* Brazil agency OKs start-up of huge dam in Amazon
* Consortium has go-ahead to clear forest, start site
SAO PAULO, Jan 26 (Reuters) - Brazil's environment agency approved on Wednesday the start-up of the Belo Monte power dam, a controversial $17 billion project in the Amazon that has drawn criticism from native Indians and conservationists.
The agency, Ibama, issued licenses to the consortium in charge of Belo Monte to start the construction site and to clear 238.1 hectares (588 acres) of forest land, about the size of Monaco.
The government has said the 11,000-megawatt project, due to start producing electricity in 2015, is crucial to provide power to Brazil's fast-growing economy.
Norte Energia, the consortium that won the auction to build Belo Monte, is made up of state-run utility holding company Eletrobras, Brazil's second-largest pension fund Petros, and several local construction companies.
For a factbox on the Belo Monte dam: [ID:nN20202737]
For a graphic click on link.reuters.com/fum77j
Originally conceived 30 years ago, progress on Belo Monte has been slowed over the years by protests, including an incident in 2009 in which Kayapo Indians armed with clubs and machetes attacked a state electricity official.
Critics from singer Sting to Hollywood director James Cameron and environmental group Greenpeace have said the dam will damage the environment and harm thousands of people living in the region.
The 6-km-long (3.75-mile) dam will displace 30,000 river dwellers, partially dry up a 100-km stretch of the Xingu river, and flood a 500-square-km area three times the size of Washington D.C. (Reporting by Elzio Barreto and Carolina Marcondes; Editing by Dale Hudson)
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