Published on Monday, 27 May 2013 19:35 Written by Paul Anthony A. Isla / Reporter
THE National Grid Corp. of the Philippines (NGCP), the country’s sole power-lines concessionaire, said on Monday it has requested the Energy Regulatory Commission’s (ERC) approval to build a new substation in Antipolo City.
In an application filed with the ERC, the NGCP said the new substation that will be located in Barangay San Juan in Antipolo City is part of the NGCP’s 2012 Transmission Development Plan (TDP)—a comprehensive strategy to expand and improve the Philippine grid in the next 10 years.
Lawyer Cynthia P. Alabanza, NGCP spokesman, said the establishment of Antipolo extra-high voltage (EHV) substation enables them to divert some of the load from the San Jose substation, thereby lowering its critical level and vulnerability.
“It will give us operational flexibility that will allow us to maintain or shutdown San Jose substation without affecting power delivery to and from Metro Manila,” she said.
The NGCP said the proposed Antipolo substation will be an extra high-voltage (EHV) substation with an initial installed capacity of two 750 megavolt-ampere (MVA) transformers, expandable up to four 750-MVA transformers.
The NGCP expects the new Antipolo substation to prevent potential system congestion and relieve the San Jose substation in Bulacan which carries the bulk of Metro Manila’s load.
The San Jose substation is the merging point of generation supply coming from Masinloc and Sual coal-fired power plants (CFPPs) from the north, and Quezon Power Plant and Pagbilao CFPP from the south.
The NGCP said the project has two components such as a transmission line and substation. The transmission line component involves the construction of two 500-kilovolt (kV) transmission line extensions with a combined span of 17.5 kilometers connecting Antipolo substation with San Jose and Tabayas EHV transmission lines.
The substation component of the project has two stages– the construction of the 230-kV switching facility beside Manila Electric Co.’s 115-kV substation in Antipolo, and the development of the EHV substation. The first stage was already approved for implementation by the ERC.
The NGCP targets the completion of the Antipolo EHV substation project, with an estimated cost of P3.1 billion, in 2016.
The NGCP is a privately owned corporation in charge of operating, maintaining, and developing the country’s power grid. NGCP transmits high-voltage electricity through “power superhighways” that include the interconnected system of transmission lines and towers, substations and related assets. NGCP’s regular maintenance activities and expansion projects aim to enhance the reliability and quality of electricity delivered to customers. source
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