Use of Pyranometers to Estimate PV Module Degradation Rates in the Field

Manajit Sengupta, Frank Vignola, Josh Peterson, Rich Kessler, Fotis Mavromatakis

Research output: NRELPoster

Abstract

This poster provides an overview of a methodology that uses relative measurements to estimate the degradation rates of PV modules in the field. The importance of calibration and cleaning is illustrated. The number of years of field measurements needed to measure degradation rates with data from the field is cut in half using relative comparisons.
Original languageAmerican English
StatePublished - 2016

Publication series

NamePresented at the 43rd IEEE Photovoltaic Specialists Conference, 5-10 June 2016, Portland, Oregon

NREL Publication Number

  • NREL/PO-5D00-66499

Keywords

  • degradation rates
  • PV module
  • pyranometer

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