AHC to rehabilitate Angat Dam power component


The Angat HydroPower Corp. (AHC) plans to rehabilitate the power plant component of Angat Dam to increase its efficiency, its president and CEO Geung Jeon Han said in an interview.

AHC is co-owned by K-water and San Miguel Corporation’s SMC Global Power through its subsidiary Power Ventures Energy Inc.

SMC and K-Water sealed their partnership to rehabilitate Angat Dam and the 218-megawatt Angat Hydroelectric Power Plant (AHPP) in June 2015.

“We are in the process of acquiring financing from Filipino banks and other international banks. Hopefully, by the end of this year or in January it is already finalized,” Han said.

Han added that investment cost would be around $50 million and if construction starts by next year as planned, rehabilitation of Angat Dam’s power component would be done in seven years.

Meanwhile, the non-power Phase II of the Angat dam and dike rehabilitation project has begun this month.

The P1.08-billion retrofit of Angat dam and dike would address the problems of safety and structural integrity of the 49-year old reservoir and enable it to withstand a possible 7.2-magnitude earthquake.

AHC is spearheading and funding the Angat dam and dike strengthening project.

Angat Dam is a concrete water reservoir embankment hydroelectric dam that supplies more than 90 percent of Metro Manila’s water requirements.

The dam system is also responsible for the irrigation of 25,000 hectares of farm lands in Bulacan and Pampanga, power generation of 246 megawatts for the Luzon grid and flood control.

The AHC’s acquisition of the Angat Hydroelectric Power Plant resulted in the company’s commitment to strengthen and maintain the dam system based on an assessment study conducted by independent engineering firm, the US-based Poyry Energy Ltd.

The study showed that Angat Dam will remain safe in case of extreme flooding as long as its three spillway gates remain functional.

As a contingency measure in the event of an earthquake, Poyry Energy recommended increasing the clay portion of the main dam core by 1.3 meters to further strengthen it. It also suggested widening the base and downstream slope of the dam and dike using rockfill from a nearby quarry.

AHC estimates that the rehabilitation project will be completed within the next two years.


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