"Jim Thompson" wrote in message
...

While you are dicking around with solar cells the big
power companies will build a solar-powered steam plant with *huge*
servo'd mirrors. I put pencil-to-paper once upon a time... you can do
marvelously if you've got the acreage.


They already have.

http://www.volker-quaschning.de/downloads/VGB2001.pdf

Scroll down to page 5.