Energy Regulatory Commission

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Latest approved WACC for Power Generation Companies

Requested from ERC by Marc Kevin Morales at 11:21 PM on Jul 10, 2019.
Purpose: Research
Date of Coverage: 01/01/2019 - 07/10/2019
Tracking no: #ERC-036705706539

Marc Kevin 11:21 PM, Jul 10, 2019


I would like to see the latest approved WACC for power generation companies.

Thank you.

FOI Receiving 07:25 AM, Jul 11, 2019

July 11, 2019

Dear Marc Kevin,

Thank you for your request dated Jul 10, 2019 under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for Latest approved WACC for Power Generation Companies.

We received your request on Jul 10, 2019 and will respond on or before Jul 31, 2019 11:21:52 PM, in accordance with the Executive Order's implementing rules and regulations.

Should you have any questions regarding your request, kindly contact me using the reply function on the eFOI portal at, for request with ticket number #ERC-036705706539.

Thank you.


FOI Receiving Officer
FOI Officer

FOI Decision 02:33 PM, Jul 31, 2019

July 31, 2019

Dear Marc Kevin Morales,

I refer to your letter of Jul 10, 2019 11:21:52 PM about your request under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for the Latest approved WACC for Power Generation Companies.

In order for us to work further on your request, we need more information from you regarding your query. We will appreciate if you can specify the particular generation companies (GenCos) that you are interested in. 

Meanwhile, you may wish to visit our website ( for ERC Orders/Decisions involving the GenCos you are interested in who are parties to docketed applications filed before the ERC. The said orders/decisions provide details/information which you may find useful.

During the period of us awaiting your reply, your request will be put on hold. We shall await for your response for the list of GenCos until Oct 22, 2019 07:26:10 AM. Otherwise, your request will be considered as closed pursuant to FOI-Mc No. 01, s. 2018. 
We hope to hear from you at the soonest possible time.

Thank you.


FOI Receiving Officer
FOI Officer

Marc Kevin 02:39 PM, Jul 31, 2019

What will be the approved WACC for a coal IPP, oil-based IPP, gas-based IPP, and renewable-based IPP?

FOI Decision 10:12 AM, Aug 08, 2019

Dear Mr. Morales:

The individual Decisions issued by the ERC on the applications for approval of power supply agreements  (PSAs) are all posted at the ERC website.  Each Decision contains the approved WACC.

Currently, the ERC do not maintain a comprehensive list of WACC per technology as per your specific request. However, we trust that the information at the ERC website will be helpful in addressing your concerns.

May we also refer you to a previously issued ERC Decision, file is attached - Decision in ERC Case No. 2017-012 RC
MERALCO and PowerSource First Bulacan Solar, Inc., Applicants – which contains a comprehensive 
discussion on the WACC.

Trusting that you will find everything in order.

FOI Receiving Officer

 ERC Decision 2017-012 RC.pdf

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