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At least one input in this analysis appears to be unrealistic. Internal Rates of Return should be between -5% and 25%. The IRR of this analysis is 25%. Check the units and currencies for errors.

Usina Hidrelétrica de Boa Esperança, Piauí, Brazil

River: Rio Parnaíba

Status: In Operation

IgorPCV - Aug 30th, 2011

8,750 hectares flooded

37 hectares per MW

1,000 people displaced

4 people per MW

418 million BRL
net present value
(Excluding environmental costs)

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Results
Net Present Value418,047 thousand BRL
NPV including net greenhouse gas emissions408,157 thousand BRL
Internal Rate of Return25.0% (unrealistic)
Hectares flooded per MW37 hectares per MW
Gross CO₂ equivalent emissions14,122 thousand metric tonnes
Gross CO₂ equivalent per MW59,511 metric tonnes per MW
Hectares flooded per MW37 hectares per MW
People displaced per megawatt4 people per MW

Inputs and assumptions
People displaced1,000 people displaced
Area flooded8,750 hectares
Installed capacity 237.3 MW
Capacity used70%
Construction time6 years
Construction cost230,000,000 BRL
Transmission infrastructure cost60,000,000 BRL
Wholesale price of energy100 BRL
Economic discount rate12%

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