The median degradation rate for PV Solar Panel Modules is 0.5%/year and the average is 0.7%/year. 780 Solar panels were tested for degradation from the National Renewable Energy Laboratories.
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The median degradation rate for PV Solar Panel Modules is 0.5%/year and the average is 0.7%/year. 780 Solar panels were tested for degradation from the National Renewable Energy Laboratories.
