Dharasu Power Station

The Dharasu Power Station is a run-of-the-river hydroelectric power station on the Bhagirathi River located at Dharasu in Uttarkashi district, Uttarakhand, India. The power station was commissioned in 2008 and has a 304 MW capacity.

Dharasu Power Station
CountryIndia
LocationDharasu, Uttarakhand
Coordinates30°36′26″N 78°19′09″E / 30.60722°N 78.31917°ECoordinates: 30°36′26″N 78°19′09″E / 30.60722°N 78.31917°E
StatusOperational
Construction began1979
Opening date2008
Owner(s)Uttarakhand Jal Vidyut Nigam Limited
Power Station
Hydraulic head247.6 m (812 ft) (design)
Turbines4 x 76 MW Francis-type
Installed capacity304 MW

Background

The power station is stage two of the Maneri Bhali Hydroelectric Project which was planned in the 1960s. In 1979, construction on stage two began. In 1984, the first stage, the 90 MW Tiloth Power Plant located upstream at Uttarkashi at 30°43′36″N 78°26′44″E / 30.72667°N 78.44556°E was completed. Dharasu, the second stage was halted in 1990 due to funding issues and was not restarted until 2002.[1] The power station was eventually completed and commissioned by 2008.[2]

Design

Water supplied to the power station is first diverted from the Bhagirathi River into a 16 km (10 mi) long tunnel by the 81 m (266 ft) long Bhali (Joshiyara) Dam located upstream near Bhali at 30°43′46″N 78°25′25″E / 30.72944°N 78.42361°E. The difference in elevation between the barrage and the power station affords a design hydraulic head of 247.6 m (812 ft) and gross head of 285 m (935 ft). The water powers four 76 MW Francis turbine-generators before being discharged back into the river. The design discharge of the power station is 142 m3/s (5,015 cu ft/s).[2][3]

See also

References

  1. ^ "Power from Maneri Bhali by year-end". Outlook India. 12 March 2006. Retrieved 11 July 2011.
  2. ^ a b "Dharasu HEP (4x76=304 MW)". Uttaranchal Jal Vidyut Nigam Limited. Archived from the original on 27 December 2009. Retrieved 11 July 2011.
  3. ^ "The Challenge and Status of The Maneri Bhali Stage-II Hydroelectric Project". Uttaranchal Jal Vidyut Nigam Limited. Retrieved 12 July 2011.
Dharasu

Dharasu is a town in Uttarkashi district, Uttarakhand, India.

List of run-of-the-river hydroelectric power stations

The following page lists hydroelectric power stations that generate power using the run-of-the-river method. This list includes most power stations that are larger than 100 MW in maximum net capacity, which are currently operational or under construction. Those power stations that are smaller than 100 MW, and those that are only at a planning/proposal stage may be found in regional lists, are listed at the end of the page.

Maneri Dam

The Maneri Dam is a concrete gravity dam on the Bhagirathi River located at Maneri, 8.5 kilometres (5.3 mi) east of Uttarkashi in Uttarkashi district, Uttarakhand, India. The primary purpose of the dam is to divert water into a tunnel which feeds the 90 megawatts (120,000 hp) run-of-the-river Tiloth Power Plant.

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