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(1) The approach under category one by modifying the site locations, layout, planning and designs has been used for Kikuletwa No.2 project on the river Kikuletwa in Kilimanjaro region and Igamba falls on Malagarasi river in Kigoma region respectively. These two case studies demonstrate how the implementation cost has been cut significantly and construction period reduced so that small/mini hydro's can be rendered economical by adapting a cost effective approach in planning.

See the links below for examples

Kikuletwa Stage-3 Igamba Falls Stage-2
(2) The approach under category two by exploring and selecting alternative sites has been adopted in the case studies for Mtambo river for supplying Mpanda town in Rukwa Region and Muhuwesi river for supplying Tunduru town in Ruvuma Region. 

See the links below for examples

Muhuwesi Project Mtambo-Sanda Project


(1) Both the approaches above result in a series of projects in a cascade. One representative project in each region, which is feasible at least cost and can meet the demand for the next few years has then been selected for the pre-investment study. It is felt that the remaining projects can also be further investigated on the same lines by TANESCO through its various field offices and facilities which are near some of the project areas. (2) The cascade design is such that its installed capacity can be augmented in stages to fully meet the anticipated maximum power and energy demands of the districts in the region. Hence capital requirements for implementation will be moderate and phased according to growth of load demand thereby avoiding a heavy financial burden.
(3) These projects will be able to cater to the electric power demands adequately. The greatest advantage of the power obtained from these projects will be its reliability and low production cost since it will exploit the natural hydropower potential (4) Due to the stable run off characteristics of the rivers, the sufficient quantity of cheap power will promote a faster economic growth in the regions. This will be of great importance in raising the living standards of the inhabitants of the region.
(5) The cascade schemes can give rise  ultimately to a strong regional grid which will make it possible for development of a national grid. (6) There is likely to be immense social benefits to the rural population. Electricity will allow the population much greater opportunity to participate in national development. There are likely to be benefits to the public health, education and water supply pumping sectors also.

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