Upper Kaleköy Dam and HEPP

Upper Kaleköy Dam and HEPP, which is built by Kalehan Kale Enegy Generation Co., Inc. 50% of which is owned by Özaltın Construction, owns the title of the biggest dam project realized by private sector in Turkey.

The construction of the Upper Kaleköy Dam and HEPP has been completed and energy generation has been started in June 2018.

Client Kalehan Kale Energy Generation Co., Inc. Contractor Joint Venture (Özaltın %50)
Location Bingöl River Fırat
Type Roller Compacted Concrete (RCC) Purpose of the Project Energy
Body Volume (RCC) 2.474.000 m3 Gross Head 132,5 m
Reservoir Volume 738,8 x 106 m3 Height from Foundation 150 m
Height from Riverbed 137,5 m Crest Length 516,42 m
Number of Diversion Tunnels 2 (Left Bank) Length of Diversion Tunnels T1: 856,78 m, T2: 951,49 m
Inner Diameter of Diversion Tunnel 9,50 m (Each) Design Discharge of Spillway 8.777 m3/sec
Installed Capacity 626,85 MW Number of Units 4
Annual Power Generation 1.504,71 GWh Excavation Volume 4.200.000 m3
Conventional Concrete Volume 700.000 m3 - -