3.1 : Commercial Sector Energy Consumption




3.1.3 Commercial Delivered and Primary Energy Consumption Intensities, by Year
Percent Delivered Energy Consumption Primary Energy Consumption
Floorspace Post-2000 Total Consumption per Total Consumption per
(million SF) Floorspace (1) (10^15 Btu) SF (thousand Btu/SF) (10^15 Btu) SF (thousand Btu/SF)
1980 50.9 N.A. 5.99 117.7 10.57 207.7
1990 64.3 N.A. 6.74 104.8 13.30 207.0
2000 (2) 68.5 N.A. 8.20 119.7 17.15 250.3
2010 81.1 26% 8.74 107.7 18.22 224.6
2015 84.1 34% 8.88 105.5 18.19 216.2
2020 89.1 43% 9.02 101.2 19.15 214.9
2025 93.9 52% 9.56 101.8 20.06 213.6
2030 98.2 60% 9.96 101.5 20.92 213.1
2035 103.0 68% 10.38 100.8 21.78 211.4
Note(s): 1) Percent built after Dec. 31, 2000. 2) Data for 2000 and after excludes parking garages and commercial buildings on multi-building manufacturing facilities.









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