Hydropower Plants Complex

Forming Consortium for Turkish Ministry of Energy Hydropower Plants Complex on Coruh River, Headed by Duke Power, USA.

Deriner Dam and Hydroelectric Power Plant (HEPP)

Deriner Dam is the highest dam in Turkey, with a height of 249m. The double-curvature concrete arch dam is located on the Coruh River near Artvin province in the north-eastern part of Turkey. The underground powerhouse near the dam houses four units, with an overall capacity of 670MW. Commissioned in 2013, the powerhouse annually generates 2.118GWh of electricity.

The project is owned by Turkey’s State Hydraulics Works (DSI). The power plant was constructed by a consortium led by ERG, and required an estimated investment of $1.39m.

Construction on the dam began in 1998. The project work involved constructing the dam’s body, rock excavation, diversion tunnel, underground powerhouse, overflow spillways, access roads and internal roads.

The concreting work began in 2005 after the completion of excavation process, but was stopped between 2007 and 2008 due to lack of funding. However, the work was resumed in the last quarter of 2008 and completed in February 2012.

The hydroelectric power plant (HEPP)

The HEPP is located on the right bank of the river near the dam. The completely underground powerhouse features four vertical Francis turbines and generates 2.118GWh of electrical energy annually.

“The electrical energy generated by the plant amounts to 1.1% of the total energy production in Turkey.”
The electrical energy generated by the plant amounts to 1.1% of the total energy production in Turkey.

The powerhouse is 20m-wide, 126m-long and 45m-high. The turbines in the plant are fed with water through a 9m-diameter penstock. Water from the turbines is then exited through 74m-long tunnels.

The Deriner double-curvature concrete arch dam

The Deriner dam is a double-curvature concrete arch dam. It is 249m high from the foundation and 202m from the river bed and has a crest elevation of about 397m. The dam has a concrete volume of 3.5 million cubic metres.

The diversion tunnel is 898.14m-long and has a capacity of 1.804 cubic metres a second (cusec).

The overflow spillway has a capacity of 2.25cusec while the orifice spillway has a capacity of 7cusec.

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Copyright by International Dynamics LLC. All rights reserved.

Copyright by International Dynamics LLC. All rights reserved.