NGCP: Luzon, Visayas on yellow alert on Thursday, April 25

MANILA, Philippines — The National Grid Corporation of the Philippines (NGCP) placed Luzon and Visayas grids under yellow alert for several hours on Thursday as over 40 power plants were unavailable. According to the grid operator, a yellow alert is issued “when the operating margin is insufficient to meet the transmission grid’s contingency requirement.” READ: Read The Rest at :