It is engaged in the distribution, generation and commercialization of electric energy in Brazil. The company is involved in the generation of electric energy through hydroelectric plants, small hydropower plants and thermoelectric power solutions. As of December 31, 2011 it had a number of subsidiaries, which include Companhia Paulista de Forca eLuz, Rio Grande Energia SA, CPFL Geracao de Energia SA, CPFL Comercializacao Brasil SA and CPFL Jaguariuna SA, among others.