Sounds good. I thought our system would be compromised by high trees in the west, but an audit showed otherwise. The auditor used a special data logger - place it face up on the center of the panel array, it logs lat and long, then uses a small fisheye lens to take a picture of the sky from the panels' perspective. It then processes the data in the picture to calculate an efficiency rating. I think it considers blue sky and cloud as a plus, and anything dark, such as a tree, to be a minus. It also takes into account that daily insolation forms a bell-curve or sine-wave shape due to the changing angle of the sun's rays across the flat plane of the panels, so that an obstruction near the eastern or western horizons isn't nearly as important as an obstruction in the northern horizon (that's for the southern hemisphere - if you live in the northern hemisphere you'd be wanting to remove obstructions in the southern skyline). Our situation was given a 94% efficiency rating.
BTW, what sort of compressors are in your fridges/freezers? The Danfoss 24VDC compressors are great.