(Eagle News)–The National Grid Corporation of the Philippines has hoisted red and yellow alerts over the Luzon grid, a day after a 6.1-magnitude quake struck the area. The NGCP said the yellow alert, which means reserves are less than the power of the largest online plant, was in effect from 9 a.m. to 10 a.m. and  from 4 p.m. to 10 p.m. The red alert, on the other hand, which means a generation deficiency exists, […]