Rappler
Visayas power grid placed on yellow alert after quake shuts 11 more plants
The Visayas power grid was placed on yellow alert on October 1, 2025, due to several power plants going on forced outage following a magnitude 6.9 earthquake in Bogo City, Cebu.
The yellow alert was in effect from 1 p.m. to 12 midnight, indicating insufficient operating margin to meet the transmission grid's contingency requirements.
A total of 27 power plants were on forced outage because of the earthquake, resulting in 1,444.1MW being unavailable to the grid.
An additional 16 power plants were already unavailable prior to the incident.
The Visayas grid had an available capacity of 1,888 megawatts against a peak demand of 1,839 megawatts during the alert period.
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