Batangas houses three power plants that provide the bulk of power used in Luzon. Power plants include the 600-megawatt (MW) Calaca Coal Fired Power Plant in Calaca, the 500 MW, 1000 MW, and 414 MW San Lorenzo-Santa Rita-San Gabriel Combined Cycle Power Plant, and the 1251 MW Ilijan Power Plant, both in Batangas City. The Calaca Power Plant is originally built with nameplate capacity of 600 MW, is being expanded to generate 1300 MW, with an addition of 2x350 MW (700 MW) capacity in a second power plant, constructed under an agreement between Semirara Mining and Meralco.