Visayas grid still on red, yellow alert on Thursday, Oct. 29

MANILA, Philippines — The Visayas Grid will still be on red and yellow alerts on Thursday, Oct. 29, said the National Grid Corporation of the Philippines (NGCP).

In an advisory, the NGCP said the Visayas Grid will be placed under red alert from 5 p.m. to 6 p.m.

READ: NGCP: Mindanao reserves may run out by 2028

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However, it will first be placed under yellow alert from 3 p.m. to 5 p.m. and then later from 6 p.m. to 9 p.m.

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According to the NGCP a red alert is issued when power supply is insufficient to meet consumer demand and the grid’s regulating requirement, while a yellow alert means the operating margin is insufficient to meet the grid’s contingency requirement.

To note, the NGCP said the visayas grid’s current available capacity is only at 2,408 megawatts (MW), while its peak demand exceeds this at 2,555MW.

Among the factors cited by the NGCP that contributed to the alert declaration is the unavailability of Visayas’ large coal plants TVI 1, TVI 2, and KSPC 1, as well as the limited power imports from Mindanao due to the planned outages of GNPK 4 and TSI 2.

The NGCP also noted that 10 plants have been on forced outage since October, two more since September, three since August, one plant since June, three plants since May, three other plants since 2025, another one since 2024, two plants since 2023, and one plant since 2021.

Meanwhile, 18 plants are running on derated capacities, for a total of 796MW unavailable to the grid. /jpv