GLOBEALERT
Disaster● ElevatedAug 11 · Aug 11, 2026, 12:51 PM

Jellyfish force shutdown of 3 reactors at French nuclear power plant

GlobeAlert Desk · curated from South China Morning Post

A nuclear plant in northern France shut down three reactors after a swarm of jellyfish clogged pumps used to cool the units, energy group EDF said on Tuesday. Three reactors were taken offline on Monday and output at a fourth was cut by half, EDF said in a statement, leaving just one operating at full capacity. A sixth reactor was already offline for scheduled maintenance. “This situation has no impact on the safety of the facilities, the safety of personnel, or the environment,” EDF...

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2 Elevated

Scored from severity, scale, escalation potential and source agreement. Below the alert threshold.

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1 publisher

Single-source so far. Treat details as unconfirmed until more publishers report.

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Disaster

Not flagged as developing.

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Jellyfish force shutdown of 3 reactors at French nuclear power plant · GlobeAlert