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November 26, 2021

Akosombo, Ghana

By Carmen

Akosombo is a 1,020MW hydro power project. It is located on Volta river/basin in Greater Accra, Ghana. The project is currently active. It has been developed in single phase. The project construction commenced in 1963 and subsequently entered into commercial operation in 1989.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 1,020 1,020 Active Greater Accra, Ghana


The project is currently owned by Volta River Authority.

The gross head and net head of the project are 68.88m and 65m respectively. 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 6 in number. The penstock length is 116m. The penstock diameter is 7.2m. Akosombo underwent through rehabilitation & modernization during 1989-1993,1999-2000,2001-2006.

Development Status

The project construction commenced in 1963 and subsequently entered into commercial operation in 1989.

Power Purchase Agreement

The power generated from the project is sold to Electricity Company of Ghana under a power purchase agreement for a period of 20 years. The contracted capacity is 100MW.

Contractors Involved

Andritz Hydro was selected as the turbine supplier for the hydro power project. The company provided 6 units of francis turbines, each with 173.1MW nameplate capacity.

General Electric supplied 6 electric generators for the project. The generator capacity is 179.95 MVA.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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