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Keyword：reactor restart
South Korea Approves Restart of Shin-Kori Unit 1
The Nuclear Safety and Security Commission (NSSC) of South Korea announced on August 21 that it has approved the restart of Shin-Kori Unit 1, located in Ulju County, Ulsan. The unit has been under routine inspection since July 2. On the same day, the commission approved the unit to reach criticality. Criticality refers to the state in which a sustained nuclear fission chain reaction can be maintained within the reactor core, with a balanced neutron population. Once criticality is achieved, the reactor can gradually resume operation under safely controlled conditions. The NSSC stated that this routine inspection involved 98 inspection items required before the reactor could reach criticality, of which 86 have been completed, confirming that the unit meets the conditions for safely achieving criticality.
2026-08-22
Japan's Nuclear Power Revival Enters Supply Chain Rebuilding Phase, with Spent Fuel and Engineering Capacity as Key Constraints
As Japan advances energy security, reduces dependence on fossil fuel imports, and expands low-carbon electricity supply, the focus of the country's nuclear power market is shifting from mere reactor restarts to a comprehensive supply chain rebuild covering manufacturing, operations and maintenance, life extension, fuel cycle, and waste management. GlobalData estimates Japan's nuclear power generation at 101.0 TWh in 2025 and projects it to increase to 123.3 TWh by 2035. Japan's policy target is to maintain nuclear power at approximately 20% to 22% of the electricity generation mix. Based on total annual electricity demand of approximately 1,050 TWh, a 20% nuclear share corresponds to about 210 TWh, while a 22% share corresponds to about 231 TWh. Compared with the 2025 nuclear generation figure of 101.0 TWh, the estimated gap is approximately 109 TWh to 130 TWh.
2026-08-18