Bifacial PV System Mismatch Loss Estimation

Silvana Ayala Pelaez, Christopher Deline, Sara MacAlpine, Carlos Olalla

Research output: NRELPoster


Nonuniform rear-irradiance on bifacial PV systems can cause additional mismatch loss, which may not be appropriately captured in PV energy production estimates and software. A simplified empirical relationship is presented that links the spatial variation of irradiance (to the resulting mismatch loss factor).
Original languageAmerican English
StatePublished - 2019

Publication series

NamePresented at the Sixth BifiPV Workshop, 16-17 September 2019, Amsterdam, The Netherlands

NREL Publication Number

  • NREL/PO-5K00-74831


  • bifacial PV
  • irradiance
  • mismatch loss
  • model
  • module
  • performance
  • single-axis tracking


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