Light S.A., through its subsidiaries, engages in the generation, transmission, distribution, and sale of electric power in Brazil. It generates power through hydro, solar, and wind power plants. As of December 31, 2019, the company had generation projects with a total installed capacity of 855 MW. It operates in 31 cities of the state of Rio de Janeiro covering a population of approximately 11 million customers. The company also engages in the purchase, sale, import, and export of electric and thermal power, gas, and industrial utilities; and provision of advisory services in the energy sector, and rental of real and personal property, as well as the acquisition and sale of goods related to the study, design, implementation, operation, and maintenance of construction works and facilities. In addition, it provides services to low voltage clients, including the assembly, remodeling, and maintenance of facilities. The company primarily serves residential, commercial, and industrial customers. Light S.A. was founded in 1899 and is headquartered in Rio de Janeiro, Brazil.