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Jellyfish shut three reactors at Europe’s largest nuclear plant

Jellyfish blocked cooling-water intakes and shut three reactors at Europe’s largest nuclear plant. Boats had reportedly been removing jellyfish offshore since June, and the same disruption occurred on the same August date the previous year.

By DoomRadar · Published on DoomRadar .

Why it matters

Repeated reactor shutdowns expose vulnerability in critical nuclear-power operations and could affect regional electricity availability.

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  1. Jellyfish that cannot swim against a current shut 3 reactors at Europe's largest nuclear plant on the same August date as last year, and boats had been hauling them offshore around the clock since June ↗ecoportal.net · Recorded source date: Aug 29, 2026, 3:31 PM UTC

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