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Gösgen Nuclear Plant restart delayed, negatively impacting Axpo earnings
22.08.2025 - The anticipated restart of the Gösgen Nuclear Power Plant (NPP) has been delayed by a further six months. This will negatively impact Axpo Group’s financial results.
Gösgen NPP announced today, that the expected restart of the plant is delayed for an additional six months, until the end of February 2026. The reason is the preparation and verification of documentation, which must be produced using new calculation methods for the feedwater system. As a result of the deferral, Axpo currently expects a reduction in earnings in the order of approximately CHF 150–170 million. This will be distributed across the two financial years 2024/2025 and 2025/2026. A reduction in electricity production of just under 1.9 TWh, proportional to Axpo`s share is also anticipated
As a minority shareholder, Axpo Group holds a total of 37.5 percent of the shares in Kernkraftwerk Gösgen-Däniken AG.
The Gösgen NPP was taken offline for the scheduled annual outage on 24 May 2025. According to a current assessment by the plant operator, operations should be able to resume at the end of February 2026, following review and approval by the Swiss Federal Nuclear Safety Inspectorate (ENSI).
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Axpo Holding AG
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