Jebba hydroelectric plant was officially commissioned on 13th April 1985 although commercial operations commenced in 1983. It has six (6) fixed blade propeller hydraulic turbines with a total installed capacity of 578.4 MW that is, 96.4MW each. Five units are available for generation. The sixth unit 2G6 is not available due to a major fire incident on the Generator / AVR system which occurred on the 21st of April 2009. Recovery process has commenced.