France experienced a record nuclear power deficit exceeding twenty percent. This significant shortfall resulted from environmental factors impacting production capacity. Drought and extreme heat reduced water needed for cooling nuclear reactors. A jellyfish invasion also forced shutdowns at the Gravelines nuclear power plant. These combined issues affected thirteen of France's fifty-seven nuclear reactors.

Three reactors at the Gravelines nuclear power plant in northern France were shut down late on Monday due to a massive swarm of jellyfish, triggering preventative measures put…

A nuclear plant in northern France shut down three reactors after a swarm of jellyfish clogged pumps used to cool the units, energy group EDF said on Tuesday.