Ampla Energia e Servicos SA, formerly CERJ - Companhia de Eletricidade do Rio de Janeiro, is a Brazil-based company involved in the electrical energy sector. The Company explores the distribution and commercialization system of electrical power and participates in researches linked to the electricity industry. The Company focuses on the conventional and low-income residential sectors, also serving the industrial, commercial, rural, and public sectors. Ampla Energia e Servicos SA distributes electricity in approximately 65 municipalities in the state of Rio de Janeiro and one municipality in the state of Minas Gerais. The Company operates through numerous subsidiaries, such as Endesa Brasil SA, Chilectra Inversud SA and Cono Sur Participaciones SA, among others.