MINI HYDROPOWER DEVELOPMENT FOR TANZANIA

COUNTRY: Tanzania REGIONS: Kilimanjaro, Ruvuma, Kigoma and Rukwa CAPACITY: 67MW
YEAR:  CLIENT: IBRD ENERGY: 500GWh
The assignment involved  Identification, Planning, Design and preparation of pre investment and feasibility reports for a series of hydropower plants in  Kilimanjaro, Kigoma,  Ruvuma and Rukwa regions of United Republic of Tanzania.  These regions with the exception of Kilimanjaro are remote and are not yet electrified by the national grid.

The state utilitity TANESCo owns and operates small diesel sets in the last three of these regions to supply the regional capitals. The supply situation is however not reliable due to constraints on the installed capacity of diesel sets, fuel availability, long distance fuel transportation, adverse operating conditions and frequent outages of the diesel generating sets, some of which have reached the end of their economic life.

The map shows the existing grid, places with diesel sets and the areas assigned to SECSD in red. Click these areas to see details of the projects.

MAP OF TANZANIA WITH GRID AND PROJECT AREAS

The Terms of Reference to SECSD included a comprehensive set of tasks involving planning, identification and design of prospective schemes. 

Several leading consultants had identified prospective sites for hydropower since 20 years in these regions which have good hydro potential. The projects were not implemented due to high costs and inability to secure financing. These prospective schemes could be classified under two categories. Those investigated upto Feasibility stage come under  category-1. In such cases, Redesigned layouts  were proposed by SECSD where possible to reduce costs. Sites investigated only upto a preliminary stage and which did not merit further investigation were classified as category-2. In such cases, alternative sites were selected such that they are viable and economical. The revised planning by SECSD has many benefits and it is possible to implement the schemes economically to serve the load demand for the next two decades. 

REGION PROJECTS POWER
(MW)
ENERGY
(GWh)
KILIMANJARO 4 17 100
KIGOMA 5 40 326
RUKWA 3 3 18
RUVUMA 3 7 54
TOTAL 15 67 498
SECSD did planning, identification of prospective hydropower sites and prepared feasibility studies for a series of projects  located on Muhuwesi river in Ruvuma region to supply Tunduru, Kikuletwa river in Kilimanjaro region to supply Arusha and Moshi towns, Malagarasi river in Kigoma region to supply Kigoma and Uvinza and Mtambo river in Rukwa region to supply Mpanda.

 

PROJECTS WITH CAPACITY

The assignment  was executed in eight phases and a series of four main reports were developed supported by thirteen annexure volumes containing hydrological and other data. The reports cover all aspects which are required for a competitive bid.

The Terms of Reference also included,  a three week training component for the associated staff of TANESCo with emphasis on the planning, design aspects of the schemes as well as familiarization with CAD systems.

TANESCo STAFF TRAINING

The Government of Sweden through IBRD financed the study which forms the mini hydro component of the World Bank’s assistance program to Government of Tanzania. The findings are intended for the benefit of Tanzania’s state owned electric power utility TANESCO which is involved in generation, transmission and distribution of electricity and is administered under the Ministry of Energy and Minerals. To save time, chartered aircraft were used to cover the large distance between Dar Es Salaam and some project areas.

MASAI CHILDREN NEAR KIKULETWA PROJECT

SECSD TEAM ARRIVING AT TUNDURU AIRSTRIP 

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