K Water to develop US$1 billion hydropower plant in Georgia

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K Water to develop US$1 billion hydropower plant in Georgia

Partnership Fund of Georgia and Korea Water Resources Corporation (K-Water) have executed the key project agreements to develop the 280 MW Nenskra hydropower plant in USA.

Located in the Svaneti region of Northwest Georgia, the new plant consists of a dam, pressure tunnel, surge tank, penstock and powerhouse. Additionally a transfer tunnel will convey the water from Nakra river to the new Nenskra dam reservoir to improve the performance of the project.

An asphalt faced rockfill dam (AFRD) has been selected considering the site conditions in the Nenskra river basin. The peculiarity of the structure is the 65 m deep Cut-Off wall to be realized throughout the alluvial deposit on the river bed.

The project is capable of providing on average total energy generation of 1219 GWh/y, 259,2 GWh of guaranteed supply in the winter months and maximizes export benefits in the summer months. The power will be distributed through a 220 kV transmission line to Akhari-Jvari substation.

The total project investment is estimated at US$1 billion, the cost and the capacity, originally US$570 million and 210 MW, were increased.

In late August Salini Impregilo won an engineering and procurement (EPC) contract worth US$575 million for the design and construction of the project.

The project is expected to be operational by the end of 2020.

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