Electricite de France has been forced to scale back electricity production at its Gravelines nuclear power plant after a massive swarm of jellyfish clogged cooling systems, Bloomberg reported on Thursday, citing grid data.
The latest disruption began on Wednesday and has affected at least three reactors at the six-unit site in northern France. Four reactors with a combined capacity of 3,600 megawatts were fully offline as of 1 p.m. on Thursday, while output at two others was reduced.
The situation could be compounded by industrial action. Workers are due to begin a strike on Friday at EDF's separate Chinon nuclear plant in central France, potentially adding another source of uncertainty for nuclear output.
EDF did not immediately respond to a request for comment from.
(Market Chatter news is derived from conversations with market professionals globally. This information is believed to be from reliable sources but may include rumor and speculation. Accuracy is not guaranteed.)