|MAIN FINDINGS OF THE STUDY|
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(1) All regions considered in this study are endowed with perennial streams
and rivers with many potential sites suitable for economically developing
hydropower projects upto small scale (10 MW).
(2) To meet the load demand in the short term from these sources would
necessarily require that effort and time spent on the stages in a
conventional approach to hydropower such as planning, investigations,
design and tendering is kept to a minimum so that implementation
can commence quickly, and the design be simplified such that the
construction period is limited to one or two
(3) The towns/regions referred to SECSD and
the study methodology adapted come under two categories.
In the first category are the potential schemes in the region which
have already been investigated to feasibility stage by TANESCO
and other agencies, but have not been implemented due to various factors
such as high cost and non availability of financing.
(4) SECSD found that these existing studies need to be
updated by improving the planning, layout and design approach so
as to minimize the implementation cost and construction period. To see some
of the factors contributing to high estimated cost, see the link below.
(5) Due to the above aspects, the
projects provided only marginal economic and financial benefits. Most
of the estimated costs of such candidate projects in these regions
ranged from about US$3000 to 8000 per kW rendering the sites rather
uneconomical for development as originally planned. Hence the planning and
layout have been revised to considerably reduce implementation cost and
(6) In the second category are sites which have been identified on the basis of concentrated drops or steep gradients in the river
bed with only basic data and studies for such sites. During reconnaissance of these potential sites, it was found that these sites
were not suitable for justifying expenditure on further studies leading to
In such category -2 cases new sites have been identified and a pre investment report
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