Visayas grid red alert up, rotational brownouts expected admin 1 hour ago Lotery Comments Off on Visayas grid red alert up, rotational brownouts expected 2 Views The National Grid Corporation of the Philippines (NGCP) on Wednesday, May 13 issued a red alert status in the Luzon and Visayas grids. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share Facebook Twitter Stumbleupon LinkedIn Pinterest