TNPSC Thervupettagam

Jellyfish disrupt Nuclear Plants

August 20 , 2025 17 hrs 0 min 13 0
  • Jellyfish swarms blocked the cooling water intake pipes, leading to a temporary shutdown of one of France’s major nuclear power plants.
  • These plants rely on a continuous flow of seawater to cool their reactors and turbines.
  • Jellyfish blooms can quickly block by clustering in massive numbers.
  • Dead jellyfish can turn into a gel-like substance that passes through screens and damages internal systems.
  • Cleaning jellyfish from intake pipes is a difficult and risky process that can take up to two days.
  • Since the 1990s, jellyfish have increasingly disrupted nuclear plants worldwide.
  • Climate change has warmed ocean waters, accelerating jellyfish reproduction and increasing their food supply.
  • Overfishing and plastic pollution have further boosted jellyfish populations by removing predators and providing breeding grounds near coastlines.

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