Tuesday, October 21st, 2014 - 6:31 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

The Polarization of ARRA

In 2008, Americans across the country voted for change.  That change included transforming our century-old dependence on fossil fuels.  Central to this makeover was the American Recovery and Reinvestment Act of 2009 (ARRA).

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