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Unit 2 of Kola NPP begins 30-day scheduled preventive maintenance

On August 2, 2026, Unit 2 of the Kola Nuclear Power Plant launched scheduled preventive maintenance (SPM) incorporating modernization elements, expected to last approximately 30 days. During this mid-cycle overhaul, specialists will carry out extensive work on critical equipment. In the reactor shop, major repairs will be performed on part of the steam generators, main circulation pumps, and primary circuit piping. Plans also include disassembly and reassembly of the reactor plant, nuclear fuel replacement, and repair of the reactor internals and safety system equipment. In the turbine shop, turbine units, turbogenerators, circulation pumps, low-pressure heaters, and separators-superheaters will be repaired. On the electrical side, transformers and diesel generators will undergo maintenance. Additionally, upgrades are planned for the automatic chemical control system of the primary coolant and the DC power distribution panels for the entire station and individual units.

2026-08-04

Annual maintenance outage begins at Finland's Loviisa nuclear power plant, spanning August 2 to October 18

The annual maintenance of Finland's Loviisa nuclear power plant began on August 2. Energy company Fortum stated that this annual maintenance will be carried out from August 2 to October 18. During the maintenance period, several modernization projects related to extending the plant's service life will also be launched. The maintenance will first be carried out on Unit 2, followed by Unit 1. Fortum stated that while one unit is under maintenance, the other unit will continue normal power generation. The maintenance of Unit 2 is a large-scale annual inspection conducted once every eight years, which includes removing fuel from the reactor for inspection and pressure testing of the reactor vessel, as well as replacing...

2026-08-03

Units 3 and 4 of Dukovany Nuclear Power Plant to Undergo Joint Maintenance of Shared Systems

Dukovany Nuclear Power Plant staff will initiate a planned extended outage for Unit 4 on the evening of August 1, while Unit 3 will remain in its outage state. Both units will be offline simultaneously in August, and the plant will use this window to conduct comprehensive inspections, maintenance, and modernization of the shared facilities of Units 3 and 4. Bohdan Zronek, member of the Board of Directors of ČEZ Group and head of the nuclear energy division, stated that the simultaneous shutdown of Units 3 and 4 at Dukovany will place the plant under an intensive work schedule over the coming weeks. Experts from ČEZ and its suppliers will handle hundreds of tasks, and the effectiveness of the outage work depends on precise coordination across all stages. According to...

2026-08-01

Annual outage maintenance of Loviisa Nuclear Power Plant begins on August 2

Fortum, the Finnish state-owned energy company, announced that the annual outage maintenance of the Loviisa Nuclear Power Plant will commence on August 2, starting with Unit 2 and then transitioning to Unit 1. The maintenance is scheduled to continue until October 18. During this period, the two units will be taken offline for maintenance in rotation, with the other unit remaining in operation. As planned, Unit 2 will undergo a major annual overhaul conducted every eight years. During the maintenance, staff will unload the reactor fuel, inspect and pressure test the reactor pressure vessel, replace approximately one-quarter of the fuel, and complete a series of equipment maintenance and servicing tasks. Unit 1 will undergo a shorter routine annual maintenance, primarily involving fuel replacement and related maintenance work.

2026-07-30

Shidaowan Nuclear Power Company Successfully Completes Member Support Activity for Predictive Maintenance and Equipment Condition Monitoring

On July 24, Shidaowan Nuclear Power Company successfully completed the member support activity for predictive maintenance and equipment condition monitoring, laying the foundation for further optimizing the predictive maintenance and equipment condition monitoring management and technical systems of the High-Temperature Gas-Cooled Reactor (HTGR) Demonstration Project, and promoting the transformation and upgrading of the equipment management model. The member support activity, lasting five days, was organized by the Nuclear Power Branch of the China Nuclear Energy Association, aiming to leverage the expertise of industry experts to drive the transformation of the equipment management model of the HTGR Demonstration Project from breakdown maintenance and periodic maintenance to data-driven predictive management, thereby strengthening the foundation of nuclear safety and operational economy. The expert team for this activity was led by Chen Lunshou, former Deputy Chief Engineer of Sanmen Nuclear Power Co., Ltd...

2026-07-30