Manila, Sept. 11 -- The National Grid Corp. of the Philippines (NGCP) on Thursday announced a scheduled 12-hour power interruption affecting several towns in Albay.

In an advisory, NGCP said the outage would start at 6:30 a.m. to 6:30 p.m. on Friday, affecting areas under the service of Ligao and Polangui substations.

The interruption is due to NGCP's scheduled preventive and corrective maintenance on the Daraga-Ligao 69 kilovolt (kV) line.

Meanwhile, Albay Electric Cooperative (Aleco) will also utilize the outage period to conduct parallel activities, including distribution line relocation, pole retrieval near Polangui substation, replacement of defective pin insulators, and annual preventive maintenance of the Polangui substation.

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