Companhia Energética de Brasília - CEB, through its subsidiaries, engages in the generation and distribution of electrical energy in Brazil. It operates through Power Generation, Commercialization of Electric Energy, and Others segments. The company produces electricity from hydraulic power plants; distributes piped gas; public lighting services; and provides maintenance and expansion services. It is also involved in the provision of services for studies; engineering projects; execution of implementation, expansion, renovation, or maintenance of overhead and underground electricity transmission and distribution networks; and installation of public lighting systems and electrical building. The company was formerly known as Companhia de Eletricidade de Brasília and changed its name to Companhia Energética de Brasília ? CEB in 1992. Companhia Energética de Brasília ? CEB was founded in 1968 and is headquartered in Brasília, Brazil.