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Our Business

Semirara Mining and Power Corporation is the largest coal producer in the Philippines, and the only power producer in the country that owns and mines its own fuel source (coal).


We operate the largest and most modern pit mine in the Philippines. Our truck and shovel operations can produce 16 million metric tons of coal a year. We have an installed generating capacity of 900MW, with an additional 1,200MW in the pipeline.


By integrating our coal mining activities and power operations, we have created a value chain that enables us to transform low-value input into high-value output in a continually efficient and responsible manner.


In 2008, our coal mining operation secured certifications for international standards of Environmental Management System/ISO 14001:2004, Occupational Health and Safety Management System/OHSAS 18001:2007, and Quality Management System/ISO 9001:2008. In 2018, we have successfully transitioned to Quality Management System/ISO 9001:2015 and Environmental Management System/ISO 14001:2015.


Our subsidiaries, SEM-Calaca Power Corporation and Southwest Luzon Power Generation Corporation, have likewise been in conformance to Quality Management System/ISO 9001:2015, Environmental Management System/ISO 14001:2015, and Occupational Health and Safety Management System/OHSAS 18001:2007.