Dam din Bumbuna

Madatsar ruwan Bumbuna madatsar ruwa ce mai cike da duwatsu a kan kogin Seli kusa da Bumbuna a gundumar Tonkolili, Sierra Leone, da kuma 350 kilometres (220 mi) daga babban birnin Freetown, babban mai amfani da wutar lantarki. Madatsar ruwa ta farko a ƙasar, tana da ƙarfin 50 megawatts (67,000 hp) tashar wutar lantarki. An fara gano wurin da aka gina madatsar ruwa a Bumbuna Falls a shekarar 1971, kuma an fara gina ginin a shekarar 1975. An dakatar da aikin a watan Mayu na shekarar 1997, kimanin kashi 85% ne aka kammala, saboda Yaƙin Basasa na Saliyo, kuma ba a sake fara aikin ba sai a shekarar 2005. An kammala aikin kuma an fara amfani da shi ta intanet a shekarar 2009. Bankin Raya Afirka ne ya samar da kusan kashi ɗaya bisa uku na kudin dalar Amurka miliyan 327 ($103 miliyan). Wani rahoto da aka fitar a ranar 26 ga Janairu, 2005 ya nuna cewa kauyuka 33 ne madatsar ruwa za ta shafa, kodayake mutum ɗaya ne kawai (daga cikin gidaje 16 da mutane 135) za su buƙaci sake tsugunar da su. Madatsar ruwan tana da matsakaicin tsayin 87 metres (285 ft), tsawon 400 metres (1,300 ft) a gefen kuma girman 2,500,000 cubic metres (88,000,000 cu ft) . Yawan ma'ajiyar da aka ƙirƙira shine 410,000,000 cubic metres (1.4×1010 cu ft) , 428,000,000 cubic metres (1.51×1010 cu ft) ko kuma 480,000,000 cubic metres (1.7×1010 cu ft) . Akwai injinan Francis guda biyu, kowannensu yana da 25 megawatts (34,000 hp) . Bayan kammala aikin, an samu matsaloli da dama, kuma da kyar ake samar da 10 megawatts (13,000 hp) ko 25 megawatts (34,000 hp) kamar na 2013. An shirya wani mataki na biyu, don 110 megawatts (150,000 hp)tashar wutar lantarki . A watan Yunin 2011, gwamnati ta sanar da cewa ta ba da aikin Phase II na dala miliyan 750 ga Joule Africa, wani kamfani da ke Burtaniya. Wannan zai kunshi madatsar ruwa ta biyu da kuma tashar. An shirya fara ginin a shekarar 2014 kuma zai ci gaba har zuwa akalla 2017. Manazarta