Jellyfish Cause Shutdown At France's Largest Nuclear Power Plant And In Western Europe, Affecting Four Reactors

Jellyfish Cause Shutdown At France’s Largest Nuclear Power Plant And In Western Europe, Affecting Four Reactors

Written by Felipe Alves da Silva

Published on 11/08/2025 at 20:17

Águas-vivas invadem estação de bombeamento de uma usina nuclear, causando paralisação de reatores.

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The Largest Nuclear Power Plant In France, Located In Gravelines, Had Its Operations Suspended On Monday (11) Due To The Massive Presence Of Jellyfish In The Water Pumping Stations. These Aquatic Animals Affected The Cooling System Of The Reactors, Forcing The Automatic Shutdown Of Four Of The Six Units Of The Plant.

The Gravelines Plant, The Largest In Western Europe, Shut Down Four Of Its Reactors After Jellyfish Entered The Stations Responsible For Cooling The Reactors. The Energy Group EDF, Which Manages The Plant, Reported That This Shutdown Aimed To Prevent The Risk Of Overheating Of The Facilities.

Despite The Interruption In Operations, EDF Assured That There Were No Consequences For The Safety Of The Facilities, Personnel, Or The Environment. The Shutdowns Were Carried Out In Accordance With The Automatic Safety Systems Of The Reactors.

Maintenance Teams At The Plant Are Mobilized To Carry Out The Necessary Diagnoses And Interventions, Aiming For The Reactivation Of The Production Units With Total Safety. EDF Did Not Specify When The Interrupted Units Could Be Restarted, But Reported That The Situation Is Being Monitored.

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Largest Nuclear Power Plant In Western Europe: The Gravelines Plant, With Its Six 900 MW Reactors, Is Responsible For A Significant Part Of The Energy In The Region. In Addition, An Expansion Of The Plant With The Construction Of Two New EPR2 Reactors Of 1,600 MW Is Planned By 2040.

The Information Was Released By The EDF Group, Which Clarified The Details Of The Incident In An Official Statement, With Additional Information From G1, Which Also Covered The Incident. EDF Is Also Working To Restore Normalcy In The Operation Of The Plant.

Jellyfish Cause Shutdown At France’s Largest Nuclear Power Plant And In Western Europe, Affecting Four Reactors

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