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YG-NTC · 2026.06.18

Notice

2026.06.18 Maintenance

Seoul power feed transfer — completed

SEL-1

Feed B at SEL-1 was moved to new switchgear between 16:00 and 19:00 UTC on 18 June. Racks ran on feed A alone for two hours and eleven minutes, inside the design margin, and no generator start was required. No instance saw an interruption. The matching transfer on feed A is not yet scheduled; it will be posted here first.

Posted 2026.06.18 · the whole board · the availability commitment ← 2026.06.302026.06.05 →

Nothing is edited away

Every incident is published here whatever its size, planned work is announced at least seven days ahead, and a notice is corrected by a new notice that references it rather than by editing this one. The archive runs from 2026.02.02. Read all of it.