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Reventazon HPP – Early Disclosure


Through this Early Disclosure, IFC provides access, early in the environmental and social assessment process, to this draft Environmental and Social Impact Assessment (ESIA). This ESIA has been prepared by the client and should not be taken as an indication that IFC has completed its review of the potential investment. The purpose of this Early Disclosure is to enhance the transparency of IFC’s activities with reference to those projects or investments with potential significant adverse environmental and social risks and/or impacts. Any project documentation or data included or attached herein has been prepared and authorized for public release by the client.


The disclosure of this ESIA should not be construed as presuming the outcome of IFC’s review of the potential investment or the decision of its Board of Directors. An updated version of the ESIA reviewed by IFC may be disclosed at a later stage. In addition, prior to any consideration of the investment by IFC’s Board of Directors, the Summary of Investment Information (SII) and the Environmental and Social Review Summary (ESRS) would be disclosed at least 60 days in advance.


Project number 31383 Early disclosure date March 16, 2012
Company name Reventazon Trust Projected board date  July 30, 2012
Country Costa Rica    
Sector V-BA - Large Hydro - Renewable Energy Generation    
Provisional Environmental Category A - Significant    
Department CN2S7 - Reg Ind, Infra & Nat Res, Caf/Cla/Infra-Pow Trans Util-CLA    



Project description


The Project consists in the development, construction and operation of a 305 MW hydropower generation plant in the Reventazón river basin located in Siquirres, province of Limón, one of poorest regions in CR.  It would be the largest hydropower project in CR (and Central America) when it starts operations in 2016.  The Project involves a relatively long construction process of 4-5 yrs (medium size hydro projects are usually built in around 3 years) which has already started (15-20% advance according to ICE).  It comprises an 8.8m diameter /2 km tunnel, and a 535 meter long / 125 meter high dam, with a reservoir area of approximately 690 ha.





EIA Reventazon 1

EIA Reventazon 2

EIA Reventazon 3

EIA Reventazon 4

EIA Reventazon 5

EIA Reventazon 6

EIA Reventazon 7

EIA Reventazon 8

EIA Reventazon 9

EIA Reventazon 10

EIA Reventazon 11

EIA Reventazon 12

EIA Reventazon 13

EIA Reventazon 14


Parte A - Resumen Ejecutivo

Parte B - Estudio de Calidad del Agua

Parte C - Estudio de sedimentos

Parte D - Plan de Manejo de la Construccion

Parte E - Plan de Manejo de la Biodiversidad

Parte F - Propuesta de Proyecto de Compensación de Biodiversidad

Parte G - Peces y su habitat

Parte H - Efectos Acumulativos

Parte I - Emisiones de Gases de Efecto Invernadero





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