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The National Grid Corporation of the Philippines (NGCP) has declared a yellow alert for the Visayas grid, effective from 5 p.m. to 8 p.m. today.
This alert comes as multiple power plants are offline, leading to concerns over meeting peak demand.
Power Supply and Demand Imbalance
26 plants are on forced outage while 16 others are running on derated capacities for a total of 1,055.8 MW unavailable to the grid.
National Grid Corporation of the Philippines
During this period, peak demand is anticipated to reach 2,327 megawatts (MW), while the total available supply is only at 2,478 MW.
- Major coal plants affected include Therma Visayas Inc. Unit 1 and Unit 2
- Kepco SPC Power Corporation Unit 1, and Cebu Energy Development Corp. Unit 1 are also offline
- TPC Coal has been in emergency shutdown since August 2
The yellow alert indicates that the operating margin is not enough to satisfy the transmission grid's contingency requirements.