Spectroradiometer Intercomparison and Impact on Characterizing Photovoltaic Device Performance: Preprint

Aron Habte, Afshin Andreas, Laurence Ottoson, Chris Gueymard, Greg Fedor, Sean Fowler, Josh Peterson, Erik Naranen, Tsukasa obashi, Akihito Akiyama, Shin Takagi

Research output: Contribution to conferencePaper


Indoor and outdoor testing of photovoltaic (PV) device performance requires the use of solar simulators and natural solar radiation, respectively. This performance characterization requires accurate knowledge of spectral irradiance distribution that is incident on the devices. Spectroradiometers are used to measure the spectral distribution of solar simulators and solar radiation. On September 17, 2013, a global spectral irradiance intercomparison using spectroradiometers was organized by the Solar Radiation Research Laboratory (SRRL) at the National Renewable Energy Laboratory (NREL). This paper presents highlights of the results of this first intercomparison, which will help to decrease systematic inter-laboratory differences in the measurements of the outputs or efficiencies of PV devices and harmonize laboratory experimental procedures.
Original languageAmerican English
Number of pages10
StatePublished - 2014
EventSOLAR 2014 - San Francisco, California
Duration: 6 Jul 201410 Jul 2014


ConferenceSOLAR 2014
CitySan Francisco, California

NREL Publication Number

  • NREL/CP-5D00-62215


  • photovoltaic
  • PV
  • simple model of the atmospheric radiative transfer of sunshine
  • spectral irradiance
  • spectroradiometers


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