News Rotating Brownouts Hit Luzon and Visayas Amid Red Alert by Daniel Perez - News Editor May 13, 2026 by Daniel Perez - News Editor May 13, 2026 Luzon and Visayas Grids Under Red Alert as Power Supply Deficit Hits Major Regions The National Grid Corporation of the Philippines (NGCP) placed the Luzon and Visayas grids under red … 0 FacebookTwitterPinterestEmail