The Unwelcome Guest: Jellyfish Infiltrate France's Nuclear Power Plants A massive influx of jellyfish has forced Electricite de France SA to shut down three units at its Gravelines nuclear power plant and reduce output at a fourth, crippling 3.
2 gigawatts of capacity in the process. The irony is not lost: while humans struggle to adapt to an increasingly unforgiving climate, nature seems determined to assert its own influence on our lives.
Jellyfish swarms have invaded France's coastal nuclear power plants before – last year, Gravelines faced similar problems when filter drums were clogged by their presence.