How to calculate your electric bill in two steps

by Nikko Tuazon
May 17, 2020
The May electric bills send consumers into panic.
PHOTO/S: Nikko Tuazon

The last five days must have been the worst for the country's power consumers.

On top of Typhoon Ambo adding more anxiety to the presence of COVID-19, consumers received their May electric bill and sent them into a state of panic.

The shock, inevitably, has spread in social media—with the utility company, Meralco, naturally taking the heat from the scared and disgruntled.

One Twitter user claims he is being billed for four times more than his average consumption.

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Another Twitter user says her bill even went up to PHP18,000 from her previous bill of PHP8,000.

In a press release sent to CNN Philippines, Meralco spokesman Joe Zaldarriaga said the uptick in the May bills was based on the actual kilowatt-per-hour usage of each household as seen in the current meter reading.

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The utility company has resumed electric meter reading after suspending it for two months following the enhanced community quarantine mandate.


If you want to be savvy about your electric bill, here's a step-by-step guide on how to compute it accurately:

1. Get your last electric bill. Find the "Pres Rdg" at the back of your bill. Go to your electric meter and get the current reading. Subtract this from the "Pres Rdg" from your last bill. The answer will be your current consumption kilowatt-hour (kWh).

Meralco Bill

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2. Find the latest Meralco rates online. In April, Meralco's rates were at PHP8.9951 per kWh. Multiply your current kWh to the current Meralco rate and that will be your estimated bill for the month.

Meralco Bill

Make adjustments based on your previous electric bill payments.


Zaldarriaga said the adjustments in the May bill reflect energy consumption in the two months of March and April.

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He said in the press release, "The May bill is a result of the actual kWh Consumption from the current meter reading, with adjustments already reflected from the previous estimated consumption.

"This total, which is already based on the true and actual readings, is what customers actually see in the May bill. That is why you may notice a rise in the total amount due."

In April, following the suspension of physical meter reading, Meralco announced that consumers would be billed based on their average consumption for three months—December 2019, January 2020, and February 2020.

Additionally, with the lockdown resulting in unpaid monthly bills, Meralco said payments for March and April bills will be staggered in four monthly installments.

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The May electric bills send consumers into panic.
PHOTO/S: Nikko Tuazon
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