More than one energy source can apply per building. Data was withheld for some energy sources either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 20 buildings were sampled.
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Energy sources of different types of commercial property buildings in the U.S. 2018
The most common energy sources for commercial property in the United States in 2018 were electricity and natural gas. Approximately *** million commercial buildings relied on electricity, with the office sector having the largest portion (approximately ** buildings). Besides electricity, there were ** office buildings that used natural gas and ** office buildings that used fuel oil. The source also adds that more than one energy source can apply per building.
When considering the amount of floorspace using different energy sources, the warehouse and storage sector had the most square footage consuming electricity.
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EIA. (September 21, 2021). Number of commercial property buildings in the United States in 2018, by type and energy source (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/
EIA. "Number of commercial property buildings in the United States in 2018, by type and energy source (in 1,000s)." Chart. September 21, 2021. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/
EIA. (2021). Number of commercial property buildings in the United States in 2018, by type and energy source (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/
EIA. "Number of Commercial Property Buildings in The United States in 2018, by Type and Energy Source (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 Sep 2021, /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/
EIA, Number of commercial property buildings in the United States in 2018, by type and energy source (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/ (last visited August 05, 2026)
Number of commercial property buildings in the United States in 2018, by type and energy source (in 1,000s) [Graph], EIA, September 21, 2021. [Online]. Available: /statistics/1311936/energy-sources-of-different-types-of-commercial-property-buildings-usa/
