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S. Korean nuclear reactor halts operations due to malfunction
SEOUL, Jan. 17 (Yonhap) -- A nuclear reactor at a South Korean nuclear power plant stopped operating Thursday due to what plant operators there called a problem with the reactor's energy system.

   The officials from the Korea Hydro & Nuclear Power Co., however, said there was no immediate danger of any radiation leak at the Uljin Nuclear Power Plant.

   The Uljin-1 reactor at the plant, located 330 kilometers southeast of Seoul, was shut down at 11:15 a.m. An investigation was currently under way to identify the exact cause of the problem, they said.

   This is the second time in less than six months the Uljin-1 stopped operating due to problems.

   The Uljin-1 is a pressurized water reactor with a generation capacity of 950,000 kilowatts. It has been operating since September 1988. The Uljin power plant houses five other reactors, aged between 12 years to 30 years.

   South Korea currently operates 23 nuclear reactors that supply about 30 percent of its total electricity consumption. It plans to increase the number of reactors to 33 in 2020 and 39 in 2030.