The Hanbit No. 3 reactor stopped generating power at 8:45 a.m. following the temporary shut down, Yonhap News reported, quoting officials at the state-run Korea Hydro & Nuclear Power Co., the plant operator. The plant is in Yeonggwang, about 200 miles southwest of Seoul.
"Currently, only the turbine has stopped its operation and we are working to identify the exact problem," an official said, adding there was no threat to the safety of the plant. The Hanbit 3 reactor has a generation capacity of capacity of 1 million kilowatts.
There are a total of 23 nuclear reactors in the country, but some of them are undergoing routine or special maintenance.