Heatwaves and Jellyfish Are Causing the Grid to Wilt

SciencePost

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Recently, the Gravelines nuclear power plant was shut down, with jellyfish saturating water filtration systems. Obviously, this incident involving one of France's largest nuclear power plants is a very rare phenomenon. The entire shutdown reactors Launched into service in 1980, the nuclear power plant [...]

Science-et-vie.com

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A French power plant shutting down due to jellyfish The Gravelines nuclear power plant, located in the north of France near Dunkirk, experienced an unexpected start to the week. Indeed, a swarm of jellyfish caused the shutdown of the largest nuclear power plant in Western Europe (six reactors each with a capacity of 900 megawatts), by infiltrating the water intake systems used for cooling reactors located by the sea.

Journal du Geek

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The Gravelines power plant was shut down by an invasion of jellyfish on the weekend of 9 August. The reactors are now starting to restart, after a well-negotiated latency period that did not impact the power grid.

L'EnerGeek

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On Sunday evening, a surprising event, to say the least, put a severe brake on the operation of the Gravelines nuclear power plant. Located in the North of France, near Dunkirk, this plant has six pressurized water reactors and is one of the largest in the country – in fact, it is the largest in Western Europe. In 2024, it supplied between 60% and 70% of the electricity consumed each year in the Hauts-de-France region. But here, a real invasion …