Here is another article about that, with a few more technical details: http://www.renewableenergyworld.com/rea/news/article/2012/07/amonix-closes-150-mw-las-vegas-hcpv-plant
Solar energy is booming but there are too many players and too many different technologies being developed. A shakeout is inevitable. It is what happened with personal computers in the early 1980s, and with automobiles circa 1910. This is how capitalism works. It is frightening for investors! - Jed