A red alert status is issued when the power supply is insufficient to meet consumer demand and the transmission grid’s regulating requirement. A yellow alert, meanwhile, is issued when the ...

In an advisory, the NGCP said that the red alert started at 5 a.m. and will extend until 9 p.m. The high alert status was caused by reduced output from Mindanao to Visayas (or the Mindanao-Visayas ...