(Eagle News)—The National Grid Corporation of the Philippines  hoisted red and yellow alerts over the Luzon grid on Monday, April 29. The NGCP said the red alert, which means there is a generation deficiency, is in effect from 1 p.m. to 4 p.m. The yellow alert, on the other hand, is in effect from 9 a.m. to 1 p.m., 4 p.m. to 5 p.m., and 6 p.m. to 9 p.m. The alert means reserve levels […]