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Hydro Resource Evaluation Tool
economic assessment
Project Cost - Low Bound
The alternative approach to estimate a project cost is based on cost data analysis, using primary cost data which were recently obtained from a range of turbine manufacturers as well as secondary data. This approach is based on the idea that it is possible to establish a link between specific characteristics of a hydro site such as head and flow on one hand and the overall cost of a hydro plant development together with disaggregated costs like a cost of electro-mechanical equipment or turbine costs on the other. This concept was originally introduced by Gordon [1] in 1979. We have developed this concept and applied it to estimate the overall cost of a hydro project as well as its components. This approach provides an indication of a lower bound to a likely outlay.
For heads 2m - 30m, the overall project cost can be estimated using the folowing expression:
CP = 25000 × (kW/H 0.35) 0.65 (£, 2008),
For heads 30m - 200m, the folllowing formula should be used:
CP = 45500 × (kW/H 0.3) 0.6 (£, 2008)
It should be noted that these estimates provide a low bound for the overall project costs.
To find out the low bound for the overall project costs, please use the table below and submit the required information:
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Please make sure that you are using the right units.
If you have carried out a more detailed assessment of your hydro resource based on the Flow Duration Curves (FDCs) or field data (see sections ), then click 'Project Cost - Tier 2' link below to estimate the low bound for the project cost.
