First Concrete Pour Completed for Nuclear Island of Unit 5 at China's Haiyang Nuclear Power Plant

Recently, the first concrete pour (FCD) for the nuclear island of Haiyang Nuclear Power Unit 5 was completed, with a cumulative concrete placement of 7,008 cubic meters, marking that the main works of the nuclear island have fully entered the construction phase and laying the foundation for the subsequent construction of Phase III of the Haiyang Nuclear Power Project. The nuclear island base slab of this unit is a raft foundation shared by Zone 5 of the reactor building, auxiliary building and annex building, adopting a cast-in-place reinforced concrete structure. The pouring operation was carried out in four stages and organized as a one-time monolithic pour. Shandong Nuclear Power, together with the supervision, general contracting and construction units, established a dedicated organizational structure to implement safety and quality management throughout the pouring process. The project team, drawing on experience feedback from Phase II, optimized construction organization and process interfaces to ensure continuous pouring of mass concrete.

2026-11-04

Construction of Phase III of State Power Investment Corporation's Shandong Haiyang Nuclear Power Project Begins

Recently, Phase III of the Shandong Haiyang Nuclear Power Project under State Power Investment Corporation (SPIC) reached a major milestone as the first concrete was officially poured (FCD) for the nuclear island of Unit 5, marking the full-scale commencement of construction of the Phase III project. As a key project in the national 15th Five-Year Plan, Phase III of the Haiyang Nuclear Power Project plans to build Units 5 and 6, adopting the domestically produced CAP1000 Generation III passive pressurized water reactor technology. Through technological upgrades, the project has increased the rated electrical power of a single unit to 1.3 million kilowatts, and innovatively established a diversified equity structure with state-owned capital holding controlling shares and private capital participating as shareholders, becoming a typical demonstration of private capital participating in major national clean energy infrastructure. In terms of engineering construction, the nuclear island FCD of Unit 5 ...

2026-11-02

Hydraulic pressure test of containment penetration protection sleeves for Haiyang Nuclear Power Unit 3 in China succeeds on first attempt

Recently, the hydraulic pressure test of the containment penetration protection sleeves for the main steam and main feedwater pipelines of Haiyang Nuclear Power Unit 3 of State Power Investment Corporation (SPIC) Shandong Nuclear Power was completed, with all four sleeves passing the test on the first attempt. The protection sleeves are an important part of the containment pressure boundary and can safeguard the bellows expansion joints under abnormal pipeline conditions. It is understood that this test was relatively difficult. The sleeves had long been embedded in the containment, the original pipelines could not be damaged, and the on-site space was narrow, making it impossible to install the tooling. To address these challenges, the production preparation project team innovatively adopted the process of "removing the original guard plate + welding flanges to build a pressure chamber," and joined forces with the design institute and equipment manufacturer to form a special team, conducting multiple simulation verifications and reviewing...

2026-10-12

State Nuclear Electric Power Planning Design & Research Institute Co., Ltd. convened the first Party Committee (enlarged) meeting of 2026 and the second meeting of the 2026 Safety Production and Emergency Management Committee

On September 28, State Nuclear Electric Power Planning Design & Research Institute Co., Ltd. convened the first Party Committee (enlarged) meeting of 2026 and the second meeting of the 2026 Safety Production and Emergency Management Committee. Guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, the meeting thoroughly studied and implemented Xi Jinping Thought on Ecological Civilization and General Secretary Xi Jinping's important instructions and directives on safety production, fully implemented the relevant work requirements of the Group Company's Safety Production Deployment Enhancement and Third Quarter Safety Risk Control Meeting, comprehensively reviewed the work of the first three quarters, scientifically assessed the current safety development situation, and arranged and deployed key tasks for safety production and ecological environmental protection in the next stage. Wang Chengli, Secretary of the Company's Party Committee, Chairman, and Director of the Safety Committee...

2026-09-30

Mobilization Meeting for High-Quality Fuel Loading of Haiyang Nuclear Power Unit 3 Convened

On September 1, Shandong Nuclear Power organized a themed joint Party building learning session and the mobilization meeting for high-quality fuel loading of Haiyang Nuclear Power Unit 3. Centering on the goal of high-quality fuel loading for Unit 3, the meeting further unified understanding, clarified responsibilities, and promoted the safe, orderly, and high-quality implementation of fuel loading preparations, laying the foundation for the subsequent commissioning of the Phase II project of Haiyang Nuclear Power. The meeting conducted a themed joint Party building learning session. The Haiyang Project Department of Shanghai Nuclear Engineering Research and Design Institute (SNERDI), the Commissioning Center of SNERDI, China Nuclear Industry Fifth Construction Co., Ltd., and Jiangsu Electric Power Construction No. 3 Engineering Company respectively reported on the fuel loading preparation status of Unit 3. Participants discussed topics including Party building leading project breakthroughs and ensuring high-quality fuel loading of Unit 3. The meeting also commended...

2026-09-02

SPIC Haiyang Nuclear Power Unit 3 Hot Functional Test Successfully Completed

At 17:30 on August 13, the hot functional test (HFT) of Unit 3 at SPIC Shandong Nuclear Power Haiyang Nuclear Power Plant was successfully completed, laying a solid foundation for subsequent fuel loading and first grid connection of the unit. ▲Aerial view of Shandong Nuclear Power Haiyang Nuclear Power Plant. The hot functional test is the most critical non-nuclear comprehensive verification phase before nuclear fuel loading, often referred to as the "final exam" or "mock exam" before a nuclear power plant officially generates electricity. By executing a series of tests simulating actual operating conditions within the pressure and temperature ranges of normal reactor operation, it comprehensively verifies the reliability of nuclear island and conventional island systems and equipment under hot operating conditions, ensuring that relevant parameters meet design requirements. ▲On July 4, during the normal residual heat removal system (RNS) test at the heat-up platform of the hot functional test...

2026-08-15

Installation of Spacer Dampers Begins on Offshore Section of Haiyang Xin'an Nuclear Power Transmission UHV Project

On July 28, the installation of spacer dampers was fully initiated on the offshore section of the 1000 kV Haiyang Xin'an Nuclear Power Transmission UHV Project, marking the final critical phase of the world's first UHV project dedicated to nuclear power transmission. This project is China's first UHV project involving offshore construction. It starts from Xin'an Town, Haiyang City, Yantai, and ends at Tuanwang Town, Laiyang City, Yantai, with a total length of 80.36 km. It is constructed with double-circuit lines and a total of 161 towers. The project commenced in June 2025 and is scheduled for completion and commissioning in October 2026. Prior to this, the Yanwei UHV Project had successfully achieved loop closure, connecting the nation's first provincial-level UHV double-ring network in Shandong. The Haiyang Xin'an Nuclear Power Transmission Project is a key node of this double-ring network...

2026-07-30

All non-destructive testing of the nuclear island main coolant piping and surge lines for Haiyang Nuclear Power Units 3 and 4 has passed inspection.

Recently, the Haiyang Nuclear Power Project—undertaken by China Nuclear Industry Fifth Construction Co., Ltd. (CNI5)—achieved another milestone: the final weld joint of the Unit 4 surge line passed ultrasonic testing (UT). This marks the successful comple

2026-07-27