PV System Energy Test

Sarah Kurtz, Janine Keith, Dirk Jordan, Pramod Krishnani, Robert Flottemesch, Evan Riley, Tim Dierauf, Jeff Newmiller, Lauren Ngan, Adrianne Kimber

Research output: Contribution to conferencePaperpeer-review

1 Scopus Citations


The performance of a photovoltaic (PV) system depends on the weather, seasonal effects, and other intermittent issues. Demonstrating that a PV system is performing as predicted requires verifying that the system functions correctly under the full range of conditions relevant to the deployment site. This paper discusses a proposed energy test that applies to any model and explores the effects of the differences between historical and measured weather data and how the weather and system performance are intertwined in subtle ways. Implementation of the Energy Test in a case study concludes that test uncertainty could be reduced by separating the energy production model from the model used to transpose historical horizontal irradiance data to the relevant plane.

Original languageAmerican English
Number of pages6
StatePublished - 15 Oct 2014
Event40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States
Duration: 8 Jun 201413 Jun 2014


Conference40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country/TerritoryUnited States

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

NREL Publication Number

  • NREL/CP-5J00-61319


  • energy yield
  • model verification
  • performance guarantee
  • photovoltaic performance
  • photovoltaic systems


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