More than 2.5 million commercial buildings used LED lights, five times the number of buildings that used LEDs in 2012.
Standard fluorescent lighting was used in 68% of buildings, falling from 84% in 2012; the percentage of commercial buildings that used LED lighting increased from 9% in 2012 to 44% in 2018.
Electricity was the most commonly used energy source in commercial buildings. It was used in 95% of buildings, which accounted for 98% of total floorspace, the survey found. Half of commercial buildings and more than two- thirds of floorspace (70%) used natural gas.
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