Solar Energy

Best Solar Cell Efficiency Chart – National Renewable Energy Laboratory(NREL)

NREL Best Research-Cell Efficiency Chart

Are you a researcher or someone in the energy field and you are interested in knowing the current trends on solar cells efficiencies globally? Or you are just interested in knowing the global efficiencies on different types of solar cells? Good news for you as today we are going to give you the information you need to be able to track solar cell efficiencies globally through the best solar cell efficiency chart.

The National Renewable Energy Laboratory(NREL) maintains a chart of the highest confirmed conversion efficiencies for research cells for a range of photovoltaic technologies, plotted from 1976 to the present.

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Below is a chart showing different types of solar cells and their respective efficiency journeys.

Best Solar Cell Efficiency Chart - National Renewable Energy Laboratory(NREL)
Best Solar Cell Efficiency Chart – This plot is courtesy of the National Renewable Energy Laboratory(NREL)

Here is the link to the NREL chart and information on solar cells. Please note that this information is always being updated with new information for it to reflect the latest development.

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If you are a credible laboratory that works on solar cells research NREL can help your team with certified efficiency measurements.

Download technology-specific charts:

Crystalline silicon cells

Single-junction gallium arsenide cells

Multijunction cells

Thin films

Emerging PV.

Cell Chart Explanatory Notes

Devices included in this chart of the current state of the art have efficiencies that are confirmed by independent, recognized test labs—e.g., NREL, AIST, JRC-ESTI, and Fraunhofer-ISE—and are reported on a standardized basis. The measurements for new entries must be with respect to Standard Test or Reporting Conditions as defined by the global reference spectrum for flat-plate devices and the direct reference spectrum for concentrator devices as listed in standards IEC 60904-3 edition 2 or ASTM G173. The reference temperature is 25°C, and the area is the cell total area or the area defined by an aperture.

Cell efficiency results are provided within families of semiconductors:

  • Multijunction cells
  • Single-junction gallium arsenide cells
  • Crystalline silicon cells
  • Thin-film technologies
  • Emerging photovoltaics.

Some 28 different subcategories are indicated by distinctive colored symbols.

The most recent world record for each technology is highlighted along the right edge in a flag that contains the efficiency and the symbol of the technology. The company or group that fabricated the device for each most-recent record is bolded on the plot.

The information plotted by NREL is provided in good faith, but NREL cannot accept direct responsibility for any errors or omissions. The plot is not copyrighted and may be used in presentations and publications, with a notation that states: “This plot is courtesy of the National Renewable Energy Laboratory, Golden, CO.”

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Simon Tyrus Caine

Simon Tyrus Caine is a solar energy expert with more than 10 years experience in the solar sector. Simon has worked and lived in more than 5 countries. Simon has been involved in solar installations, solar project development, solar financing as well as business development in the solar sector. At SolarEyes International, Simon manages content development and day to day operations of the organisation.

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