ALYANSA PARA SA BAGONG PILIPINAS, INC. (ABP), represented by Evelyn V. Jallorina and Noel Villones vs. ENERGY REGULATORY COMMISSION, represented by its Chairman, JOSE VICENTE B. SALAZAR, DEPARTMENT OF ENERGY, represented by Secretary ALFONSO G. CUSI, MERALCO, CENTRAL LUZON PREMIERE POWER CORPORATION, ST. RAPHAEL POWER GENERATION CORPORATION, PANAY ENERGY DEVELOPMENT CORPORATION, MARIVELES POWER GENERATION CORPORATION, GLOBAL LUZON ENERGY DEVELOPMENT CORPORATION, ATIMONAN ONE ENERGY, INC., REDONDO PENINSULA ENERGY, INC., and PHILIPPINE COMPETITION COMMISSION