Beyhan I Dam and HEPP

The construction of the Beyhan I Dam and HEPP has been completed by Kalehan Beyhan Energy Generation Co., Inc. of which Özaltın is holding %50 of share and energy generation has been started in March 2015.

The Beyhan I Dam and HEPP having installed capacity of 582 MW is planned to produce 1.3 billion KWh energy per year.

Client Kalehan Beyhan Energy Generation Co., Inc. Contractor Joint Venture (Özaltın %50)
Location Elazığ River Fırat (Euphrates)
Type Roller Compacted Concrete (RCC) Purpose of the Project Energy
Body Volume (RCC) 1.250.000 m3 Gross Head 77 m
Reservoir Volume 369,06 x 106 m3 Height from Foundation 97 m
Height from Riverbed 83,6 m Crest Length 364 m
Number of Diversion Tunnels 3 Length of Diversion Tunnels T1: 540 m T2: 570,63 T3: 616 m
Inner Diameter of Diversion Tunnel 9,50 m (Each) Design Discharge of Spillway 10.528 m3/sec
Installed Capacity 582,1 MW Number of Units 4
Annual Power Generation 1.294,3 GWh Excavation Volume 6.000.000 m3
Conventional Concrete Volume 600.000 m3 Total Drilled Grouting Holes 120.000 m
Total Underground Excavation 230.000 m3(Tunnels + Galleries) - -