Photovoltaic Module Energy Rating Methodology Development

Research output: NRELTechnical Report


A consensus-based methodology to calculate the energy output of a PV module will be described in this paper. The methodology develops a simple measure of PV module performance that provides for a realistic estimate of how a module will perform in specific applications. The approach makes use of the weather data profiles that describe conditions throughout the United States and emphasizesperformance differences between various module types. An industry-representative Technical Review Committee has been assembled to provide feedback and guidance on the strawman and final approach used in developing the methodology.
Original languageAmerican English
Number of pages6
StatePublished - 1996

NREL Publication Number

  • NREL/TP-411-20412


  • module energy rating
  • module performance
  • PV modules


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