Italian industrial group Salini Impregilo has signed a framework agreement worth about US$3.9 billon to build the 3,600-MW Rogun hydroelectric plant in Tajikistan.
The deal, signed last week, also saw developer OJSC Rogun make its first work order worth $1.95 billion, which calls for Salini to construct what is being described as "the world's tallest dam" at 335-meters-tall on the Vakhsh River in Pamir.
HydroWorld.com reported that OJSC Rogun had solicited bids for construction of the dam -- alongside three other lots to be assigned to Salini later this year -- last February.
Rogun will double Tajikistan's energy production, according to Salini, while also increasing water available for agricultural activity. Surplus energy generated by the hydropower project will be sold to Pakistan, Afghanistan and potentially other neighboring countries.
Tajik Deputy Energy Minister Poulod Muhiddinov affirmed the government's commitment to develop Rogun in June 2014. Utility Barki Tojik previously invited expressions of interest from consultants for procurement and construction of the project in 2012.
The project includes the embankment dam, hydraulic tunnels of 1,100 to 1,500 meters, an underground powerhouse with six units, balance of plant and auxiliary equipment. A consortium of Tractebel Engineering France (Coyne et Bellier) and ELC Electroconsult Italy is providing technical assistance to project developer OJSC Rogun HPP.
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