CPFL Energia S.A., through its subsidiaries, generates, transmits, distributes, and commercializes electricity to residential, industrial, and commercial customers in Brazil. The company generates electricity through wind, biomass, solar, and hydroelectric power plants. It also manufactures, commercializes, rents, and maintains electro-mechanical equipment; and offers administrative, call center, collection, IT, telecommunication, energy transmission, and energy efficiency management services, as well as maintenance services for energy generation companies. As of December 31, 2018, the company distributed electricity to approximately 9.6 million customers; and had 323,979 kilometers of distribution lines, which included 464,627 distribution transformers. It also has an installed capacity of 3,272 megawatts. The company was founded in 1998 and is headquartered in Campinas, Brazil. CPFL Energia S.A. is a subsidiary of State Grid Brazil Power Participações S.A.