When you have been involved in this industry for five decades, it’s hard to look at where solar energy is today -- compared to where it was in the 1970s -- and not be thankful.
How Not to Install PV - Orientation & Shadowing
These are photovoltaic powered restrooms. The view is to the Northeast at about noon in February. The photovoltaic module provides power for operating a vent fan for a composting toilet. Unfortunately, the photovoltaic module on the right restroom is facing West and as a result gets very little sunshine. In addition, the shadow cast by the vent pipe is shading the module and further reducing the output.