The Solar Radiation Research Laboratory at NREL has recently added a SolarSIM-G to their Mesa Top facility where it will contribute to their state-of-the-art solar spectral measurement capabilities.
Data from the SolarSIM-G is now accessible online for anyone to view and download here.
NREL has also operated a SolarSIM-D2 since 2016 and its data can be viewed and downloaded here.

SolarSIM-G at NREL