Mindanao power back

National Grid Corp. of the Philippines on Friday restored power in portions of Western Mindanao.

National Grid’s initial investigation showed that trees and vegetation planted along the Baloi-Aurora 138-kV transmission line in Taytay, Ditucalan, Iligan City, in clear violation of the company’s right-of-way policy, breached the recommended safety clearance and caused the line to trip at 9:35 a.m.

The company said the line tripping resulted in power interruptions affecting the entire Zamboanga Peninsula as well as Misamis Occidental, and parts of Lanao del Norte.

National Grid said it had to abort the maintenance shutdown of a second line delivering power to Zamboanga Peninsula, the Agus 5-Aurora 138-kV line, to bring back the power immediately to the affected areas.

The Agus 5-Aurora 138-kV line was energized at 11:02 a.m, restoring power to Zamboanga Peninsula.

The Baloi–Aurora 138-kV line, meanwhile, was energized at 1:13 p.m. after trees and vegetation that caused the fault were cleared. 

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