Spanish firm Abengoa Solar will construct a $2B solar plant in Arizona (with $1.45B of that guaranteed by the US Dept of Energy) on the site a former alfalfa farm. The plant will employ over 900,000 mirrors, 90,000 receivers, and utilize more steel than the Golden Gate Bridge.
Source:
http://www.greenbiz.com/blog/2010/07/09/solars-long-and-winding-road
