Korea carried out first curtailment for nuclear power

Korea’s energy authority briefly had lowered the output of two nuclear reactors, Shin Kori 3 and Shin Kori 4, on May 2. This is Korea’s first output curtailment of any nuclear reactor, which generally stays at 100% output. The adjustment was implemented to maintain the balance of the grid system during the long holiday Korea enjoyed in early May.

Source media E2 News pointed out that power supply exceeded demand during the holiday, even with 19,800MW of capacity under maintenance, due to high solar irradiance and lower power demand. The media quoted an expert saying nuclear reactors will experience curtailments more frequently due to increasing shares of renewable sources.

Source: E2 News

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