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Fessenheim Nuclear Decommissioning

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French government authorizes complete decommissioning of Fessenheim nuclear power plant in Haut-Rhin. Decommissioning scheduled for completion by June 30, 2048, conducted in four stages. Nuclear Safety Authority issued favorable opinion on January 29, 2026. EDF plans radioactive metal recycling facility opening in 2031.

1 reported locations
Geography of the reported facts
  1. Fessenheim, Haut-Rhin, France

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2026-08-18 to 2026-11-15 · UTC publication dates

Coverage begins 3 May, 11:36 UTC

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What happened

The facts
  1. Nuclear safety authority issues favorable opinion on Fessenheim decommissioning

    The French Nuclear Safety and Radioprotection Authority (ASNR) issued a favorable opinion on January 29, 2026, supporting the decommissioning plan for Fessenheim. This positive assessment preceded and enabled the government's official authorization through the May 1 decree.

    1 corroborating report

  2. Fessenheim nuclear plant closed in 2020

    The Fessenheim nuclear power plant, located in Haut-Rhin, France, was closed in 2020. Following the shutdown, several years were dedicated to fuel withdrawal and preparatory decommissioning operations before the formal authorization of complete decommissioning was granted in 2026.

    1 corroborating report

  3. French government authorizes complete decommissioning of Fessenheim nuclear plant

    The French government published a decree on May 3, 2026, in the Official Journal authorizing EDF to completely decommission the Fessenheim nuclear power plant in Haut-Rhin. The decree, dated May 1 and signed by the Prime Minister, Minister of Economy, and Minister of Energy, sets the operational modalities and timeline for decommissioning, including the sensitive nuclear island components such as reactor buildings 1 and 2, as well as conventional facilities. The decree prescribes EDF to carry out the decommissioning operations, defines the stages, and authorizes creation of necessary equipment.

    1 corroborating report

  4. Fessenheim decommissioning scheduled for completion by June 30, 2048

    The decommissioning of Fessenheim nuclear plant will be completed in four stages: decommissioning itself, decontamination of structures and soils, demolition of buildings to a depth of at least one meter, and site rehabilitation. The operations must be completed by June 30, 2048. Gaseous, liquid, and radioactive effluent releases, particularly during draining of reactor and fuel building pools, will be subject to strict control as specified in the decree.

    1 corroborating report

  5. EDF plans radioactive metal recycling facility at Fessenheim site

    EDF plans to establish a facility for recycling weakly radioactive metals near the Fessenheim site by reusing auxiliary buildings from the former nuclear plant. The facility is projected to open in 2031, generating regional tensions and concerns among local residents about continued nuclear activities at the location.

    1 corroborating report

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