MANILA, Philippines — National Grid Corp. of the Philippines (NGCP) raised red and yellow alerts in Luzon and Visayas for the third straight day today, April 18, due to the unavailability of several power plants.
In an advisory, NGCP said a red alert status will be up in the Luzon grid from 3 p.m. to 4 p.m. and 8 p.m. to 10 p.m.
Before that, the Luzon grid will be placed under yellow alert from 1 p.m. to 3 p.m., 4 p.m. to 8 p.m., and from 10 p.m. to 11 p.m.
Likewise, a yellow alert status will be up in the Visayas grid from 1 p.m. to 9 p.m.
NGCP said a red alert status is issued when the power supply is insufficient to meet consumer demand and the transmission grid’s regulating requirement.
A yellow alert is issued when the operating margin is insufficient to meet the transmission grid’s contingency requirement.
READ: Luzon and Visayas grids placed under yellow, red alert
According to NGCP, 1,891.3 megawatts of supply is unavailable to the Luzon grid as 19 power plants are on forced outage while one is running on derated capacity.
In Visayas, 13 power plants are on unscheduled shutdown while nine others are running on derated capacities. A total of 696.7 MW is unavailable to the grid.
NGCP said demand in Luzon will peak at 12,892 MW while the available capacity is 13,397 MW while in the Visayas, the available capacity is 2,662 MW, and peak demand is 2,465 MW. With a report from Luisa Cabato