Sholayar Dam is a concrete dam built across the Chalakkudi River in Valparai in Coimbatore District,Tamil Nadu of India.[1][2] The dam consists of main Sholayar Dam, Sholayar Flanking and Sholayar Saddle Dam. It also contains Sholayar Hydro Electric Power Project of TNPWD who owns the dam. Total installed capacity of the project is 54MW with 3 penstock pipes.[3] The maximum storage capacity is 2663 feet.[4] Sholayar is 65 km from Chalakudy town.[5] The dam above Sholayar dam was Upper Solaiyar Dam owned by Tamil Nadu.
Sholayar Dam | |
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Official name | Sholayar hydro electric project |
Location | Valparai, Coimbatore India 20px |
Coordinates | 10°19′18″N 76°44′07″E |
Purpose | Electricity |
Opening date | 1965 |
Operator(s) | TNPWD |
Dam and spillways | |
Impounds | Sholayar Chalakkudy River |
Height | 56 m (184 ft) |
Length | 430.53 m (1,412 ft) |
Spillway capacity | 1825 M3/Sec |
Reservoir | |
Creates | Lower Sholayar Reservoir |
Total capacity | 153,600,000 cubic metres (5.42×109 cu ft) (5.42 tmcft) |
Active capacity | 150,200,000 cubic metres (5.30×109 cu ft) (5.31 tmcft) |
Surface area | 8.705 hectares (21.51 acres) |
Power Station | |
Operator(s) | TNPWD |
Commission date | 1961 |
Turbines | 3 x 18 Megawatt (Francis-type) |
Installed capacity | 54 MW |
Annual generation | 233 MU |
Sholayar Power House |
Sourabh Singh Sholayar Dam, Sholayar Saddle Dam and Sholayar Flanking dam are commissioned in 1965. The reservoir has an area of 8.705 square km and the length of the dam is 430.60 metres. The Sholayar Dam has a height of 66 metres and 430 metres width,[6] Sholayar Flanking Dam has a height of 18 metres from the foundation with 109 metres length[7] and Sholayar Saddle has a height of 259 metres and 109 metres width.
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