First impoundment: Tamakoshi reservoir secures power supplies in Nepal
Implementation of Nepal’s largest hydropower project is approaching the finishing line: in March 2020 the Upper Tamakoshi reservoir was filled for the first time. Once regular operation of the plant commences, it will increase the country’s electricity generation capacity by around sixty percent. The joint venture between Tractebel Germany and Norconsult AS has been responsible for the detailed planning and construction management of the project since 2011.
Upper Tamakoshi hydropower project, Nepal (firmenpresse) - Implementation of Nepal’s largest hydropower project is approaching the finishing line: in March 2020 the Upper Tamakoshi reservoir was filled for the first time. Once regular operation of the plant commences, it will increase the country’s electricity generation capacity by around sixty percent, thereby eliminating current shortfalls in the power supply system. The joint venture between Tractebel Germany (formerly Lahmeyer International) and Norconsult AS has been responsible for the detailed planning and construction management of the project since 2011.
The plant is located in a remote region of the upper Himalayas, in the Tamakoshi river basin, about six kilometres from the border with Tibet. Featuring six underground turbine units, it is expected to generate 2.3 TWh of urgently needed electricity – the project is therefore a high national priority.
Despite the difficult terrain and the major damage to the construction sites caused by the severe earthquake of 2015, 99 percent of the work has now been completed. Even under these difficult circumstances the project team has rigorously followed its objective of meeting completion deadlines. One key milestone was successfully accomplished in March 2020 when the reservoir, with a storage capacity of 1.2 million m3, was filled with water for the first time. This means that the dam and its appurtenant structures for the 456 MW peak load hydropower plant are now ready for the required technical tests.
Testing dam operation
Following the seven-day impoundment phase, power plant specialists commenced the testing programme in order to evaluate and confirm the dam functionality along with its auxiliary structures. The tests will determine whether structures comply with their design standards, assure the dam’s functionality, and verify the reliable operation of the sedimentation basins and the various mechanical equipment items. As a consequence of the current Covid-19 pandemic, and in order to ensure the health and safety of the people working on site, test activities are currently proceeding at a relatively slower pace.
Once the tests are successfully concluded, the reservoir will be emptied again to allow any rectification works to be carried out. “We hope that we will soon be able to resume our work with maximum efficiency, so that we can achieve our Project objectives as quickly as possible and deliver a Project of such importance to the Nepalese people and for the economic development of the country,” says Renos Christakis, senior geologist at Tractebel.
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About Tractebel
At the helm of the Energy Transition, Tractebel provides a full range of engineering and advisory services throughout the life cycle of its clients’ projects, including design and project management.
As one of the world’s leading engineering and advisory companies and with more than 150 years of experience, it's our mission to actively shape the world of tomorrow. With about 5,000 experts and presence in more than 70 countries, we are able to offer our customers multidisciplinary solutions in energy, water and urban.
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Tractebel Engineering GmbH
Sabine Wulf, Head of Marketing Communications & CSR
Friedberger Straße 173
D-61118 Bad Vilbel
Phone: +49 (61 01) 55 - 0
info-de(at)tractebel.engie.com
Datum: 02.07.2020 - 16:10 Uhr
Sprache: Deutsch
News-ID 615795
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contact information:
Contact person: Sabine Wulf
Town:
Bad Vilbel
Phone: +49 6101 55-0
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Energy & Utilities
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