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FULTON, Mo. – A glitch during refueling and maintenance has shut down Ameren Missouri’s nuclear plant in Callaway County. The utility reports the glitch is a non-nuclear operating issue related to the plant’s generator.

Ameren Missouri said the plant will stay offline while it investigates the cause and develops a plan to make sure the plant can safely return to normal. They said they don’t expect the shutdown to cause any disruption to customer service.