Gitaru Hydroelectric Power Station

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Gitaru Hydroelectric Power Station
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Location of Gitaru Hydroelectric Power Station in Kenya
Country Kenya
Location Embu County/Machakos County
Coordinates 00°47′43″S37°45′09″E / 0.79528°S 37.75250°E / -0.79528; 37.75250
PurposePower
StatusOperational
Construction began1975
Opening date1978;46 years ago (1978)
Owner(s) Kenya Electricity Generating Company
Dam and spillways
Type of dam reservoir
Impounds Tana River
Height30 m (98 ft)
Length580 m (1,900 ft)
Spillway capacity4,500 m3/s (160,000 cu ft/s)
Reservoir
Total capacity16,000,000 m3 (13,000 acre⋅ft)
Normal elevation924 m (3,031 ft)
Gitaru Hydroelectric Power Station
Coordinates 00°47′43″S37°45′09″E / 0.79528°S 37.75250°E / -0.79528; 37.75250
Operator(s) Kenya Electricity Generating Company
Commission date1999 (Unit 3)
Type Run-of-the-river
Hydraulic head 136 m (446 ft)
Turbines 2 x 72 MW, 1 x 81 MW Francis-type
Installed capacity 225 MW (302,000 hp)

The Gitaru Hydroelectric Power Station, also known as the Gitaru Dam, is a rock and earth-filled embankment dam on the Tana River in Kenya. It straddles the border between Embu and Machakos Counties in the former Eastern Province. The primary purpose of the dam is hydroelectric power generation. It supports a 225 megawatt power station. [1]

Contents

Location

The power station is located approximately 16.5 kilometres (10 mi), by road, east of the town of Mavuria in Embu County. [2] This is approximately 161 kilometres (100 mi), by road, northeast of Nairobi, Kenya's capital city. [3] The geographical coordinates of Gitaru Power Station are:00°47'43.0"S, 37°45'09.0"E (Latitude:-0.795278; Longitude:37.752500). [4]

History

Construction of the dam began in 1975 and was completed in 1978. The third generating set, mobilizing the full potential of the power station was not commissioned until 1999. [5] The World Bank lent US$63 million towards the development of this power station. The station is operated by the Kenya Electricity Generating Company and is part of the Seven Forks Scheme. [6]

Overview

The 30 m (98 ft) tall dam holds a 16,000,000 m3 (13,000 acre⋅ft) reservoir. The relatively small reservoir relies on steady releases from the Masinga and Kamburu Dams upstream. The reservoir power station is located underground near the left abutment and contains two 72 megawatt and one 81 megawatt Francis turbine-generators. Water released from the station is returned to the Tana at the Kindaruma Reservoir via a 4.7 km (2.9 mi) long tailrace tunnel. The difference in elevation between the reservoir and power station affords a net hydraulic head of 136 m (446 ft). [7]

See also

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References

  1. ↑ KenGen (2010). "About Gitaru Hydroelectric Power Station". Nairobi: Kenya Electricity Generating Company . Retrieved 28 September 2020.
  2. ↑ "Road Distance Between Mavuria And Gitaru Hydroelectric Power Station" (Map). Google Maps . Retrieved 28 September 2020.
  3. ↑ "Road Distance Between Nairobi And Gitaru Hydroelectric Power Station" (Map). Google Maps . Retrieved 28 September 2020.
  4. ↑ "Location of Gitaru Hydroelectric Power Station" (Map). Google Maps . Retrieved 28 September 2020.
  5. ↑ KenGen (17 April 2016). "History of Gitaru Hydroelectric Power Station". Nairobi: Kenya Electricity Generating Company. Archived from the original (Archived from the original on 17 April 2016) on 17 April 2016. Retrieved 28 September 2020.
  6. ↑ World Bank (1975). "Kenya - Gitaru Hydroelectric Project (English)". Washington, DC: World Bank . Retrieved 28 September 2020.
  7. ↑ "Kenya - Appraisal of the Gitaru Hydroelectric Project" (PDF). World Bank. 23 May 1975. pp. Annex 5. Retrieved 21 February 2015.
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