[RE-wrenches] PV Watts for Of Grid Design?

[All Solar, Inc.]

Wrenches,
I had a prospect send me PV Watts data for his future off grid home.  Of course we use PV Watts for GT systems all the time, but I have yet to use it for Off Grid system design. We use an old Dankoff Solar tool that has worked for years....
Any thoughts on using PV Watts as a basis for this.  I guess the efficiency is the unknown here for me.

Thanks!
Jeremy
All Solar
CO, USA
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20130228/f337c73c/attachment-0002.html>