|Companhia Energetica de Minas Gerais (CEMIG) is a Brazil-based holding company mainly engaged in the generation, transmission and distribution of electricity. In the generation segment, CEMIG operates through hydroelectric plants, thermoelectric plants and wind farms. In the transmission segment, as of December 31, 2008, CEMIG's transmission network was comprised of 38 substations with a total of 94 transformers and an aggregate transformation capacity of 15,583 Megavolt amperes. In the distribution business, as of December 31, 2008, the Company owned and operated 451,539 kilometers of distribution lines, supplying electricity to approximately 10 million customers. CEMIG is also engaged in the natural gas distribution business in Minas Gerais, through its subsidiary Companhia de Gas de Minas Gerais - GASMIG, as well as in the telecommunications business, through its subsidiary Cemig Telecomunicacoes SA - Cemig Telecom, which provides optical fiber and coaxial cable network.