More brownouts ahead: Luzon grid on red alert starting 9 a.m.


Posted at Jun 02 2021 08:16 AM | Updated as of Jun 02 2021 03:16 PM

CHARGE YOUR BATTERIES: Expect more brownouts ahead as the Luzon grid is placed on red alert status from 9 a.m. to 5 p.m. and 6 p.m. to 11 p.m. Wednesday, the National Grid Corporation of the Philippines said. 

The schedule for yellow and red alerts for the Luzon grid is as follows: 

Luzon grid status, 02 June 2021:

Yellow Alert 


Red Alert 


Operating Requirement: 11,976MW
Available Capacity: 11,260MW
Operating Margin Deficiency: - 716

NGCP head for external affairs Cynthia Alabanza earlier warned of more power interruptions in Luzon due to a lack of supply amid persistent hot weather.

"The problem right now is there's not enough power in the national grid so we have no choice but to raise a red alert, which in turn leads to the possibility of power interruption in various parts of Luzon," she told ABS-CBN News. 

In line with the low supply, the NGCP said power interruptions in the following areas could occur between 3 p.m. and 4 p.m.:

  • ISELCO II (parts of Isabela)
  • PANELCO III & CENPELCO (parts of Pangasinan)
  • TEI (parts of Tarlac City)
  • PENELCO (parts of Bataan)
  • BATELEC II (parts of Batangas)
  • APEC (parts of Albay)
  • MERALCO (parts of Metro Manila)

The Department of Energy on Monday said that other than the high heat index that has pushed demand for power, maintenance work and unscheduled outages at key power plants in Luzon and low gas pressure from the Malampaya gas field also contributed to power supply problems.

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