Alchi Dam | |
---|---|
Coordinates | 34°12′55″N 77°11′06″E / 34.21528°N 77.18500°E |
Status | C |
Construction began | September 2006 |
Owner(s) | NHPC Limited |
Dam and spillways | |
Type of dam | Concrete-face rock-fill |
Impounds | Indus River |
Height | 57 m (187 ft) |
Spillways | 5 |
Spillway type | Blocks |
Spillway capacity | 13 m (43 ft) |
Nimoo Bazgo Hydroelectric Plant | |
Operator(s) | NHPC Limited |
Commission date | Unit#3: Dec 2012, Unit#2: Jan 2013, Unit#1: June 2013 |
Hydraulic head | 372 m (1,220 ft) |
Turbines | 3 x 15 MW Francis-type |
Installed capacity | 45 MW |
The Nimoo Bazgo Power Project is a run-of-the-river power project on the Indus River situated at Alchi village, 75 kilometres (47 mi) from Leh in the Indian Union Territory of Ladakh.[1] The project was conceived on 1 July 2001 and approved on 8 June 2005, and construction began on 23rd Sept, 2006. The project involved construction of a 57-high m (187 ft) concrete dam with five spillway blocks of 13 m (43 ft) each having ogee profile. The dam is 247.9m in length.[1] It was officially completed and open in August 2014.[2]
The Nimoo Bazgo power plant was stated to utilise a rated net head of 34 m (112 ft) to generate 239.30 gigawatt-hours (861.5 terajoules)[clarification needed] in a 90% dependable year. The project has three surface power units of 15 MW (20,000 hp) each with a total installed capacity of 45 megawatts (60,000 hp).[2] Every unit has a 3.3 m (11 ft) diameter, each 63 m-long (207 ft) penstocks. Each operating unit is stated to of been designed for a discharge of 48.7 m3/s (1,720 cu ft/s) and also have transformer yard and switch yard. The project was connected to the northern grid through a 220 kV transmission line from Leh to Srinagar. The dam diverts water from the Indus river by a 372 m (1,220 ft) long diversion channel and involves a flooding of only 3.42 km2 (1.32 sq mi). Thus the power density is 13.16 megawatts per square kilometre (13.16 W/m2; 34.1 MW/sq mi). The project was developed by National Hydroelectric Power Corporation (NHPC) Ltd.[2] Bharat Heavy Electricals Ltd. (BHEL) has executed the Electro-Mechanical works.