Akkoy II is a 233.57MW hydro power project. It is located on Harsit river/basin in Gumushane, Turkey. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. Post completion of construction, the project got commissioned in 2012. Buy the profile here.


The project is developed and owned by Akkoy Enerji.

Akkoy II is a reservoir based project. The hydro reservoir capacity is 94.78 million cubic meter. The gross head of the project is 1,220m. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, are 1 in number. The penstock length is 3,424m. The penstock diameter is 2.7m. Akkoy II underwent through rehabilitation & modernization during 2011. The project generated 950 GWh of electricity. The project cost is $672.859m.

Development status

The project got commissioned in 2012.

Contractors involved

Voith Hydro Holding was selected as the turbine supplier for the hydro power project. The company provided 2 units of pelton turbines, each with 116.79MW nameplate capacity.

Voith Hydro Holding supplied 2 electric generators for the project. The generator capacity is 135 MVA.

For more details on Akkoy II, buy the profile here.

About Akkoy Enerji

Akkoy Enerji AS (Akkoy Enerji), a subsidiary of Kolin Insaat Turizm Sanayi ve Ticaret AS, is a renewable energy company that operates energy projects. The company undertakes construction, operation and commissioning of hydro energy projects. It utilizes renewable energy as a source for executing projects. Akkoy Enerji offers production licenses for energy projects. The company operates Akkoy I HEPP and Akkoy II HEPP hydro electricity power projects. Its activities include preparatory work, construction activities and project implementation. The company has operations throughout Turkey. Akkoy Enerji is headquartered in Ankara, Turkey.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.