This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) is for use by news media and education organizations. This high-resolution video features clips of a concentrating solar power (CSP) parabolic trough system at the National Renewable Energy Laboratory (NREL) in Golden, Colorado, including a wide pan of the solar collector mirrors, close-up shots of receiver/heating tubes, solar collector mirror samples under accelerated weathering testing in large weathering-simulation chambers at NREL’s Advanced Optical Materials Lab, small solar collector mirrors samples in intense UV light weathering tests at NREL’s Advanced Optical Materials Lab, prepping and laminating collector mirror samples for accelerated weathering test, and measuring optical reflectance of advanced collector mirror material in spectrometer.