Manila, Sept. 9 -- A nine-hour red alert is in effect for the Visayas grid starting 1 p.m. to 10 p.m. Wednesday, while an eight-hour yellow alert is in effect for Mindanao from 1 p.m. to 9 p.m.

The National Grid Corporation of the Philippines (NGCP), in an advisory, said a yellow alert is also in place for the Visayas grid, from 10 p.m. to 11 p.m., as available capacity stood at around 2,124 megawatts (MW) while peak demand is expected to reach 2,555MW.

The unavailability of Unit 1 of Therma Visayas Inc. (TVI) and Unit 3 of the Panay Energy Development Corporation (PEDC), as well as the outage of TVI Unit 2 during the day and low electricity imports from Mindanao, are the primary factors behind the red alert in the Visayas, it said.

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