Introducing the Baseline Performance Reference (BPR) for Irradiance in PV System Applications

Research output: NRELPoster


Photovoltaic (PV) reference cells, modules, and arrays respond in a complex manner to the many variables that define their operating environment. PV reference cells for irradiance measurement have similarities but also differences to operational PV modules. For this reason, a more neutral and a well-defined generic PV reference cell is needed, whose characteristics are close enough to most operational PV devices to make stable performance indicators possible but whose characteristics are not necessarily identical to any of them. This poster describes a new well-defined reference quantity for outdoor PV measurements, called the baseline performance reference (BPR).
Original languageAmerican English
PublisherNational Renewable Energy Laboratory (NREL)
StatePublished - 2024

Publication series

NamePresented at the Photovoltaic Reliability Workshop (PVRW), 27-29 February 2024, Lakewood, Colorado

NREL Publication Number

  • NREL/PO-5D00-88992


  • baseline performance reference
  • BPR
  • photovoltaics
  • PV
  • pyranometers
  • reference cells


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