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2026 maintenance work completed at Russia's Kursk NPP

All 2026 maintenance work at Russia's Kursk NPP has been completed. In the final phase, the plant compressed the maintenance duration by 23.5 days, which is expected to increase electricity generation by approximately 500 million kWh. On August 27, 2026, Unit 4 of Kursk NPP returned to rated power operation after completing scheduled preventive maintenance with modernization upgrades ahead of schedule. The maintenance was completed 20 days ahead of the original plan while ensuring safety and quality. The main maintenance work this cycle was concentrated in the reactor building and turbine hall, including maintenance of multiple forced circulation loop equipment, the reactor emergency cooling system, the blowdown and cooling system, as well as Units 7 and 8...

2026-09-03

Russia's Kola NPP Completes 2026 Maintenance Program

Unit 2 of Russia's Kola Nuclear Power Plant was reconnected to the grid at 15:58 Moscow time on August 31, 2026, following the completion of scheduled preventive maintenance and partial modernization. This marked the conclusion of the plant's 2026 maintenance program. It was also the first time since the plant's commissioning that the annual maintenance plan was completed during the summer season. The maintenance of Unit 2 lasted 29.5 days. During this period, plant personnel and contractors performed medium repairs and related maintenance on key equipment, covering multiple areas including the reactor building, turbine hall, and electrical systems. In the reactor building, the scope of work included major repairs of some steam generators, main circulation pumps, and primary circuit piping, as well as nuclear fuel reloading, reactor assembly disassembly, and in-vessel component maintenance. In the turbine hall, workers completed repairs of the turbine-generator unit, circulation pumps, low-pressure heaters, and moisture separator reheaters. The electrical scope included repairs of transformers and diesel generators.

2026-09-02

Unit 1 of Russia's Kalinin NPP completes scheduled maintenance ahead of schedule

Unit 1 of Russia's Kalinin Nuclear Power Plant has been restored to rated power operation after completing equipment modernization and planned major overhaul. The unit was connected to the grid on August 27, 2026, with maintenance work completed two days ahead of the original schedule. Kalinin NPP is a nuclear power plant under Rosenergoatom, located in Udomlya, Tver Oblast, Russia. During this maintenance period, plant personnel and experts from Atomenergoremont completed nuclear fuel reloading, preventive maintenance of the reactor plant and turbine-generator unit, metal condition inspection of major equipment, and diagnostic testing of heat exchange tubes in 2 of the 4 steam generators, among other tasks...

2026-09-02

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