Saturday, November 22nd, 2014 - 1:34 am 
(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.

AzSC Blog

Election Analysis: Power boost or short circuit (redux)?

Four years ago, I wrote an article for a national magazine on what to make of the 2010 mid-term elections and its implications for energy policy.

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