Device Performance

Capabilities

Our capabilities for measuring key performance parameters of solar cells and modules include the use of various solar simulators and tools to measure current-voltage and quantum efficiency. We also test flat-plate and concentrator modules on sun-tracking systems. In addition, we calibrate primary reference cells for the photovoltaic community, certify efficiencies, and support standards development.

Accreditation and Standards

We are accredited by the American Association for Laboratory Accreditation to ISO 17025 standards for calibration of primary and secondary reference cells and secondary modules. Measurements outside the scope of the ISO 17025 accreditation are accredited to ISO 9001 standards by Orion Registrar. We provide certified efficiency and other performance parameters to validate the entire range of photovoltaic technologies. We cooperate internationally through intercomparisons and technical interactions to provide the photovoltaic community with a path of traceability to standards. And we also help to develop consensus in U.S. and international photovoltaic standards by participating in ASTM and IEC standards groups.

Requesting Device Measurements

Our Photovoltaic (PV) Device Performance group is NREL's premier laboratory for testing the performance of PV devices, modules, and cells. We test devices of all types of PV technologies from around the world to ensure consistency and accuracy of PV performance measurements.

Whether you are a contractor, manufacturer, research or university organization, or a Department of Energy laboratory, we welcome the opportunity to test your cell or module and provide certified data on spectral responsivity and power, efficiency, and other current versus voltage performance parameters. We provide request forms online where you can specify our desired PV device performance calibration services. From this same form, you can use an easy PayPal option for paying online, if appropriate.

For more extensive collaborative research projects, nonstandard testing, long term testing, and testing a large numbers of samples there are several options for working with us.

Measurement Process and Helpful Resources

Check out our typical process and the best practices we follow to provide high-quality, unbiased, and trusted measurements. We also have answers to scommon questions relating to solar measurements, and you can explore our publications categorized according to relevant measurements-related topics.