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Grid infrastructureSouth KoreaEIR-2811

Transformer fire injures three workers in Gyeongju, South Korea

Nov 2026Published 7 Nov 2026Responsible editor: Chief Editor

Companies named in the reporting of this entry (being named is not a finding of fault): Korea Electric Power

At about 10:03 on 7 November 2026, a fire broke out at a roadside transformer near the Terminal Intersection in Sajeong-dong, Gyeongju, North Gyeongsang Province. A Korea Electric Power Corporation (KEPCO) official reported that the transformer had exploded. Three workers were injured and taken to hospital. According to the report, KEPCO's internal fire response extinguished the fire in about ten minutes. The Gyeongbuk Fire Headquarters was dispatched after the report. Police are questioning KEPCO officials and others to establish the cause.

Not yet established. Fire authorities suspect the transformer exploded while workers were replacing it. The police investigation is ongoing.

  1. Isolate, verify de-energisation and earth a transformer fully before any disconnection or replacement work begins.
  2. Check for residual stored energy and pressure in oil-filled equipment before opening or removing connections.
  3. Keep a trained internal fire response available at roadside sites and report incidents to the fire service promptly.

More lessons on electrical protection and isolation, fire suppression and firefighting, from every incident on the register.

Published 2026-11-07. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.

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Chart to reuse with this story: Grid infrastructure incidents by year, free with a credit (PNG).

Grid infrastructure incidents in South Korea: 4 entries, with a free alert for the next one.

Substation and transformer fires: the counts, the latest entries and a free alert for the next one. Also: transformer explosions.

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