Corruption crackdown in supply process . FEBRUARY 15, 2013 05:41. . At the nuclear power plant in Yeonggwang, South Jeolla Province on Thursday, the Korea Hydro & Nuclear Power, the state-run operator of nuclear power plants, hosts a briefing session on an equipment-trace system for nuclear reactors in an attempt to prevent corruption in the supply process. Workers demonstrate how to check data on equipment, such as serial numbers, by using portable readers.