Tuesday, January 27th, 2015 - 5:55 pm 
(Arizona time)

Orientation and shading issues

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.

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Salt River Project management has proposed dramatic changes to its residential electricity rates that carry significant impacts for its more than 12,000 rooftop solar customers.

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