Beginning with the opening of the 10th turbine in April 1971, the powerhouse was the world’s single largest power plant until the Grand Coulee Dam in Washington State reached 6,181 MW in 1983.
Fra igangsætning af 10. turbine i april 1971 var vandkraftværket verdens største elproducent indtil Grand Coulee Dam nåede 6.181 MW i 1983.