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The first international severe accident melt pool standard problem led by China Nuclear Power Engineering Co., Ltd. has been officially approved

Recently, the annual meeting of the Working Group on Accident Analysis and Management (WGAMA) of the OECD Nuclear Energy Agency (OECD/NEA) reviewed and approved the International Standard Problem (ISP) in the field of severe accident research, which was led and submitted by China Nuclear Power Engineering Co., Ltd. This approval marks the 54th International Standard Problem since the OECD established the ISP program half a century ago, the first International Standard Problem in the field of in-vessel melt pool research for reactor severe accidents, and the second International Standard Problem led by China. The project entered the international promotion stage in 2024. The project team collaborated with multiple top research...

2026-09-21

CA01 Module of Unit 1 at Guangxi Bailong Nuclear Power Plant Successfully Hoisted into Position in the Nuclear Island

On August 29, the CA01 module of Unit 1 at the Bailong Nuclear Power Plant of SPIC Guangxi Nuclear Power was precisely positioned, marking a new phase of parallel civil construction and installation in the nuclear island. ▲On August 29, the hoisting operation of the CA01 module of Unit 1 at the Guangxi Bailong Nuclear Power Plant of SPIC was proceeding in an orderly manner. The CA01 module is located in the reactor building of the nuclear island and serves as the installation room for main equipment such as the reactor pressure vessel, steam generators, and pressurizer. The module is T-shaped in overall form, with external dimensions of 28 meters in length, 29 meters in width, and 24 meters in height. It consists of 47 sub-modules, with a total lifting weight of approximately 1,167 tons, making it the largest and heaviest structural module in the nuclear island. The hoisting operation commenced at 8:07 a.m. and, after a series of maneuvers including lifting, hovering, slewing, lowering, and adjustment, was successfully positioned at 12:58 p.m., with the entire process being safe, controllable, stable, and orderly.

2026-08-31

Construction of Access Tunnels Commences for Phase III of Taipingling Nuclear Power Project

On August 26, 2026, CGN's Guangdong Taipingling Nuclear Power Plant held a mobilization meeting for the construction of its Phase III project. At the meeting, the "Safety and Quality Responsibility Agreement for the Construction and Operation of CGN Guangdong Taipingling Nuclear Power Plant Phase III Project" was unveiled, aiming to further consolidate safety and quality responsibilities in nuclear power engineering construction, strengthen project quality management, and ensure the safe and orderly progress of project construction. At the mobilization meeting, Zhang Guoqiang, Secretary of the Party Committee and Chairman of CGN Huizhou Nuclear Power Co., Ltd., announced the official commencement of access tunnel construction for the Phase III project. Upon completion of the access tunnel construction, it will help improve the organizational efficiency of project construction in areas such as material transportation and module hoisting, and create conditions for the subsequent pouring of the first batch of nuclear island concrete.

2026-08-27

Guohe Series Nuclear Power Engineering Modular Quarterly Meeting and Construction Technology Innovation Application Exchange Conference Successfully Held in Qidong

On August 21, the Guohe Series Nuclear Power Engineering Modular Quarterly Meeting and Construction Technology Innovation Application Exchange Conference, hosted by Shanghai Nuclear Engineering Research and Design Institute (SNERDI) and organized by China Nuclear Industry Fifth Construction Co., Ltd. (CNF), was successfully held in Qidong, Jiangsu Province. Zhang Shoulong, Deputy General Manager and Safety Director of SNERDI, Li Jun, Deputy General Manager of China Nuclear Engineering Corporation (CNEC), and Liu Weihua, Chief Engineer of CNF, attended the meeting. More than 50 representatives from various nuclear power construction participating units gathered to discuss the innovation and practical application of nuclear power modular construction technology. At the meeting, the implementation of action items from the previous quarter was first reviewed, followed by progress reports on key work items including dry construction, plugging modularization, module design guidance manual, and multi-discipline shared rack design optimization. Each nuclear power project department then reported on quarterly work progress and subsequent work plans in turn; participating construction units including China Nuclear Industry 22nd Construction Co., Ltd., China Nuclear Industry 23rd Construction Co., Ltd., and CNF conducted thematic exchanges on modular construction, automatic welding technology, implementation of innovative technologies, and the "7050" plan (70% of all plant welding joints as prefabricated joints, and 50% of all plant prefabricated joints welded by automatic welding). Departments of SNERDI and participating partner units conducted in-depth discussions, exchanging views on key challenges in nuclear power modular construction and building consensus on technical breakthroughs. During the meeting, all attending representatives visited the Jiangsu Heneng Qidong Intelligent Manufacturing Base for on-site inspection, observing the intelligent manufacturing production line construction and gaining direct insight into the practical achievements of modular prefabrication and intelligent manufacturing processes. The meeting fully affirmed the phased achievements made by all participating units in the field of Guohe series nuclear power modular construction, pointed out that modular construction is a key driver for improving quality and efficiency in nuclear power engineering, and made arrangements for the next phase of work, emphasizing that all participating units should continue to deepen EC (Engineering-Construction) collaboration and integrated construction-installation development, and strengthen collaborative coordination to fully guarantee the high-quality construction of Guohe series nuclear power projects.

2026-08-26

Liaoning Zhuanghe Nuclear Power Enters Construction Preparation Phase, Expected to Complete 2 Billion Yuan in Project Investment by Year-End

On August 22, 85 heavy and light engineering machinery units entered the site simultaneously to carry out topsoil clearing work on 179,000 square meters of land, marking the official entry of the Liaoning Zhuanghe nuclear power project into the construction preparation phase. Rendering of the Liaoning Zhuanghe nuclear power project. The Liaoning Zhuanghe nuclear power project is the first nuclear power project in Northeast China to adopt the Hualong One, China's self-developed third-generation nuclear power technology. The project plans to build six million-kilowatt-class nuclear power units in three phases, with a total investment of approximately 125 billion yuan. The first phase will construct two units with a total investment of approximately 44.56 billion yuan. It was approved at the executive meeting of the State Council on July 31, received formal approval from the National Development and Reform Commission on August 13, and obtained the advance land use approval from the Liaoning Provincial Department of Natural Resources on August 20, meeting the legal conditions for land construction.

2026-08-25

The Workshop on Engineering Application of Domesticated Safety-Class DCS in Nuclear Power Projects Successfully Held

From August 20 to 21, the Workshop on Engineering Application of Domesticated Safety-Class DCS in Nuclear Power Projects, led by SNPAS, was successfully held in Shanghai. Relevant leaders and experts from Beijing Guangli Nuclear System Engineering Co., Ltd., China Nuclear Control System Engineering Co., Ltd., and Nuclear Power Institute of China attended the meeting, with a representative from the Ministry of Ecology and Environment's North China Regional Office of Nuclear and Radiation Safety Supervision dispatched to provide guidance. The meeting focused on discussions regarding the engineering qualification of domesticated safety-class DCS and the verification of their application in nuclear power engineering. Based on their practical experience, each participating organization presented their current implementation status, challenges encountered, and proposed measures. During the discussions, all parties exchanged views on quality consistency assurance measures, engineering qualification prototype representativeness, equipment qualification test items, and platform application verification, reaching multiple consensuses.

2026-08-25

Huaneng Hainan Changjiang Nuclear Power Unit 4 Standardized Demonstration Zone Construction Achieves Phased Progress

To thoroughly implement the safety production directives from higher authorities and effectively enhance the visual management level of safe and civilized construction at Changjiang Nuclear Power Unit 4, on August 16, 2026, the special working group for the safe and civilized construction standardization demonstration zone of Huaneng Hainan Changjiang Nuclear Power Unit 4 went deep into the construction site to conduct a comprehensive inspection and guidance on the creation of the standardized demonstration zone for Unit 4. The inspection was led by company leaders, with the participation of relevant responsible persons from the Engineering Management Department, Safety and Quality Assurance Department, as well as major construction participating units including CNNC 22 and CNNC 5. The working group strictly followed the implementation plan, verifying item by item the setting of signage and labels in the demonstration zone, material fixed-position management, safety protection facilities, environmental sanitation...

2026-08-22

CNNC Xiyi Waste Barrel Storage Well Grinding Robot Completes On-Site Testing

Recently, the waste barrel storage well grinding robot developed by CNNC Xiyi officially completed on-site testing in the grinding project of the process BOP (three wastes) storage wells of Units 3 and 4 at Xudabao, marking a substantial breakthrough in the field of automated construction in confined deep-well spaces within the nuclear industry. Waste barrel storage wells feature great depth, small openings, high verticality requirements, and high dust concentrations. Traditional manual grinding requires multiple workers to take turns entering the confined space, resulting in long construction cycles and high risks. The grinding robot developed by CNNC Xiyi is equipped with an XYZ three-axis movement mechanism and a multi-degree-of-freedom motion system with R rotation and W width adjustment, covering a working width of 12 meters with a maximum grinding depth of 5 meters, applicable to the construction of standard waste barrel storage wells across various reactor types...

2026-08-20

Prefabricated Module for Evaporator Compartment of Loop 3 in Internal Structure of Unit 4 at Zhangzhou Nuclear Power Plant Successfully Hoisted

At 10:18 on August 18, the prefabricated module for the evaporator compartment of Loop 3 in the internal structure of the reactor building of Unit 4 at Zhangzhou Nuclear Power Plant was hoisted into place, with safety and quality under control throughout the entire process. The structures above elevation 16.5 meters in the internal structure of the reactor building of Unit 4 at Zhangzhou Nuclear Power Plant, including the evaporator compartments, pressurizer compartment, and the roof slab of the passive reactor cavity injection tank, adopt a modular construction process featuring off-site prefabrication, integral hoisting, and precise positioning, divided into five concrete modules. The evaporator compartment module of Loop 3 hoisted this time is the first module to be lifted for Unit 4, weighing 454.289 tons, with an overall special L-shaped structure, lifted using a 3200-ton crawler crane. The hoisting operation lasted 3 hours, and Zhangzhou Nuclear Power...

2026-08-19

Installation of STT153A Tower Crane Completed at Jiangsu Xuwei Nuclear Heating and Power Plant by CEEC

On August 6, the installation and commissioning of the first special equipment STT153A tower crane was successfully completed for Section A of the natural draft cooling tower construction and installation project for Units 1, 2, and 3 of Phase I of the Jiangsu Xuwei Nuclear Heating and Power Plant, undertaken by CEEC Mechanization Company. The tower crane installed this time was manufactured by Fushun Yongmao Construction Machinery Co., Ltd., and is positioned at the rebar processing yard of the 1PB cooling tower, with a maximum rated lifting capacity of 10t. The jib length for this installation is 65m, and the standard section height is 37.5m. Based on the on-site machinery configuration, the installation of this tower crane was completed with the coordination of one 130t mobile crane and one 25t mobile crane. The technical team of the CEEC Mechanization Xuwei Project Branch, prior to the formal commencement of the tower crane installation...

2026-08-11

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