Georgia Transmission Corporation is a nonprofit cooperative that provides electric transmission and associated services to customers throughout Georgia. Its customers include 39 electric membership cooperatives, Oglethorpe Power Corporation and other power suppliers, power marketers and independent power producers. Georgia Transmission Corporation plans, builds and maintains a transmission system of more than $1 billion worth of power lines, substations, protection and control devices, communications equipment and rights of way. In addition to its 2,600 miles of power lines and 570 substations, the company jointly owns and plans the state's 16,000 total miles of transmission lines through the Integrated Transmission System Agreement with Georgia's three other transmission providers. The company transmits electricity from power suppliers to power distributors, that in turn, distribute power to residential, commercial and industrial customers. Georgia Transmission Corporation was founded in 1974 and is located in Tucker, Ga.