The Imboulou Dam is a dam on the Léfini River, near Ngabé, Ngabe District, Pool Department, Republic of the Congo, about 300 kilometers north of Brazzaville. It was inaugurated by President Denis Sassou-Nguesso on the 7 May 2011.[3]

Imboulou Dam
Rendition of the dam
Imboulou Dam is located in Republic of the Congo
Imboulou Dam
Location of Imboulou Dam in Republic of the Congo
Official nameImboulou Dam
LocationBetween the Plateaux Department and the Pool Department
Coordinates2°56′07″S 16°02′13″E / 2.93528°S 16.03694°E / -2.93528; 16.03694
Construction began2005
Opening date2011
Construction cost170 billion FCFA (340 M$)
Dam and spillways
Type of damGravity, roller-compacted concrete/Earthen embankment
ImpoundsLéfini River
Height32.5 m (107 ft)
LengthGravity dam: 310 m (1,020 ft)
Earthen dam: 270 m (886 ft)
Total:580 m (1,903 ft)
Spillway capacity1,200 m3/s (42,000 cu ft/s)[1]
Reservoir
Total capacity584,000,000 m3 (473,000 acre⋅ft)[2]
Power Station
Turbines4 x 30 MW (40,000 hp) Kaplan turbines
Installed capacity120 MW (160,000 hp)
Annual generation876×10^6 kWh (3.15×109 MJ)

References

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  1. ^ "Diversion works". International Water Power & Dam Construction. 16 December 2008. Retrieved 14 June 2011.[permanent dead link]
  2. ^ "Construction supervision Imboulou hydropower plant / Republic of the Congo". Fichtner. Archived from the original on 23 March 2012. Retrieved 14 June 2011.
  3. ^ (in French) « Énergie électrique : le barrage d'Imboulou entre en production », Les Dépêches de Brazzaville, 05-09-2011.