Formerly CTEEP (Paulista Transmission - TRPL), is a Brazilian public-private service concession company that provides electric power transmission. Through its subsidiaries, the company plans, builds, operates, and maintains power transmission systems and power transmission infrastructure projects across Brazil. The company segments its operations between infrastructure, operation and maintenance, and Service Grant compensation business units. Most revenue comes from the Operation and Maintenance division, which controls and maintains its power transmission system across the country. The company transmits a significant amount of all energy produced in Brazil and more than half of the energy consumed in Southeast Brazil.