Large Dams Cost Twice Original Budget, Researchers Say
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Large dams run 96 percent over budget on average, according to a University of Oxford study based on projects in 65 countries including Brazil and China.
The study, to be published today in the journal Energy Policy, showed that large dams also took about 2.3 years longer to complete than originally planned. That was about 44 percent longer than projected at the point of approval. The research was based on a study of 245 dams.