Bhakra Nangal dam is the world's highest straight gravity dam, constructed across the River Satluj. This dam is located at a distance of about 116 kms from Chandigarh.
Bhakra Nangal Dam is a concrete gravity-arch dam across the Sutluj River near the border between Punjab and Himachal Pradesh in northern India. The dam was part of the larger multipurpose Bhakra Nangal Project whose aims were to prevent floods in the Sutlej-Beas river valley, to provide irrigation to adjoining states and to provide hydro-electricity.
Bhakra Nangal project is committed for nation’s development through eco-friendly generation of electric power from water known as hydroelectricity. It has an installed capacity to generate 1478.72 MW of electric power.
The reservoir of Bhakra Nangal Dam is known as the Gobind Sagar stores up to 9.34 billion cubic metres of water enough to drain the whole of Chandigarh, parts of Haryana, Punjab and Delhi. The 90 km long reservoir created by the Bhakra Dam is spread over an area of 168.35 km2. In terms of storage of water, it withholds the second largest reservoir in India, the first being Indira Sagar Dam in Madhya Pradesh with capacity of 12.22 billion cu m.
The dam was constructed with an aim to provide irrigation to Himachal Pradesh and Punjab. Another reason behind the construction of the dam was to prevent damage due to monsoon floods. The power generated at Bhakra Power houses is distributed among partner states of Himachal Pradesh, Punjab, Haryana, Rajasthan, and Gujarat
The construction work of Bhakra Nangal Dam began in 1948 and got completed in 1963.
Features of Bhakra Nangal Dam includes :
- 4 spillway radial gates with each gate is weighing 102 tons and having dimensions of 50’x 47.5’.
- The spillway crest level is around 1645 ft. and the gate sill level is around 1642 ft.
- The Bhakra dam has maximum opening of 9.8 M with a total discharge of 1,97,300 cusecs.
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