TACLOBAN CITY – Power has been fully restored in Eastern Visayas after the devastating 6.9 magnitude earthquake that struck Bogo City, Cebu, on Tuesday night, October 1, and was felt across the region, the National Grid Corporation of the Philippines (NGCP) announced.
In an advisory, NGCP reported that the Leyte-Samar sub-grid was completely restored by 7:12 p.m., ensuring stable electricity supply in the region despite several transmission lines in other parts of the Visayas remaining out of service.
The earthquake had earlier forced four power plants to shut down, cutting off 348.2 megawatts from the supply. On the transmission side, the Tabango-Kananga 230kV Line 1 was restored at 9:18 p.m., but other major lines remain offline, including the Daanbantayan-Tabango and Daanbantayan-Compostela 230kV Lines, as well as the Leyte-Luzon 350kV High Voltage Direct Current (HVDC) Line.
The Visayas grid was briefly placed on yellow alert after reserves fell below the required level. This was lifted at 9:00 p.m. once available capacity reached 2,239 megawatts against a peak demand of 1,950 megawatts.
A yellow alert is declared when the operating margin is insufficient to meet the contingency requirements of the transmission grid.
NGCP assured that transmission services in the Visayas grid are now under normal operations, with restoration work continuing on remaining affected facilities.
(JOEY A. GABIETA)
