Millions of jellyfish threaten to shut down Israeli power plant. As with recent extreme weather events and other aberrant incidents in the natural world, the rise in jellyfish invasions could be tied to climate change: as sea temperatures rise, the cold-blooded animals grow more quickly. Jellyfish that blocked the water supply to the power station in Hadera, Israel, are removed. Workers at a power plant in Hadera, Israel, are battling a sticky problem jellyfish could shut down a turbine plant and cause rolling blackouts in Israeli cities.