The U.S. Department of Energy published a new Lighting Market Characterization report for baseline year 2020. This is the fourth edition of the LMC report; previous versions were released in 2002, 2012, and 2017. By publishing summary estimates of installed stock and energy use of various general illumination lighting products, these reports help DOE and others plan effective lighting research and development programs based on changing needs.
One of the major changes was the increase in LED lighting penetration. In 2010 and 2015, LED installations represented 1% and 8% of overall lighting inventory, respectively. By contrast, LED installed units represented roughly 48% of the installed base in residential and commercial sectors in 2020.In 2020, residences accounted for 80% of all lighting installations nationwide, at 6.5 billion installed units compared with 1.6 billion lighting installations in commercial buildings.
Of the 244 TWh of electricity consumed by lighting in U.S. buildings in 2020, approximately 69% was attributable to the commercial sector—although the number of installed units was relatively lower—due to the higher average wattage and operating hours. The report estimates are based on both public and confidential sources of information including building lighting audits, industry surveys, national lighting product shipment data, and interviews with lighting professionals and subject matter experts.
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