Nagarjun Sagar
| Nagarjuna Sagar Dam | |
|---|---|
నాగార్జునసాగర్ ఆనకట్ట
Nagarjuna Sagar Dam |
|
 Location of Nagarjuna Sagar Dam in India
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| Official name |
నాగార్జునసాగర్ ఆనకట్ట Nagarjuna Sagar Dam |
| Location | India |
| Coordinates | 16°34′32″N 79°18′42″E / 16.57556°N 79.31167°ECoordinates: 16°34′32″N 79°18′42″E / 16.57556°N 79.31167°E |
| Construction began | 10 December 1955 |
| Opening date | 1967 |
| Construction cost | 132.32crore rupees |
| Dam and spillways | |
| Impounds | Krishna River |
| Height | 124 metres (407 ft) from river level |
| Length | 1,550 metres (5,085 ft) |
| Reservoir | |
| Creates | Nagarjuna Sagar Reservoir |
| Total capacity | 11.56×109 m3 (9×106 acre⋅ft) (405 Tmcft) |
| Active capacity | 5.44×109 m3 (4,410,280 acre⋅ft) |
| Catchment area | 215,000 square kilometres (83,000 sq mi) |
| Surface area | 285 km2 (110 sq mi) |
| Power Station | |
| Operator(s) | TSGENCO |
| Commission date | 1978-1985 |
| Turbines | 1 x 110 MW Francis turbine, 7 x 100.8 MW reversible Francis turbines |
| Installed capacity | 816 MW (1,094,000 hp) |
Nagarjuna Sagar Dam was built across the Krishna river at Nagarjuna Sagar which is in between Guntur District and Nalgonda District. The construction duration of the dam was between the years of 1955 and 1967. The dam created a water reservoir whose gross storage capacity is 11.472 billion cubic metres (405.1×109 cu ft). The dam is 490 feet (150 m) tall from its deepest foundation and 0.99 miles (1.6 km) long with 26 flood gates which are 42 feet (13 m) wide and 45 feet (14 m) tall. Nagarjuna Sagar was the earliest in the series of large infrastructure projects termed as "modern temples" initiated for achieving the Green Revolution in India. It is also one of the earliest multi-purpose irrigation and hydro-electric projects in India. The dam provides irrigation water to the Nalgonda, Suryapet, Krishna, Khammam, West Godavari, Guntur and Prakasam districts along with hydro electricity generation. Nagarjuna Sagar dam is designed and constructed to use all the water impounded in its reservoir of 408 TMC gross storage capacity which is the second biggest water reservoir in India.
Project construction was officially inaugurated by Prime Minister Jawaharlal Nehru on 10 December 1955 and proceeded for the next twelve years. Raja Vasireddy Ramagopala Krishna Maheswara Prasad, popularly known as late Muktyala Raja was instrumental in the construction of the Nagarjuna Sagar Dam via active political lobbying, a donation of one hundred million British pounds and fifty five thousand acres of land. It was the tallest masonry dam in the world at that time. The reservoir water was released into the left and right bank canals by Prime Minister Indira Gandhi in 1967. Construction of the hydropower plant followed, with generation increasing between 1978 and 1985, as additional units came into service. In the year 2015, diamond jubilee celebrations of project's inauguration was celebrated remembering the prosperity the dam has ushered in the region.
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Wikipedia