‘Yellow alert’ up in Luzon Grid
due to inadequate power supply

June 21 2016 2:10 PM

Image from FreeImages.com/Ranier Berg
Image from FreeImages.com/Ranier Berg

(UPDATED as of 2:10 p.m., PH time) The Luzon Grid is on yellow alert due to insufficient power supply , the National Grid Corp. of the Philippines (NGCP) said on Tuesday, June 21.

In a post on Facebook, the NGCP said the yellow alert began at 11 a.m. and was expected to stay until 4 p.m.

The NGCP has warned consumers of possible power interruptions.

As of 10:30 a.m., the NGCP projected an available capacity of 10,170 megwatts (MW), with a peak demand of 8,958 MW.

The Manila Electric Co. (Meralco), the power distributor in Metro Manila and nearby provinces, also declared a yellow alert from 10:00 a.m. to 11:00 a.m., as well as from 1:00 p.m. to 3:00 p.m., according to a radio report.

It said power reserves at present were lower than the capacity of the largest running plant — Sual Units 1 and 2, at 647 megawatts each.

Not generating power are GN Power 1 (302 MW), SLPGC 1 (140MW), and Angat Main 2 (50MW), while Pagbilao 2 (382 MW) and Kalayaan 3 (180 MW) are shut down for scheduled maintenance.

Meralco said Calaca 1 (180 MW out of 200 MW) and Malaya 2 (150 MW out of 350 MW) have limited output.

To avoid power outages, users of airconditioning units are advised to place their thermostats on 25 degrees Celsius. Residents are also advised to close their refrigerators properly, and to remove plugs of unused appliances from power sockets.

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