Story perspectives

Jellyfish Swarm Halves Output at France's Nuclear Plant

9/4/2025

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Summary

Story summary

On September 3, 2025, a jellyfish swarm caused a 2.4 gigawatt output reduction at France's Paluel nuclear plant, leading to reactor number 4's shutdown.
Reactor number 3's output was also reduced as a precaution, nearly halving the plant's production.
Rising temperatures in the English Channel are contributing to increased jellyfish populations, posing risks to nuclear facilities.
EDF is conducting diagnostics and repairs to restore full reactor power.

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Story summary

On September 3, 2025, a jellyfish swarm caused a 2.4 gigawatt output reduction at France's Paluel nuclear plant, leading to reactor number 4's shutdown.
Reactor number 3's output was also reduced as a precaution, nearly halving the plant's production.
Rising temperatures in the English Channel are contributing to increased jellyfish populations, posing risks to nuclear facilities.
EDF is conducting diagnostics and repairs to restore full reactor power.