[3] Its construction is aimed at generating hydroelectric power supply of 2,107 million kWh annually and controlling floods in the upper Karun.
The dam is a concrete double curvature arch-type and 230 metres (750 ft) high from the foundation.
[4] The dam's first study was conducted in 1995 and river diversion began in 1997.
[5][6] On December 11, 2010, the second generator for the dam became operational and was connected to the grid.
[7] The dam was inaugurated on 6 July 2011 by Iranian President Mahmood Ahmadinejad.