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Koldam Dam

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Title: Koldam Dam  
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Subject: Bhakra Dam, NTPC Power Stations, Jhanor-Gandhar Thermal Power Station, Pandoh Dam, Farakka Super Thermal Power Station
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Koldam Dam

A rendition of the dam
Koldam Dam is located in India
Koldam Dam
Location of Koldam
Official name Koldam Hydroelectric Power Project
Country India
Location Bilaspur district and Mandi district
Status Under construction
Construction began 2000
Opening date 2014
Owner(s) National Thermal Power Corporation
Dam and spillways
Type of dam Embankment, rock-fill with clay core
Height (foundation) 167 m (548 ft)
Height (thalweg) 153 m (502 ft)
Length 474 m (1,555 ft)
Elevation at crest 648 m (2,126 ft)
Width (crest) 14 m (46 ft)
Dam volume 12,000,000 m3 (15,695,407 cu yd)
Spillway type Chute, six radial gates
Spillway capacity 16,500 m3/s (582,692 cu ft/s)
Total capacity 560,000,000 m3 (453,999 acre·ft)[1]
Max. length 40 km (25 mi)
Normal elevation 642 m (2,106 ft)[2]
Power station
Commission date 2014-2015 est.[3]
Hydraulic head 144 m (472 ft) (static)
Turbines 4 x 200 MW Francis-type
Installed capacity 800 MW

The Koldam Dam Hydropower Project of the NTPC Limited, commonly known as KolDam, is an under construction embankment dam on the Sutlej River near Barmana on the Chandigarh-Manali Highway ( NH-21 ) and the border of Bilaspur district and Mandi district, Himachal Pradesh, India. The main purpose of the dam is hydroelectric power generation and it will support an 800 MW power station. The foundation stone for the dam was laid on 5 June 2000 by Prime Minister Atal Bihari Vajpayee. On 14 January 2004, main construction on the dam began.[2] Due to problems associated with habitat and forest loss, the project has been delayed. Attempts to impound the reservoir first failed in December 2013 due to problems with sealing the diversion tunnels. By 18 March 2014, a fourth attempt to seal the tunnels and fill the lake was underway.[4] Repairs were made and impounding was mostly complete in April 2014.[5] Generator commissioning was original scheduled for 2009 but has been rescheduled to later in 2014 and 2015.[3][6][7]

See also


  1. ^ Heard, S.P.; , P. Gardron R.C. Senan, M.Agarwal. "Koldam hydroelectric Project a new hydroelectric project on the Satluj river in India.". Retrieved 23 November 2011. 
  2. ^ a b "Kol Dam Hydro Electric Power Project". Italian-Thai Development PLC. Retrieved 23 November 2011. 
  3. ^ a b "Kol Dam HEP commissioning now slated for 2013". Asian Power. 24 June 2011. Retrieved 23 November 2011. 
  4. ^ "Impounding of water in NTPC's Koldam hydel project begins". Power Business View. 18 March 2014. Retrieved 1 April 2014. 
  5. ^ "NTPC conducts reservoir impounding for Kol dam project". The Times of India. 9 April 2014. Retrieved 13 May 2014. 
  6. ^ "Koldam Project of NTPC suffers major setback in Himachal". Jagran Post. 5 June 2011. Retrieved 23 November 2011. 
  7. ^ "800 MW Koldam project commissioning extended to April 2014". MoneyControl. 15 December 2012. Retrieved 2 August 2013. 
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