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EDF Shuts Three Gravelines Reactors as Jellyfish Clog Cooling

8/28/2026

45 9 Full Breakdown

Summary

Story summary

EDF shut three reactors at Gravelines because jellyfish clogged the cooling system.
Units three, four and six remain offline as of 27 August 2026.
Units one and two operate at reduced power to deter further jellyfish intrusion.
A fourth reactor is closed for inspection after the jellyfish blockage.
EDF teamed with fishermen to capture jellyfish offshore and release them away from the plant.

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Story summary

EDF shut three reactors at Gravelines because jellyfish clogged the cooling system.
Units three, four and six remain offline as of 27 August 2026.
Units one and two operate at reduced power to deter further jellyfish intrusion.
A fourth reactor is closed for inspection after the jellyfish blockage.
EDF teamed with fishermen to capture jellyfish offshore and release them away from the plant.