The $3 Billion Plan to Turn Hoover Dam Into a Giant Battery

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https://www.nytimes.com/interactive/2018/07/24/business/energy-environment/hoover-dam-renewable-energy.html

Source:  By Ivan Penn. Graphic by Mika Gröndahl. Photo and video by David Walter Banks, aerial video by Josh Haner and Josh Williams, The New York Times.

Excerpt: Hoover Dam was a public works project likened to the pyramids. Now, after channeling a river, what if it could tap the power of the sun and wind? ...Hoover Dam helped transform the American West, harnessing the force of the Colorado River — along with millions of cubic feet of concrete and tens of millions of pounds of steel — to power millions of homes and businesses. It was one of the great engineering feats of the 20th century. Now it is the focus of a distinctly 21st-century challenge: turning the dam into a vast reservoir of excess electricity, fed by the solar farms and wind turbines that represent the power sources of the future....

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