Visayas grid back on yellow alert
MANILA, Philippines – The Visayas grid continues to hang by a thread as several power plants remain offline, prompting the grid operator to place it under yellow alert again during evening peak hours.
In an advisory, the National Grid Corporation of the Philippines (NGCP) said the yellow alert will be in effect from 5 p.m. to 8 p.m. on July 10.
READ: Visayas power woes highlight need for gridwide upgrade
As of 8 a.m., the grid had 2,548 megawatts (MW) of available capacity against a projected peak demand of 2,334 MW
NGCP attributed the alert to the continued unavailability of the TVI 1 and TVI 2 large coal-fired power plants, the recent outage of the 135-MW PCPC plant and a forecast of high electricity demand.
It added that 11 power plants have been on forced outage this month, alongside units that have remained offline since previous months and years. Another 15 plants are operating at derated capacities, leaving a total of 971.7 MW unavailable to the Visayas grid.
READ: Visayas grid slips back into red alert
The grid operator declares a yellow alert when the operating margin falls below the transmission grid’s contingency requirement, signaling tighter-than-normal power supply without necessarily causing power interruptions. /pai INQ
