NewEnergyNews: ROOFTOP SOLAR TURNED AROUND

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  • TODAY AT NewEnergyNews, April 24:

  • TODAY’S STUDY: The Value Of Offshore Wind
  • QUICK NEWS, April 24: Another ‘This Is It’ Moment For Climate Change; Here’s Why Wind Is A Winner; Solar For The Heartlands

    Thursday, November 21, 2013

    ROOFTOP SOLAR TURNED AROUND

    Most of the world’s solar panels are facing the wrong direction

    Christopher Mims, November 15, 2013 (Pecan Street Research Institute)

    "…[M]ost installers of solar panels, especially the ones for homes, follow conventional wisdom handed down from architects, which holds that in the northern hemisphere, windows and solar panels should face south…This makes intuitive sense since it would seem to maximize the amount of sunlight a panel will get as the sun tracks from one horizon to the other. But it isn’t true, at least according to a single study of homes in Austin, Texas. The Pecan Street Research Institute found that homeowners who aimed their panels toward the west, instead of the south, generated 2% more electricity over the course of a day…More importantly, those west-facing panels reduced household electricity usage during the times when electricity is most expensive—and power grids are most likely to become overloaded—by 65%, while south-facing panels only reduced usage during those times by 54%...” click here for more

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