South Luzon Thermal Energy Corporation (SLTEC) is a wholly owned* subsidiary of AC Energy Corporation (ACEN). The company owns and operates a 2 x 122 MW circulating fluidized bed thermal plant in Calaca, Batangas, with the first unit commencing operations in April 2015, followed by the second unit in February 2016. SLTEC operates as a baseload plant supplying the power demand of Luzon.

*Subject to regulatory approvals