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Three reactors at France's largest nuclear power plant halted due to jellyfish

The Gravelines nuclear power plant in France has taken several reactors offline due to jellyfish invasions.

11 August 2026Tagblick Newsdesk

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Archive photo: Three reactors at France's largest nuclear power plant halted due to jellyfish — Archive photoPhoto: Oeko-Institut e.V. · Flickr · BY-SA

According to Украинская правда, the operation of three reactors at the Gravelines nuclear power plant in France has been suspended. The reason for this is jellyfish, which are disrupting the cooling water supply, leading to a reduction in the plant's output.

The Insider reported that currently only a quarter of the plant's total capacity is available. This situation could impact the energy supply in the region, as Gravelines is one of the largest power plants in France.

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