LIST: Rotational brownouts in Meralco service areas on June 2

Robie de Guzman   •   June 2, 2021   •   571

MANILA, Philippines — Parts of Metro Manila and other areas being serviced by the Manila Electric Company (Meralco) will experience rotational power interruptions on Wednesday as the power supply continues to remain low.

On its social media accounts, Meralcoj posted a tentative list of affected areas within its franchise between 11 a.m. to 1 p.m.:


  • Dasmarinas City
    Sampaloc II, Sampaloc I and Paliparan II
  • M. Alvarez
    Francisco De Castro, Francisco Reyes, Gregoria De Jesus, Nicolasa Virata (San Jose), San Jose and Tiniente Tiago
  • Silang
    Adlas, Biga I, Biga II, Biluso, Bucal, Lalaan II, Maguyam, Sabutan, San Vicente II and Silang Town Proper



  • Biñan City
    Biñan (Town Proper), Canlalay, Dela Paz, San Antonio, San Francisco, San Jose, San Vicente, Sto. Domingo and Sto. Tomas
  • San Pedro City
    Landayan, Nueva, Bagong Silang, Estrella, Langgam, Laram, Magsaysay, Narra, Riverside, San Antonio, San Vicente, United Bayanihan, and United Better Living



  • Caloocan City
    Deparo, Bagumbong and Camarin
  • Manila City
    Ermita, Malate and Paco
  • Pasig City
    Manggahan, N. Aquino Pilot Com (Napico), Rosario, San Antonio, Sta. Lucia and Ugong
  • Quezon City
    Gulod/Novaliches, Novaliches Proper, Sta. Monica, Bagbag, San Bartolome, Kaligayahan/Novaliches, Nagkaisang Nayon and Novaliches Proper



  • Cainta
    Sto Domingo, San Andres and San Juan



  • Lucena City
  • Tayabas
    Lita, Mateuna, Nangka Ibaba, Tayabas, Tongko and Wakas


The National Grid Corporation of the Philippines (NGCP) once again placed the Luzon grid under yellow and red alert statuses on Wednesday.

In its advisory, the yellow alert is in place from 8 a.m. to 9 a.m., then from 5 p.m. to 6 p.m., and then by 11 p.m. to 12 a.m.

The red alert is raised from 9 a.m. to 5 p.m. and then from 6 p.m. to 11 p.m.

The NGCP said the available capacity is at 11,260 megawatts (MW) while the operating requirement is at 11,976 MW. The operating margin deficiency is at – 716.

The NGCP urged the public to exercise prudence in using electricity.

This is the third straight day that the Luzon grid was placed under red and yellow alerts amid thin power reserves resulting from planned and unplanned outages of several power plants.

Meralco to implement series of rate increases due to Malampaya shutdown

Maris Federez   •   November 15, 2021

MANILA, Philippines — Another price rate increase awaits Manila Electric Company (Meralco) consumers this November.

Meralco, in a recent advisory, announced that it will implement a series of rate increases to start this month until March next year.

Meralco said this is due to the 20-day maintenance shutdown of the Malampaya Natural Gas Facility last October.

The rate increase that will be imposed this month is pegged at Php0.32 per kilowatt-hour.

The next increase which is at Php0.13 per kilowatt-hour will be applied from December to March.

Meralco clients consuming up to 200-kilowatt hours per month will have a P65 increase reflected in this month’s bill.

Those who consume 300 and 500-kilowatt hours per month will have Php97 and Php162 increases, respectively. —/mbmf

November power rates to go up due to Malampaya maintenance shutdown – Meralco

Robie de Guzman   •   November 12, 2021

MANILA, Philippines – Customers of Manila Electric Company (MERALCO) will have to shell out more money to pay their electricity bills this month, as the power distributor announced a new round of rate hikes.

In an advisory, Meralco said the overall rate for a typical household went up by P0.3256 per kWh to P9.4630 per kilowatt-hour (kWh), from last month’s P9.1374.

This translates to an increase of around P65 in the total bill of a residential customer consuming 200 kWh; around P97 for those consuming 300 kWh, and P162 for those with 500 kWh monthly consumption.

Meralco attributed this to higher generation charge, which was triggered by higher costs due to the Malampaya shutdown.

“The November generation charge went up by P0.2911 per kWh to P5.3346 per kWh from P5.0435 per kWh the previous month as a result of the Malampaya natural gas facility shutdown,” the power distributor said.

“The shutdown resulted in higher costs of power from the Wholesale Electricity Spot Market (WESM) and Independent Power Producers (IPPs),” it added.

The Malampaya facility maintenance shutdown from October 2 to 25 resulted in lesser available supply in the WESM, according to Meralco.

The company added that the tight supply condition in the Luzon Grid led to sustained high prices in the WESM and triggered the secondary price cap on September 30, October 1, October 21 and 22, or 8.39 percent of the October supply month.

The Luzon grid was also put on Yellow Alert on October 20 due to forced outages of several power plants.

“As a result, WESM charges went up by P1.7073 per kWh. Charges from IPPs also increased by P0.8186 per kWh,” Meralco said.

To ensure continuous power supply and to avoid rotating power interruptions, First Gas-Sta. Rita and San Lorenzo plants shifted to more expensive alternative fuel during the 24-day Malampaya shutdown.

Charges from Power Supply Agreements (PSAs), on the other hand, went down by P0.2841 per kWh mainly due to higher excess energy deliveries, which are priced at a discount, from AC Energy, First Gen Hydro Power, San Miguel Energy and South Premiere Power.

The new PSA of Meralco with the Power Sector Assets and Liabilities Management Corporation (PSALM) also contributed to the decrease in the PSA rate.

For October supply, WESM, IPPs and PSAs accounted for 13.9, 37.4, and 48.7 percent, respectively, of Meralco’s energy requirement.

“This month’s generation charge increase would have been significantly higher, but Meralco took the initiative to cushion the impact in the bills of its customers,” Meralco said.

“The distribution utility coordinated with some of its suppliers to defer collection of portions of their generation costs. These deferred charges will subsequently be billed on a staggered basis over the next four months as directed by the Energy Regulatory Commission (ERC),” it added.

Meralco said its continued implementation of the Distribution Rate True-Up refund which began in March 2021 also helped temper the overall increase.

The refund rate for residential customers is at P0.2761 per kWh and appears in customer bills as a line item called “Dist True-Up.”

It can be recalled that the ERC provisionally approved Meralco’s proposal to refund around P13.9 billion over a period of 24 months or until the amount is fully refunded.

This amount represented the difference between the Actual Weighted Average Tariff and the ERC-approved Interim Average Rate for distribution-related charges for the period July 2015 to November 2020.

Transmission charge for residential customers decreased by P0.0403 per kWh due to lower Ancillary Service and Power Delivery Service charges.

Taxes, system loss and other charges, registered an increase of P0.0748 per kWh.

The collection of the Universal Charge-Environmental Charge amounting to P0.0025 per kWh remains suspended, as directed by the ERC.

Meralco reiterated that it does not earn from the pass-through charges from generation and transmission, as payments go to the power suppliers and the system operator, respectively, while taxes, universal charges, and Feed-in Tariff Allowance (FIT-All) are remitted to the government.

Distribution, supply, and metering charges which are the only costs that go to Meralco have remained unchanged for 76 months, after registering a reduction back in July 2015, the power distributor said.

Luzon Grid under yellow alert – NGCP

Robie de Guzman   •   October 20, 2021

MANILA, Philippines – The National Grid Corporation of the Philippines (NGCP) on Wednesday said that a yellow alert has been raised over the Luzon Grid.

In an advisory, the NGCP said that the yellow alert will be in effect from 12 noon to 4 p.m.

A yellow alert means that the grid has thin reserves based on the supply and demand but does not necessarily mean power outages.

The grid operator said this is due to unplanned outages of some power plants in the country.

The NGCP said that the available capacity is at 10,935 megawatts (MW) while the operating requirement is at 10,514MW, resulting in the net operating margin of 32MW

The grid operator said that the following plants are on unplanned outage and derated capacities:

Plants on forced outage

• Sual Unit 2 – 590MW
• GN Power Unit 1 – 316MW
• SLTEC Unit 1 – 121MW
• SLPGC Unit 2 – 150MW
• Limay Unit 3 – 54MW

Plants with derated capacities

• Calaca Unit 1 – 225MW (derated by 75MW)
• SCPC Unit 3 – 90MW (derated by 60MW)

The NGCP said there is a 1,366MW total unavailable energy due to the plant outages and derating of capacity.


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