PV Cell and Module Calibration Activities at NREL

Research output: Contribution to conferencePaper


The performance of PV cells and modules with respect to standard reference conditions is a key indicator of progress of a given technology. This task provides the U.S. terrestrial PV community with the most accurate measurements that are technically possible in a timely fashion. The international module certification and accreditation program PVGap requires certification laboratories to maintaintheir calibration traceability path to groups like this one. The politics of a 'world record' efficiency requires that an independent laboratory perform these measurements for credibility. Most manufacturers base their module peak watt rating upon standards and reference cells calibrated under this task. This task has been involved in reconciling disputes between manufacturers and their cellsuppliers in terms of expected versus actual performance. This task has also served as a resource to the PV community for consultation on solar simulation, current versus voltage measurement instrumentation, measurement procedures and measurement artifacts.
Original languageAmerican English
Number of pages5
StatePublished - 2005
Event2005 DOE Solar Energy Technologies Program Review Meeting - Denver, Colorado
Duration: 7 Nov 200510 Nov 2005


Conference2005 DOE Solar Energy Technologies Program Review Meeting
CityDenver, Colorado

Bibliographical note

Presented at the 2005 DOE Solar Energy Technologies Program Review Meeting held November 7-10, 2005 in Denver, Colorado. Also included in the proceedings available on CD-ROM (DOE/GO-102006-2245; NREL/CD-520-38557)

NREL Publication Number

  • NREL/CP-520-38936


  • module calibration
  • NREL
  • photovoltaics (PV)
  • PV
  • solar


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