Dave, that's what I've been told, by VERY RELIABLE sources. Cant tell you who or how they know, but let's just say they should know....
There's alot more to these things than just erection.....now you have to tie them into the grid, among other things.
Jim,
I asked some questions of my local power company about hooking them up to the grid. Strangely they didn't have a clue and did their best to discourage me...