Energy chief probes outages in PH grids

Energy Secretary Sharon Garin ordered on Friday a full investigation into the massive transmission line trippings that triggered widespread power interruptions in Luzon and worsened supply conditions in the Visayas grid. Garin said the outage involved two major 500-kilovolt (kV) transmission corridors carrying roughly 12 percent of Luzon’s electricity supply. READ: Brownouts loom as NGCP