Conservation and Efficiency - Energy Policy Analysis: A Conceptual Framework - page 173

Figure 10.2 Energy Consumed in Commercial Buildings

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Source: USEIA 2003, Table E1.

COMMERCIAL SECTOR

The commercial sector includes business and public buildings such as offices, malls, stores, schools,
hospitals, hotels, warehouses, restaurants, places of worship, and other workplaces, accounting for
about 19 percent of total U.S. energy consumption in 2010 (USEIA 2011a, 38). Energy consumed
by various uses in nonmall commercial buildings is illustrated in Figure 10.2. Space heating and
lighting provide the largest potential for reducing energy use in this sector.
While growth in commercial floor space (1.2 percent per year) is faster than growth in popu-
lation (0.9 percent per year), energy use per capita remains relatively steady due to efficiency
improvements in equipment and building shells. Efficiency standards and the addition of more
efficient technologies account for a large share of the improvement in the efficiency of end-use
services, notably in space cooling, refrigeration, and lighting (USEIA 2011b).
Energy in this sector has the same basic end uses as the residential sector, in slightly different
proportions. Delivered energy consumption for core space heating, ventilation, air conditioning, wa-