Exelon shuts New Jersey 614-MW Oyster Creek nuclear reactor

July 8 (Reuters) - Exelon Corp's 614-megawatt Oyster Creek nuclear power plant in New Jersey commenced a plant shutdown on Monday night for maintenance of safety equipment that operates valves located inside the drywell, the company said in a statement. The statement did not provide any timeline for the work at the reactor or any tentative return date. ---------------------------------------------------------- PLANT BACKGROUND/TIMELINE STATE: New Jersey COUNTY: Ocean TOWN: For