need to be completed before the plant goes into operation. Currently, these testing activities are underway...

2026-08-05

Krško Nuclear Power Plant Operates at Full Capacity; Low Sava River Water Level May Affect Unit Output

Slovenia's Krško Nuclear Power Plant continues to operate at full capacity, but due to low water levels and elevated water temperatures in the nearby Sava River, a reduction in reactor power cannot be ruled out in the future. The plant stated that it is utilizing its cooling tower system and operating in compliance with environmental restrictions related to the Sava River. Due to insufficient recent precipitation, the Sava River's water level remains low, and river water temperatures are also staying in a higher range. Plant management also noted that increased cooling demands have already had a certain impact on the unit's power generation efficiency. Krško Nuclear Power Plant has notified relevant authorities in Slovenia and Croatia that if environmental restrictions are further tightened, it may be necessary to...

2026-08-05

South Korea to Launch Hearings on 12th Power Supply and Demand Plan, New Nuclear Projects Under Review

South Korea's Ministry of Climate, Energy and Environment stated on August 4 that the government will advance procedures for the 12th Basic Plan for Power Supply and Demand, with the issue of new nuclear power plants to be included in public discussion and subsequent review. Kim Sung-hwan, Minister of Climate, Energy and Environment of South Korea (Photo source: Yonhap) South Korea's Climate Change Minister Kim Sung-hwan stated that the format and number of sessions for the public hearings on the 12th Basic Plan for Power Supply and Demand will be finalized this week, with plans to accelerate related procedures starting next week. Under the current schedule, the government intends to form a planning proposal in September or October and submit it for review through established procedures after completing public consultation. Regarding the issue of new nuclear power plants, Kim Sung-hwan stated...

2026-08-05

Mitsubishi Heavy Industries to Fully Develop Small Modular Reactors, Targeting Commercialization in Japan

Against the backdrop of the Japanese government's push to expand nuclear energy utilization, Mitsubishi Heavy Industries has decided to proceed with full-scale development of Small Modular Reactors (SMRs), with the goal of achieving commercial application in Japan. This is seen as a significant step forward by a Japanese private enterprise toward the practical deployment of SMRs. The Basic Energy Plan approved by Japan's Cabinet last year calls for maximizing the use of nuclear energy. At a ministerial meeting held last week, the Japanese government once again confirmed its commitment to advancing the research, development, and deployment of next-generation nuclear reactors. SMRs represent one of the technology pathways for next-generation nuclear reactors. Due to their smaller unit size and higher degree of modularization, the industry generally...

2026-08-05

Shimane Nuclear Power Plant Unit 2 Completes Fuel Replacement and Installs Containment Vessel Head

Chugoku Electric Power Co. on August 4 disclosed the installation work of the containment vessel head for Unit 2 of the Shimane Nuclear Power Plant. The unit is currently undergoing periodic inspection, with major procedures such as nuclear fuel replacement already completed. Unit 2 of the Shimane Nuclear Power Plant, located in Matsue City, Japan, was restarted two years ago. Chugoku Electric Power Co. halted the unit's operation in February this year and has been conducting periodic inspections as scheduled. To date, all 560 nuclear fuel assemblies in the unit have been removed, and safety confirmation of the reactor core has been completed. Approximately 120 of these fuel assemblies were replaced with new nuclear fuel assemblies, followed by the phase of resetting related equipment and confirming seal integrity...

2026-08-05

Approximately 13,000 liters of water found in Unit 3 of Hamaoka Nuclear Power Plant; Chubu Electric continues investigation into data falsification

Japan's Chubu Electric Power announced on August 4 that water accumulation totaling approximately 13,000 liters was found in the turbine building and related areas of Unit 3 at the Hamaoka Nuclear Power Plant. The company stated that the accumulated water contains no radioactive substances and is currently investigating the specific cause. According to Chubu Electric Power, at around 11:00 a.m. on the 4th, a worker from a partner company discovered approximately 5 liters of water in a passageway on the northwest side of the first basement floor of the turbine building adjacent to the reactor building of Unit 3. Subsequently, company personnel continued on-site inspections and confirmed at around 3:00 p.m. the same day that approximately 13,000...

2026-08-05

South Korea Designates SMR and MMR as National Strategic Technologies; South Gyeongsang Province Says It Will Promote Transition of Nuclear Power Companies

South Gyeongsang Province said on August 4 that it welcomes the South Korean government's designation of Small Modular Reactors (SMR) and Micro Modular Reactors (MMR) as national strategic technologies in the 2026 tax reform plan. Under the relevant arrangement, the South Korean government will revise the Special Tax Treatment Control Act and its enforcement decree to include industries related to small modular reactors of 300 MW or less and micro modular reactors of 20 to 30 MW class within the scope of national strategic technologies. Going forward, companies conducting R&D on SMR and MMR technologies or investing in related facilities will be eligible for higher tax credits for R&D and facility investment. South Gyeongsang Province believes that this policy will provide an opportunity for local nuclear power companies to transition into the SMR...

2026-08-05

South Korea Accelerates Safety Reviews of Long-Term Operating Nuclear Reactors and Advances Licensing of First Spent Fuel Dry Storage Facility

The Nuclear Safety and Security Commission (NSSC) of South Korea stated at its second-half work report meeting on August 4 that it will accelerate safety reviews of long-term operating nuclear reactors while simultaneously advancing regulatory efforts such as licensing systems for spent fuel dry storage facilities and small modular reactors. Under the plan, the NSSC will conduct safety inspections on nine reactors applying for continued operation, with review standards referencing newly built nuclear power plants and confirming safety margins in consideration of the characteristics of long-term unit operation. Among these, whether Kori Nuclear Power Plant Units 3 and 4 will be approved for continued operation in the second half of this year, and whether Hanbit Nuclear Power Plant Units 1 and 2 will be approved for continued operation in the first half of next year, are the near-term review priorities...

2026-08-05