View Single Post
Old 04-24-13, 08:21 AM   #23
ELGo
Helper EcoRenovator
 
Join Date: Apr 2013
Location: Albuquerque
Posts: 66
Thanks: 4
Thanked 3 Times in 3 Posts
Default

Ugh, I lost my post.
Here is a recreated spreadsheet that uses PVWatts to check insolation using various tilt strategies. I get that 4 season manual N-S adjustment is ~ 92.5% of continuous N-S.

Sound about right, Michael ?
ELGo is offline   Reply With Quote