Gravelines Faces Jellyfish Invasion Again, Forcing Nuclear Shutdowns
TL;DR
Jellyfish swarms forced parts of the Gravelines nuclear plant offline on Aug. 11, 2026, repeating a 2025 disruption as several dozen tons clogged cooling pumps; EDF deployed cameras and patrol boats to monitor and prevent major influx, highlighting how warming seas are increasing biotic disruptions to France’s reactors.
- Swarming jellyfish overrun French nuclear plant on same date two years in a row politico.eu
- Jellyfish-hit French nuclear plant shuts down three reactors Reuters
- Jellyfish force shutdown of three reactors at French nuclear plant Le Monde.fr
- Jellyfish Swarms Knock Out 3.2 Gigawatts of French Nuclear Power Bloomberg.com
- Nuclear reactors shut down as swarm of jellyfish blocks filters The Times
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