The Masjed-e-Soleyman Dam is located 160 km from Ahwaz, and 25 km from the city of Masjed-e Soleyman. It is located 23.5 km downstream of the Karoun First Dam. It is the highest rock fill dam in Iran.
The main purpose of this dam is electrical power generation with an installed capacity of 2,000MW and a yearly production of 3,700 GWH. Reservoir capacity with a surface catchment area of 27,548 〖km〗2 and a yearly mean river flow rate of 362 m3/s, more than 228 million m3 of water can be stored.
The dam is of rock fill type with an impervious clay core. It is 164 m high from the foundation and has a crest length of 480 m. The total volume of the dam body is 13,000,000 m3 and the total volume of the clay core is 1,819,700 m3.
The project also includes the construction of concrete structures such as the spillway, powerhouse and concrete lined tunnels. The U/S cofferdam is 80m high and has a volume of 1,800,000 m3.
The spillway is a chute type equipped with 5 gates. There is also a stilling basin, an underground powerhouse and transmission chamber.
The scope of work for Perlite Company was construction of the cofferdam, earth fill work of the main dam body, excavation of the powerhouse cavern, construction of the spillway, excavation of tailrace tunnels and diversion tunnels, and the access tunnel to the powerhouse cavern.

Project details

Location: Masjed Soleyman, Khuzestan Province, Iran

Reservoir Volume 228 million m3

Height 164m

Crest length 480m

Dam Body Volume 13 million m3

HEPP  yearly production Capacity: 3700 GWH

Installed Capacity 2000