Exhibit 8.1 Subsidiaries of CPFL Energia S.A. Jurisdiction of Incorporation CPFL Paulista Federative Republic of Brazil RGE RioGrandeEnergia Federative Republic of Brazil CPFL PIRATININGA Federative Republic of Brazil CPFL BRASIL Federative Republic of Brazil CPFL GERACAO Federative Republic of Brazil CPFL Centrais Eletricas Federative Republic of Brazil Semesa Federative Republic of Brazil BAESA Federative Republic of Brazil CERAN Federative Republic of Brazil Foz do Chapeco Energia Federative Republic of Brazil ENERCAN Federative Republic of Brazil Clion Assessoria e Comercializacao de Federative Republic of Brazil Energia Eletrica Ltda