Hydroelectric Estreito


Estreito


The Estreito Hydroelectric Power Station on the Tocantins River, is a development of Consórcio Estreito Energia (Ceste) [Estreito Power Consortium], in which Alcoa has a 25.49% share. The other investors are Tractebel Energia (40,07%); Vale (30%) and Camargo Corrêa Energia S.A (4,44%).


The power station produces 1,087 megawatts of power and its use concession was acquired at an auction organized by Agência Nacional de Energia Elétrica (Aneel) [Brazilian Electricity Regulatory Agency] on July 12, 2002. At the end of 2006, the Basic Environmental Project was approved by the Institute Brasileiro do Meio Ambiente e dos Recursos Naturais Renovaveis (IBAMA) [Brazilian Environmental and Renewable Natural Resources Institute], a body linked to the Ministry of the Environment. This led to the Installation License being issued for constructing the Estreito Hydropower Station, which was inaugurated on October 17, 2012 and generated some 36,000 direct and indirect jobs.


The Estreito Hydropower Station makes for increased reliability in the supply of energy to the North/Northeast systems and benefits mainly industrial and residential consumers in this region.


The development covers areas of the municipalities of Estreito and Carolina, in Maranhão, and Aguiarnópolis, Babaçulândia, Barra do Ouro, Darcinópolis, Filadélfia, Goiatins, Itapiratins, Palmeirante, Palmeiras do Tocantins and Tupirantins, in Tocantins.


During the various public hearings that were held between 2001 and 2004, the Estreito project was amply discussed in all local communities in the municipalities surrounding the Estreito power station and its reservoir. As a result of these public hearings a series of improvements and commitments were indicated that were incorporated into the Environmental Impact Study (EIA), which resulted in the Preliminary License being obtained in April 2005, a document that warrants the project’s environmental feasibility.


At the end of 2006, the Basic Environmental Project was approved by IBAMA, a body linked to the Ministry of the Environment and the Installation License for building the Estreito Hydropower Station was thus obtained.


The energy produced by the Estreito Power Station is incorporated into the North/Northeast and North/South/Southeast energy transmission systems and distributed throughout Brazil to industrial and residential consumers, including those living in the region where it is located.


 


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