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Is Three Gorges bigger than Hoover dam?

It is still just as impressive. However, by comparison, the 1.4 miles (2.3 kilometres) in length, Three Gorges Dam is five times larger. The latter has an installed capacity of 22,500 MW, compared to Hoover Dam's 2,080MW. Thus Three Gorges Dam can generate up to 10.8 times the amount of hydroelectric power.



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What you see is not what you get at Parker Dam, known as “the deepest dam in the world.” Engineers, digging for bedrock on which to build, had to excavate so far beneath the bed of the Colorado River that 73 percent of Parker Dam's 320-foot structural height is not visible.

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Key Points. Lake Mead has dropped by 70% due to droughts in the West and it will take many years to refill again, naturally. The reservoir is vitally important to millions of people as a source of water, electricity, and recreation.

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Hoover Dam, spanning the Arizona-Nevada border about 30 miles southeast of Las Vegas, is the most-visited dam in the world, counting some 7 million tourists a year.

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