Bifacial PV System Performance: Separating Fact from Fiction

Research output: NRELPresentation


The performance of bifacial PV systems depends greatly on the installed conditions. Previous simulations and results have shown very high bifacial gain improvement, but this may not be the case for all conditions, particularly for large-scale systems with self-shading, lower-cost PV modules (PERC) which might have lower bifaciality coefficient, and field deployments over natural ground cover. But not to worry! Financial models indicate that even with these lower performance conditions, and with bifacial gain of 4%-9%, bifacial modules can still provide improved LCOE.
Original languageAmerican English
Number of pages42
StatePublished - 2019

Publication series

NamePresented at the IEEE 46th Photovoltaic Specialist Conference (PVSC), 16-21 June 2019, Chicago, Illinois

NREL Publication Number

  • NREL/PR-5K00-74090


  • bifacial photovoltaic
  • LCOE
  • performance modeling
  • radiance ray-tracing


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