REUTERS/Denis BalibousePARIS, Dec 9 (Reuters) - France's state-controlled utility EDF said on Friday three of its nuclear reactors were "ramping up" production after repairs, while a power outage tested nerves in Paris and cold weather added to the strain on supplies across Europe. EDF (EDF.PA) is racing to get nuclear reactors back online following work to tackle corrosion problems as the whole of Europe struggles to cope with the impact on its energy supplies of the Ukraine war. Compounding the impact of disrupted energy imports from Russia, a record number of outages at EDF's 56-strong nuclear fleet has taken France's nuclear output to a 30-year low, increasing the country's reliance on other country's depleted energy reserves. Later on Friday, EDF Chief Executive Luc Remont and French Finance Minister Bruno Le Maire are due to hold a news conference at a nuclear site. POWER CUTSGrid operator RTE, however, says the country's power supplies will be stretched even if EDF manages to stick to its repair schedule, and partial load-shedding measures cannot be ruled out this winter on cold days.

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