NGCP warns of power interruption in Luzon due to low electricity supply

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The National Grid Corporation of the Philippines (NGCP) has issued a warning of a series of power interruptions in Luzon on September 12 due to an insufficient supply of electricity caused by power plant outages.

In a post on Facebook, the NGCP warns that the Luzon Grid will have the following alert status:

  • Yellow Alert: 9:00AM – 1:00PM and 4:00PM – 9:00PM
  • Red Alert: 1:00PM – 4:00PM

Yellow Alert status means there will be low electricity supply, while Red Alert status means there is insufficient electricity supply. White Alert status means there’s ample supply of electricity.

According to Meralco, expect rotational brownouts during these times.

Meralco Rotational Brownouts

NGCP said that seven power plants are on a forced outage, while three are running on derated capacities, which caused a total of 3,627MW lost from the grid.

For Meralco customers, you can report brownouts or power outages via Facebook Messenger at

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