The Visayas and Mindanao power grids were placed under red and yellow alerts on Thursday, September 10, as available power capacity came under pressure during peak demand periods.
As of 8 a.m., the Visayas Grid was placed under red alert from 2 p.m. to 9 p.m., with yellow alerts issued from 1 p.m. to 2 p.m. and 9 p.m. to 10 p.m. The grid had an available capacity of 2,205 megawatts (MW) against a peak demand forecast of 2,460 MW.
The Mindanao Grid was initially placed under yellow alert from 1 p.m. to 4 p.m. and 5 p.m. to 7 p.m., with an available capacity of 2,724 MW against a peak demand of 2,552 MW.
By the 1 p.m. update, however, the Mindanao Grid was placed under red alert from 5 p.m. to 6 p.m., while yellow alerts were issued from 1 p.m. to 5 p.m. and 6 p.m. to 9 p.m. Its available capacity was recorded at 2,631 MW, compared with a peak demand of 2,561 MW.
The Department of Energy said it is coordinating with the Independent Electricity Market Operator of the Philippines (IEMOP), National Grid Corporation of the Philippines (NGCP), Energy Regulatory Commission (ERC), generation companies, and other industry stakeholders to expedite the safe restoration of affected facilities.
The DOE said it is also implementing available measures to stabilize the grids and protect consumers while closely monitoring developments and providing updates to the public.
A red alert indicates that the available capacity is insufficient to meet the grid’s contingency requirement, while a yellow alert means the available capacity is below the required contingency reserve.
