(Eagle News)–The National Grid Corporation of the Philippines placed the Luzon and Visayas grids under red and yellow alerts on Tuesday, April 16. According to the NGCP, the red alert was up over Luzon’s grid from 2 p.m. to 4 p.m. and from 6 p.m. to 9 p.m. A yellow alert was hoisted from 1 p.m. to 2 p.m., 4 p.m. to 6 p.m. and from 9 p.m. to 11 p.m. The same yellow alert […]