A SUBSIDIARY of Semirara Mining and Power Corp. (SMPC) has started the commercial operation of the third and fourth units of its coal-fired power plant in Calaca, Batangas on Aug. 26, the Consunji-led company said.

The plant, which is under SMPC’s Southwest Luzon Power Generation Corp., is currently running at a capacity of 140 megawatts (MW) per unit, the listed firm said in a disclosure. The units’ full capacity is at 150 MW each.

The commercial run comes after SMPC disclosed that units three and four started to run “stably” in the last week of March 2016 “but not yet at full capacity of 150 MW per unit.” During this period, the units sold around 757 gigawatt-hours to the spot market.

The Calaca plant’s first and second units, each with a capacity of 150 MW, started testing and commissioning in 2015. They were synchronized to the grid in July and August of that year, respectively.

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