Cracks at South Korean nuclear plant raise safety concerns
Korea counts on nuclear energy for 30 percent of its electrical power, but critics are now demanding that the government rethink plans to build more.
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Moon Jae-in, candidate of the opposition Democratic United Party, and Ahn Cheol-soo, the entrepreneur who’s running as an Independent, have called for moving toward alternative energy sources, including wind and solar power. Mr. Ahn in particular has the strong support of Seoul’s liberal mayor, Park Won-soon, who’s demanded the shutdown of one nuclear plant as an initial step toward decreasing dependence on nuclear power.Skip to next paragraph
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The underlying problem, however, is that South Korea has virtually no oil or natural gas deposits and is running out of coal. Nuclear power has long been seen as the only way to meet the demands of a growing industrial economy. Hong Suk-woon, Korea’s knowledge and economy minister, warned of severe power cuts that might affect industry and individual consumers as a result of shutdown of the two Yeonggwang reactors.
'We cannot believe nuclear power plants are safe'
Critics of nuclear power, however, believe the risks are still too high. “We have to decrease our dependency on nuclear power,” says Mr. Lee, a former member of the International Atomic Energy Agency’s board of governors, warning that “corruption and safety matters” may eventually lead to a nuclear accident.
Others are still more critical. Yun Sun-jin, a professor who teaches courses on energy policy at Seoul National University, accuses the Korea Hydro Nuclear Power Corporation of placing higher priority on output with reduced emphasis on safety.
“They are decreasing the time for periodic overhaul of reactors,” she says. “They think a high operation rate means a more competitive strategy.”
She agrees with the view of the nongovernmental Korea Federation for the Environment that the government should shut down older plants and cancel plans to build new ones.
“We cannot believe nuclear power plants are safe,” says Yang-yi Won-young, in charge of the organization’s “nuclear phase-out” campaign. “The government says nuclear energy is the cheapest and cleanest, but they don’t take account of the cost of getting rid of nuclear waste.”
Jason Kim, deputy director of Korea’s nuclear safety commission, the regulatory agency, promises “an action plan” for investigating all of Korea’s nuclear reactors. “If we find some improper parts, we will shut down all those reactors,” Mr. Kim says. As for safety, he adds, “You don’t have to worry about that, there is no problem about safety.”
An official at the ministry of knowledge and economy listed 60 forged quality certificates since 2003 including more than 7,600 components, 98.4 percent of which, he says, were for the Yeonggwang plant. “These are noncore parts,” he says, including fuses, switches, and resistors that cannot be used for the core safety-related facility” and therefore “posing no threat of radiation leakage.”
The government, he adds, “will prepare and implement a comprehensive package of measures as soon as possible starting later this month to cope with the possible power shortages during this winter due to the shutdown.”