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Science, Inventions & Space Discuss Solar Wind Energy Tower: Planned for Arizona at the General Discussion; A Solar Wind Energy Tower is planned to be built in San Luis Arizona. This is a small town is ...

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Old 07-25-2014, 02:27 PM
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Default Solar Wind Energy Tower: Planned for Arizona

A Solar Wind Energy Tower is planned to be built in San Luis Arizona. This is a small town is near Yuma on the Az. Mexico border.

This tower would stand 2,250 feet (just to give you an idea of its height the Empire State building is 1250 feet high). It would be the tallest structure in North America.

A series of pumps will carry water to the top of the tower where it is cast across the opening as a fine mist. The mist then evaporates and is absorbed by hot, dry air, thereby cooling the air and making it denser and heavier than the warmer air outside the tower.
The down draft of the cooler air would sink down through the tower.
This air is then diverted into wind tunnels surrounding the base of the Tower where turbines inside the tunnels power generators to produce electricity.
Ron Pickett is the CEO of Solar Wind Energy Towers, says if his tower is built, it will generate as much electrical power as Hoover Dam.
This project is would hire 2000 people to build it and create an estimated 500 permanent jobs. It would cost 1 and 1/2 billion to build but would cost the government NOTHING since it would be paid for with private investment.

It kind of sounds to good to be true to me but I sure hope that they can build it because if they can build one they can more.

Solar Wind Energy | A bold new approach to overcome the current limitations of conventional wind energy sources

Solar Wind Energy's Downdraft Tower generates its own wind all year round

Planned Arizona solar tower would be tallest structure in North America - Phoenix Business Journal

Solar tower project could be boost to Arizona border town - FOX 10 News | myfoxphoenix.com
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Old 03-10-2017, 03:02 PM
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Lightbulb Re: Solar Wind Energy Tower: Planned for Arizona

Hawaii to be powered by solar energy...

Solar Energy Station to Power Hawaiian Island
March 09, 2017 - One of Hawaii's islands may soon be powered by solar energy, at least during the night.
In the biggest project since it acquired the solar cell giant SolarCity, the Tesla company will build a 13-megawatt solar farm on the island of Kauai, covering more than 44 acres (18 hectares). The solar cells will charge a 53-megawatt hour battery station able to provide most of the island's power at night. The batteries, called Powerpacks, will be built by Tesla's new Gigafactory.

Right now, Kauai residents are paying very high prices for energy, so the plan is to gradually transition to renewable sources, including wind and biomass. Kauai plans to generate 70 percent of its power from renewable sources by 2030 and to completely wean itself from fossil-generated electricity by 2045.

Tesla says that once it's in full production, the Kauai solar energy plant will lower the fossil fuel burn by over 6,000 metric tons a year.

Solar Energy Station to Power Hawaiian Island
See also:

US Solar Soared in 2016, But Investors Still Leery
March 09, 2017 New U.S. solar installations nearly doubled last year, but slowing demand for both residential and large-scale systems, falling panel prices and concerns about looming federal tax reform are still dampening investor appetite for the sector.
Solar installations soared 97 percent to 14.8 gigawatts in 2016, according to a report released Thursday by Wood Mackenzie and the Solar Energy Industries Association. The technology is cheaper than ever, with panel prices dropping 40 percent last year, and many utilities procuring solar on the basis of cost alone. But the dramatic drop in panel prices has hampered solar manufacturers' profits and ramped up competition for utility-scale contracts among developers, companies said in recent weeks while reporting fourth-quarter results. Add in a slowdown in the residential market, tax reform pushed by U.S. President Donald Trump, climbing interest rates and falling oil prices, and stock market investors remain skittish about solar.

2017 a transition year

Credit Suisse analyst Andrew Hughes said in a client note on Thursday that the key risk to his "outperform" rating on shares of residential solar player Sunrun was "investor sentiment, which in a rising interest rate and falling oil price market obscured by tax policy uncertainty remains tepid." The MAC Global Solar Energy index, which tracks shares of solar power companies, slid 43 percent in 2016. The index has recovered to gain nearly 8 percent so far this year but remains 65 percent below its year-ago level.

Electricians install solar panels on a roof for Arizona Public Service company in Goodyear, Arizona

U.S. module manufacturers and project developers SunPower and First Solar Inc are both viewing 2017 as a transition year for their businesses, they said after reporting in February losses for the fourth quarter of last year. SunPower Chief Executive Tom Werner in a conference call predicted "intense competition for the forseeable future in mainstream power plants," adding that some companies were selling panels at below cash cost.

A slowdown is forecast
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Old 03-10-2017, 03:21 PM
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Default Re: Solar Wind Energy Tower: Planned for Arizona

I actually tried building a wind tower Turbine. It worked the opposite direction using the sun' heat to generate an up draft between two tubes mounted vertically. Inside one was painted dark green and full of water, the outer was translucent plastic.
A turbine would be mounted at the top.

30 feet high with guy wires, it did not generate any power, but I did get serious air flow on sunny days even with no wind blowing.

This new concept seems feasible, albeit an engineering challenge. Not to mention high water use in a desert environmnet.

My question,,,; Given the power cost of lifting water that high, is there a net gain in energy?
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