Partial Power Interruption Update — November 06, 2026 – 9:51 PM

SIGNIFICANT INCIDENT NOTICE
(information from TransCo)
Description of Outages:
Partial System Blackout (PSB) at Central Palawan
Date: November 06, 2026
Time of Incident: 9:51 PM
Probable Cause: Tripped 52-1IR4
Affected Area: Puerto Princesa Palawan except Lucbuan Substation, Resuma recloser, and Macasaet recloser
Remarks:
2300H – NPC gave clearance to test the affected transmission line span (No Fault Found)
2325H – 52-1IR4 manually closed. NPC Irawan-PALECO Substation 69kV T/L successfully energized.
Ongoing restoration.