Furnas Dam
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The Furnas Dam () is a
hydroelectric Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
in the
Minas Gerais Minas Gerais () is one of the 27 federative units of Brazil, being the fourth largest state by area and the second largest in number of inhabitants with a population of 20,539,989 according to the 2022 Brazilian census, 2022 census. Located in ...
state of
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
. A small settlement was built near the dam with the same name to house the workers during the dam construction. The main purpose of the dam and reservoir are the production of electricity and the regulation of the flow of the Grande River. Near the beginning of 2022, mass amounts of rain caused a large rock to fall and kill 10 people.


Construction

Construction on the dam began in 1957 and was the first large dam in Brazil. It was built by Wimpey Construction and was completed in 1963. It is built on the canyon of the Grande River, before joining the Sapucaí River downstream. The dam is tall, long, and wide at its crest. The large reservoir, with a surface area of , started to form in 1963, bordering thirty-four
municipalities A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality' ...
. The volume of water is seven times that of
Guanabara Bay Guanabara Bay (, , ) is an oceanic bay in Southeast Brazil in the state of Rio de Janeiro (state), Rio de Janeiro. On its western shore lie the cities of Rio de Janeiro (city), Rio de Janeiro and Duque de Caxias, Rio de Janeiro, Duque de Caxias, a ...
, at . Normal water level averages at .


See also

* List of power stations in Brazil * Capitólio rockfall


References


External links


All about Furnas

History of Furnas
{{Rio Grande (Brazil) dams , dam=Furnas Dam, downriver= Peixotos Dam, upriver= Funil Dam Dams completed in 1963 Dams in Minas Gerais Dams on the Rio Grande (Paraná River tributary) Energy infrastructure completed in 1963 Hydroelectric power stations in Brazil