• La Union transmission line upgrade to start soon

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    The upgrade for the 230-kilovolt (kV) transmission line in La Union is set to begin as part of the efforts to improve the reliability of the North Luzon transmission corridor, the country’s power grid operator reported on Wednesday.

    In a statement, the National Grid Corp. (NGCP) of the Philippines said that it targets to commence the rehabilitation of 230-kV Bacnotan Substation before end of the year, and expect completion by the second half of 2014.

    According to NGCP, the three-kilometer line segment has been a weak spot in the grid due to its old wood pole structures that have not been replaced in almost 20 years, which makes the line vulnerable to damage, especially during the typhoon season.

    The upgrading project will replace 105 old wooden poles with steel poles.

    Included in the 2012 Transmission Development Plan, the project will address the potential reliability risk to the northwestern transmission corridor, which will directly affect the provinces of La Union and Ilocos Sur.

    “Part of NGCP’s mandate is to ensure the safe and reliable flow of electricity from the generators to distribution utilities and other

    directly connected customers. This project will reinforce our commitment to fulfill our duty and prevent unreliable structures from hampering the delivery of our task,” the grid operator said.

    Meanwhile, NGCP is also conducting wood pole replacements in Visayas to strengthen its lines in the region.

    As of the end of the first half of this year, the grid operator replaced more than 8,000 wood poles with steel poles in various areas in Luzon and the Visayas.

    Madelaine B. Miraflor

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