Ausra: cheap, utility-scale solar power

Ausra installation

Ausra mirrorsUsing recyclable mirrors and pipes, Ausra‘s new 1-mile square US plant will generate 175 MW. Using proprietary Fresnel technology, Ausra’s aimed mirrors heat a pipe suspended 30 feet above the mirror arrays – cold water comes in one end, 175 MW of steam comes out the other, no toxics or other complications are involved.

There is a steam concentrator that smooths out steam flow when clouds pass over, but otherwise Ausra’s equipment drives conventional steam turbines that hook easily into the grid. A 92×92 mile grid could power the entire U.S…

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About Chris Gulker

Chris Gulker, a self-described Infuential Blogger, lived in Menlo Park, California with spouse Linda. He passed away in late October 2010.
This entry was posted in All, Green Tech, Photos, Technology. Bookmark the permalink.

2 Responses to Ausra: cheap, utility-scale solar power

  1. Anonymous says:

    This was done in the 70’s somewhere in Arizona. Seems the temperature difference between day & night caused the pipes to wear out too fast for it 2 B economical. Maybe runaway energy inflation has changed that.

  2. Rob J says:

    no toxics or other complications are involved

    I wouldn’t say zero complications, especially if you’re talking something like 8500 square miles of shade!

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