MANILA, Philippines — Consumers in Luzon may see an increase in their power bills this month as the electricity prices traded at the spot market surged by 51.2 percent to P7.83 per kilowatt-hour (kWh). On Wednesday, Independent Electricity Market Operator of the Philippines’ (IEMOP) data showed that Luzon’s supply dipped by 0.9 percent to 14,972 megawatts