Sem Calaca Power Corporation (Philippines)

SEM-Calaca Power Corporation is a Philippine power generation company that owns, operates, and rehabilitates the Calaca coal-fired power plant complex in Calaca, Batangas. Incorporated in 2009, it is a subsidiary within the Semirara Mining and Power Corporation group under DMCI Holdings. SEM-Calaca's primary assets are two coal-fired generating units with an aggregate installed capacity of approximately 600 megawatts, which provide baseload power to the Luzon grid. The company's activities encompass the operation and maintenance of the power plant, engineering and rehabilitation works to upgrade plant reliability and efficiency, construction and improvement of related infrastructure such as coal handling, ash disposal, and transmission interconnections, and the sale of electricity through bilateral supply contracts and participation in the wholesale electricity spot market. SEM-Calaca benefits from vertical integration with the group's domestic coal mining operations, which helps secure a significant portion of fuel requirements. The company's strategic focus is on extending plant life, optimizing thermal efficiency, managing environmental compliance, and ensuring dependable baseload generation that supports grid stability and economic activity in Luzon, while exploring operational improvements and potential retrofits in line with evolving regulatory and market conditions.