Companhia de Transmissão de Energia Elétrica Paulista is one of transmission system operators of electric power grid in Brazil. The company is headquartered in São Paulo. It was created from the breakup of Companhia Energética de São Paulo in 1999. In November 2001, it merged the Empresa Paulista de Transmissão de Energia Elétrica, derived from the breakup of Eletropaulo Metropolitana - Electricidade São Paulo SA. CTEEP is the main private concessionaire of the transmission of electrical energy, for transmission of 30% of all electricity produced in Brazil, which is almost 100% of the State of São Paulo. The company is present in 14 Brazilian states: Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Minas Gerais, Rondônia, Mato Grosso, Mato Grosso do Sul, Goiás, Tocantins, Maranhão, Piauí, Paraíba and Pernambuco. It owns 12,993 kilometres of transmission lines, 18,782 kilometres of circuits, 2,488 kilometres of fiber optic cables and 106 substations with voltage up to 550 kV with a total installed capacity of 45,131 MVA. Wikipedia