Строительство самой высокой плотины Рогунский ГЭС /Building of the highest dam in the world Rogun

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Rogun Dam is an embankment dam under construction on the Vakhsh River in southern Tajikistan. It is one of the planned hydroelectric power plants of Vakhsh Cascade. Over three decades only preliminary construction has been carried out on the dam. Due to its controversial state, construction was suspended in August 2012 pending World Bank reports, but has since then resumed. The dam has drawn complaints from neighbor Uzbekistan, which fears it will negatively impact its lucrative cotton crops. The dispute over the project has contributed significantly to bitter relations between the two former Soviet republics.
The Rogun Dam was first proposed in 1959 and a technical scheme was developed by 1965. Construction began in 1976, however the project was frozen after the collapse of the Soviet Union. An agreement on finishing the construction was signed between Tajikistan and Russia in 1994; however, as the agreement was not implemented, it was denounced by Tajikistan parliament. In October 2004, an agreement was signed with RUSAL according to which RUSAL agreed to complete the Rogun facility, to build a new aluminum plant and to rebuild the Tursunzade Aluminum Smelter. In February 2007, a new partnership between Russia and Tajikistan to complete the dam was announced but later was refused by Russia because of disagreements concerning the controlling stake in the project. In May 2008, Tajikistan announced that construction on the dam had resumed. By December 2010, one of the river diversion tunnels was renovated and rebuilt and the second expected to commence in June or July 2011.Construction on the dam was suspended in August 2012 pending the World Bank assessment.

In 2010, Tajikistan launched an IPO to raise US$1.4billion to finish construction of the dam.[2] By April 26 of that year the Tajik government had raised just US$184 million, enough for two years of construction.
The Project
Exploiting the hydroelectric potential of the Pamirs, which bring together some of the most majestic mountains of Central Asia (some standing more than 5,000 metres above sea level), diverting the Vakhsh River and finally building a dam 335 metres high with rockfill and a clay core is a huge undertaking. The many unprecedented aspects of the project make it complex, but its impact on the country’s development will nevertheless be enormous.
For all of these reasons, the Rogun HPP project was divided into four lots comprising the entire work, from the dam to the hydroelectric plant. The first lots foresee the diversion of the Vakhsh River that will be done with confluence of two diversion tunnels in a mountainside in order to keep the foundations of the dam dry. It is a very complex task that, because of the strength of the river, will only be able to be done during the winter months when the mountains are covered in snow and the water level is lower.
Once completed, the plant’s energy will be produced by six turbines of 600 MW each that will have an installed power of 3,600 MW (the equivalent of three nuclear plants) when operating at full capacity.

Rogun’s Impact
In a country that has little more than eight million inhabitants, where only 7% of the land is arable and about one million people work abroad and send home remittances to support their families, the impact of a project of this kind could be decisive in terms of economic development.
First, Rogun HPP is essential to reduce the lack of energy that occurs in winter and affects thousands of families and their need for light and heating. The project could contribute to the development of agriculture because it would allow for a more efficient use of water for irrigation.
But the biggest impact that the new dam will have will be on the country’s energy potential, allowing Tajikistan to become a point of reference in the region. Pakistan and Afghanistan have already offered to buy part of the energy produced by Rogun and other nearby countries will likely do the same. Proof of this is the fact that a few weeks ago a parallel project was launched to modernize the power grid linking Tajikistan to Pakistan, an additional way of taking Rogun’s electricity outside the country.

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Видео Строительство самой высокой плотины Рогунский ГЭС /Building of the highest dam in the world Rogun канала TJ