What happened

A short circuit caused fire and smoke in a high-voltage distribution panel at Equinor's Mongstad refinery. Non-essential personnel were evacuated and the processing facility was shut down. No injuries were reported. Havtil found four regulatory non-conformities and two improvement points but did not publicly quantify the outage duration or production loss.

When cited sources give different casualty, damage or spill figures for this event, they’re reported side by side above rather than merged into one number. See how confidence levels work.