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Role of Hydropower in the United States
September 5, 2012 | Energy Information Administration

“The importance of hydropower as a source of electricity generation varies by geographic region. While hydropower accounted for 8% of total U.S. electricity generation in 2011, it provided over half of the electricity in the Pacific Northwest. Because hydroelectric generation relies on precipitation, it varies widely from month to month and year to year.” Quoted from the Energy Information Administration article.


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