• Photo of sun shining through the spaces between cells on a solar photovoltaic panel.
  • Photo of sun shining through the spaces between cells on a solar photovoltaic panel.

Sun Hits Solar Panels

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After heavy rain, the sun strikes the bifacial solar panels at Appalachian State University's entry in the U.S. Department of Energy Solar Decathlon 2011 at West Potomac Park in Washington, D.C., Wed., Sept. 28, 2011. (Credit: Stefano Paltera/U.S. Department of Energy Solar Decathlon)

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