Pampa Energia SA, (Pampa), is an Argentina-based company primarily engaged, through its subsidiaries, in the generation, transmission and distribution of electric power. Electric Generation division comprises the activities of Hidroelectrica Los Nihuiles SA (HINISA), Hidroelectrica Diamante SA (HIDISA), Central Termica Guemes SA (CTG), Central Termica Loma de la Lata SA (CTLLL) and Central Piedra Buena SA (CPB); the Electric Transmission division, includes the activities of Compania de Transporte de Energia Electrica en Alta Tension Transener SA; as well as the Electric Distribution division, which its services are rendered by Empresa Distribuidora y Comercializadora Norte SA (Edenor).