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Old 09-28-2018, 11:12 PM   #1 (permalink)
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$3 billion Hoover Dam project to turn it into a giant battery

.

$3 billion Hoover Dam project to turn it into a giant battery storing electricity for millions of homes


https://www.dailymail.co.uk/news/art...t-century.html


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A $3 billion project to modernize the Hoover Dam and bring it into the 21st century has been announced by the Los Angeles Department of Water and Power.

A new pump station and 20-mile pipeline would be built downstream to regulate flow through electric generators. Water would then be pumped back to the top of the dam, creating electricity and thereby turning the dam into a source of renewable energy.

More at link.



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Old 09-28-2018, 11:44 PM   #2 (permalink)
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They can burn coal to run generators, to power pumps to refill lake mead and claim it's renewable energy when the water goes through the rurbines lol.
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Old 09-29-2018, 03:03 AM   #3 (permalink)
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Quote:
Originally Posted by oil pan 4 View Post
They can burn coal to run generators, to power pumps to refill lake mead and claim it's renewable energy when the water goes through the rurbines lol.
The math works like this:

You take the power output by the coal generators to move the water uphill, and then add the energy gained when the water flows back downhill, and divide by the amount of coal you burned. That's how you make clean coal!
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Old 09-29-2018, 01:55 PM   #4 (permalink)
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I just assumed there isn't going to be a lot of surplus solar or wind power at night.

Coastal wind power at night, yes, but they're no where near the coast.
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Old 09-29-2018, 03:32 PM   #5 (permalink)
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You guys scared me with your coal comments, then I read the thing.

It's a fascinating project.
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Old 09-29-2018, 04:09 PM   #6 (permalink)
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Notice they didn't say what kind of power was going to be used to pump water back into lake mead.
The dam doesn't operate at 20% because of too much water going down stream, it operates at 20% capacity because they need the water more than they need the power and there isn't as much water coming into the dam due to up stream demands and less than desirable rain fall.
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Old 09-29-2018, 04:52 PM   #7 (permalink)
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The H20 dipstick is reading low at Lake Mead...and has been for years.
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Old 09-29-2018, 06:16 PM   #8 (permalink)
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Bring water back from space with rockets!
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Old 09-29-2018, 06:48 PM   #9 (permalink)
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Bring water back from space with rockets!
One well-placed comet could solve MANY problems (wink,wink).
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Old 09-29-2018, 08:01 PM   #10 (permalink)
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We get water from space every day, from the sun. Well we get hydrogen from the sun and it combines with oxygen in the upper atmosphere and falls to earth.

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