The Tallest Dam in India-Tehri Dam
The Tehri dam, located in Tehri in Uttarakhand, India, is a multi-reason rock and earth-fill embankment dam.
Tehri is a small town around 200 km north of Delhi. Tehri Dam is the highest dam in India, the second tallest in Asia, and the eighth tallest in the world, with a height of 260.55 meters. It’s a truly multipurpose dam, featuring a reservoir for agriculture, municipal water distribution, and 1,000-megawatt hydroelectric technology, as well as 1,000 megawatts of pumped garage hydroelectricity. The Tehri Hydropower Complex includes the Tehri Dam and the Tehri Pumped Storage Hydroelectric Power Plant.
In 1961, a pilot study for the Tehri Dam Project was completed. In 1972, the dam’s layout was completed. A 600 MW potential energy project was permitted based on the analysis. However, development began in 1978 when feasibility studies were completed but were delayed due to economic, environmental, and social concerns. The former USSR provided technical and economic aid in 1986, but this was terminated years later due to political instability in the USSR. As a result, the responsibility was assigned to the Uttar Pradesh Irrigation Department by the Indian government.
The Tehri Hydro Development Corporation (THDC) was established in 1988 to oversee the dam’s operation.The Central Government provided 75% of the investment, while the State Government of Uttar Pradesh provided the other 25%. The State Government of Uttar Pradesh also sponsored the whole irrigation portion of the project. The assignment was reviewed in 1990, and the dam’s layout was changed to its contemporary multifunctional form. The Tehri Dam’s construction was completed in 2006, and the dam was dedicated to the country.The Tehri Dam, which stands at a magnificent 260.55 meters, is India’s highest dam and the world’s eighth tallest dam. This rock and earth-fill embankment dam are 575 meters long, with a 20-meter crest and a 1,128-meter bottom width. The reservoir floor area of the dam is 52 km2 (20 rectangle miles), with a total capacity of four km3 (3.2 million acre-ft). The dam features gate-controlled spillways with a flow capacity of 15,540 cubic meters per second in step with the 2nd.
Tehri Dam, being a multifunctional dam, provides large amounts of energy as well as drinking and agricultural water to a larger area of Northern India, including the country’s capital city of Delhi. The dam contains Francis pump generators with a capacity of a thousand megawatts of electricity and a thousand megawatts of pumped garage hydroelectricity. The Koteshwar Dam, with a capacity of 400 MW, is part of the Tehri Hydropower Complex. The Tehri dam has a maximum capacity of 2400 MW.
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