DOE OSTI · 1766844
Albedo Data Sets for Bifacial PV Systems
Abstract
Solar radiation data for seven SURFRAD stations for the period 1996-2018 show an increase in irradiance under clear skies over the period, but the increase was not constant and shorter periods may have even experienced decreases in irradiance. A popular implementation of a clear sky model provided modeled irradiances for comparison with the SURFRAD data under conditions screened for clear skies. The use of the clear sky model, which did not consider year-to-year variances in atmospheric turbidity, was found problematic for resolving small changes in irradiance important for determining PV system degradation over three or five years, but less problematic for a period of ten years.
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Marion, Bill (ORCID:0000000338456620). 2021-02-10. Albedo Data Sets for Bifacial PV Systems. https://www.osti.gov/biblio/1766844
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