The Jigüey Dam is an arch-gravity dam on the Nizao River about 32 km (20 mi) west of San Cristóbal in San José de Ocoa Province of the Dominican Republic. At 110.5 m (363 ft) tall, it is the third highest dam in the country. The purpose of the dam is to produce hydroelectric power and it supplies the largest hydroelectric power station in the country.

Jigüey Dam
Presa de Jiguey, Dominican Republic
Jigüey Dam is located in the Dominican Republic
Jigüey Dam
Location of Jigüey Dam in the Dominican Republic
Official namePresa de Jigüey
CountryDominican Republic
LocationSan José de Ocoa Province
Coordinates18°32′47.65″N 70°22′38.39″W / 18.5465694°N 70.3773306°W / 18.5465694; -70.3773306
PurposePower
StatusOperational
Opening date1992; 32 years ago (1992)
Construction costUS$500 million
Owner(s)Dominican Hydroelectric Generation Company
Dam and spillways
Type of damArch-gravity
ImpoundsNizao River
Height110.5 m (363 ft)
Spillway typeCrest, uncontrolled overflow
Spillway capacity11,910 m3/s (421,000 cu ft/s)
Reservoir
Total capacity167,970,000 m3 (136,180 acre⋅ft)
Active capacity130,950,000 m3 (106,160 acre⋅ft)
Inactive capacity37,020,000 m3 (30,010 acre⋅ft)
Catchment area887 km2 (342 sq mi)
Normal elevation541.5 m (1,777 ft)
Jigüey Hydroelectric Station
Coordinates18°30′35.40″N 70°19′51.21″W / 18.5098333°N 70.3308917°W / 18.5098333; -70.3308917
Commission date1992
Turbines2 x 49 MW Francis-type
Installed capacity98 MW

The dam diverts water through over 4.4 km (2.7 mi) of headrace pipe and penstock to the power station downstream. The power station contains two 49 MW Francis turbine-generators for an installed capacity of 98 MW. The dam was completed and its power station was commissioned 1992. It cost US$500 million to build and funding was provided by the host government.[1][2][3]

See also

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References

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  1. ^ "Presa Jiguey" (in Spanish). Arqhys Architecture. 4 December 2012. Retrieved 24 April 2014.
  2. ^ "Reference List" (PDF). Ansaldoksa. Archived from the original (PDF) on 24 April 2014. Retrieved 24 April 2014.
  3. ^ "Data Plant: Jiguey" (in Spanish). Dominican Hydroelectric Generation Company. Retrieved 24 April 2014.