Generating capacity of hydropower plants
in the United States
The Niagara Power Project in Lewiston has the third–largest generating capacity of any hydropower plant in the nation. In 2005, it
generated more electricity
than alll but one facility in the country. Nearly half of the 15 largest plants
are located in the Pacific Northwest.
The numbers below indicate the location of the country’s 15 largest hydropower plants. Place cursor over a number to get information on
individual plants.