Melfrance Capulong, speaking for the NGCP, said power was restored at about 9:30 a.m. in the provinces and cities of the Davao region, General Santos, Zamboanga, Pagadian, Cagayan de Oro and parts of Misamis Oriental.
Power in Kidapawan City, host of Mt. Apo geothermal power plant, was restored at 11 a.m.
Capulong said as of Thursday afternoon that the NGCP was still determining what triggered the power interruption at the Mindanao grid at 3:53 a.m. Thursday.
Ivy Henson, speaking for the Energy Development Corporation, which runs the Mt. Apo geothermal plant, said prior to the grid disturbance that affected most of Mindanao, the plants were operating normally at base-load capacity.
As of early afternoon on Thursday, the geothermal plants in Kidapawan City have been operating on household capacity and awaiting go signal from NGCP to go back on line, Henson said.
At 11:20 a.m., Henson said the EDC’s Mindanao 2 geothermal plants were running and supplying 14 megawatts to the Mindanao line.
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