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South Korea greenlights operation of Saeul-3 nuclear reactor

(MENAFN) South Korean authorities have approved the operation of the Saeul-3 nuclear reactor, paving the way for its commercial service to begin in 2026. The newly authorized facility is a domestically developed APR1400 reactor situated at the Saeul Nuclear Power Complex in the southeastern city of Ulsan, according to official statements.

Construction of the reactor started in 2016, and it is now set to enter a six-month pilot operation phase before full commercial use. During this period, the unit will undergo extensive testing to verify operational readiness and safety performance.

Officials overseeing nuclear regulation said the approval followed a comprehensive review process. “In accordance with legal procedures and on scientific and technological grounds, we have thoroughly inspected the safety of the Saeul-3,” said Choi Won-ho, chairperson of the Nuclear Safety and Security Commission. He added: “We plan to continue strictly checking safety through pre-use inspections during nuclear fuel loading and the test-run process.”

The green light was issued roughly two weeks after regulators delayed a final decision during an earlier meeting, opting for additional scrutiny before granting approval.

Saeul-3 is notable for being the country’s first nuclear reactor engineered to withstand potential aircraft impacts. It also features long-term spent fuel storage capacity, allowing it to safely contain used nuclear fuel for up to six decades—sufficient to accommodate all fuel generated throughout the reactor’s operational lifespan.

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