Global normal spectral irradiance in Albuquerque

The Photovoltaic Systems Evaluation Laboratory (PSEL) at Sandia National Laboratories (SNL) in Albuquerque, NM has measured global normal spectral irradiance nearly continuously from August 2013 to April 2018. During this time other broadband irradiance measurements (global horizontal, direct normal, diffuse horizontal and global normal) and weather variables were also recorded. For this dataset PV Performance Labs (PVPL) has pulled together data from both sources to assemble a full calendar year spectral data set for use in photovoltaic research. It is composed of eight continuous segments of different durations taken from the two-year period September 2013 to August 2015.

The data set and creation process are described in further detail in the following report:

Please cite this report if you use the data.

And finally, we encourage you to let us know how the data set is useful (or not), and to send us comments and suggestions for making this data set (or upcoming ones) even better.

UPDATE: This data set is now also available in NetCDF format. Please let us know which format you prefer!


Figure 1 Two-axis tracker with pair of spectroradiometers (left) at the PSEL facility


Figure 2 Spectral irradiance over the course of a clear day (June 1)

Data and Resources

Additional Info

Field Value
Location name Albuquerque, NM, USA
GPS Coordinates 35.0545, -106.5401
Restriction to publication CC BY-SA 4.0 Please cite the linked report if you use the data.
Author Anton Driesse and Joshua Stein
Author Email Anton Driesse and Joshua Stein
Maintainer Anton Driesse
Maintainer Email Anton Driesse
Fixed installation, tilt n.a.
Fixed installation, azimuth in ° n.a.
Tracking Mode 2-axis
Type of installation free-standing installation
PV module technology n.a.
Total number of PV modules in the system
Number of modules connected in one string
Number of strings connected to each inverter
Total number of PV strings in the system
Laboratories or test sites
First date of measurements 2014-01-01
Last date of measurements 2014-12-31
Additional information on soiling Cleaned daily on regular working days
Degradation or failure indicators
Version 1.0