Posted on November 15, 2016 by Anonymous in Guest Blogs
By BEN GOLDFARB
The soul of Arizona State University is Memorial Union, a hulking brick-and-glass community center that opens onto a sprawling pedestrian mall. Although the building sits at the heart of campus, its outdoor plaza was once virtually uninhabitable for four months each year, when summer temperatures in scorching Tempe often hover over 100 degrees.
So in 2014, the university — Arizona’s leading energy consumer — completed construction on a PowerParasol, a 25-foot-tall shade canopy composed of 1,380 photovoltaic(PV) Generation of electricity directly from sunlight. A photovoltaic cell has no moving parts; electrons are energized by sunlight and result in current flow. panels capable of producing 397 kilowatts of electricity.