solar systems Archives – The Green Optimistic green tech news, since 2008 Fri, 02 Aug 2013 02:39:02 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Washing Solar Panels Not Worth the Time, Money, and Effort https://www.greenoptimistic.com/washing-solar-panels-not-worth-the-cost-and-effort-20130801/ https://www.greenoptimistic.com/washing-solar-panels-not-worth-the-cost-and-effort-20130801/#comments Fri, 02 Aug 2013 02:38:08 +0000 https://www.greenoptimistic.com/?p=40131 A team of engineers at the University of California at San Diego have discovered that it’s not worth the time, money, and effort to wash solar panels. Researchers in California discovered that solar panels that had not been rained on or cleaned for 145 days lost only 7.4% of their efficiency.  For a typical consumer […]

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