Calibration and Measurement Uncertainty Estimation of Radiometric Data: Preprint

Research output: Contribution to conferencePaper


Evaluating the performance of photovoltaic cells, modules, and arrays that form large solar deployments relies on accurate measurements of the available solar resource. Therefore, determining the accuracy of these solar radiation measurements provides a better understanding of investment risks. This paper provides guidelines and recommended procedures for estimating the uncertainty in calibrations and measurements by radiometers using methods that follow the International Bureau of Weights and Measures Guide to the Expression of Uncertainty (GUM). Standardized analysis based on these procedures ensures that the uncertainty quoted is well documented.
Original languageAmerican English
Number of pages9
StatePublished - 2014
EventSOLAR 2014 - San Francisco, California
Duration: 6 Jul 201410 Jul 2014


ConferenceSOLAR 2014
CitySan Francisco, California

NREL Publication Number

  • NREL/CP-5D00-62214


  • direct normal irradiance
  • global horizontal irradiance
  • photovoltaic
  • PV
  • uncertainty


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