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. As of December 31, 2021, the company distributed electricity to approximately 10.2 million customers; had 336,053 kilometers of distribution lines, which included 498,155 distribution transformers; and 565 transformer substations, from high to medium voltage, with total transformer capacity of 19,178 MVA. It also has an installed capacity of 4,385 megawatts. The company was founded in 1998 and is based in Campinas, Brazil. CPFL Energia S.A. is a subsidiary of State Grid Brazil Power Participações S.A.