The French nuclear industry is in its “worst situation ever” because of a spate of plant closures in France and the complexities it faces with the UK’s Hinkley Point C power station, according to a former Électricité de France director. Gérard Magnin, who called Hinkley “very risky” when he resigned as a board member over the project in July, told the Guardian that with more than a dozen French reactors closed over safety checks and routine maintenance, circumstances for the state-owned EDF had deteriorated since he stepped down. The closures have seen Britain this week exporting electricity to France for the first time in four years. An industry report on Tuesday also warned that the offline reactors could lead to a “tense situation” for energy supply in France, in the event of a cold snap this winter. The situation is likely to be exacerbated by damage during Storm Angus to the main cable that carries electricity back and forth between the UK and France. It is believed a boat dropping anchor during the storm may have been responsible but National Grid is investigating the cause and working to repair the Interconnexion France-Angleterre, which is buried in the seabed and heavily armoured.