Santo Antônio

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Santo Antônio is a large 3568 MW hydropower project on the Madeira river, the largest tributary of the Amazon, in the western Brazilian state of Rondônia.

The assessment was carried out over the period June to May 2014 using the implementation tool of the Hydropower Sustainability Assessment Protocol. The Protocol assesses 20 topics and assigns scores for each between 1 and 5, with 5 representing Proven Best Practice and 3 representing Basic Good Practice.

The project generally demonstrates very high standards in its sustainability management, a finding supported by the main socio-environmental regulator, IBAMA, which considers the project a good model for future hydropower developments in the Amazonian region.

The assessment demonstrates that for the clear majority of the Protocol topics, the PBA programmes, in combination with the dedicated management of SAE’s sustainability team and the sustainability-related staff of the EPC consortium, ensure that the Protocol criteria are met at the level of proven best practice.

The Santo Antônio project meets or exceeds basic good practice (a score of 3) for 18 of the 20 topics assessed. The project performs with one significant gap at the level of basic good practice (a score of 2), for two topics: I10 (Resettlement) and I-11 (Indigenous Peoples). (See diagram, below.)

Assessment Spider Diagram

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Project website


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