How Energy Is Used in Commercial Buildings
The US Energy Information Administration (EIA) conducts the Commercial Buildings Energy Consumption Survey (CBECS) every four years. The CBECS looks at the energy consumed by different types of commercial buildings in the United States. EIA will release the 2007 CBECS in mid-2009. Here’s an overview (Figure 1 & 2) of the 2003 CBECS, which was based on a sample size of 5,215 buildings, representative of a total population of 4.9 million commercial buildings and 71.6 billion square feet of floor space in the U.S.
Figure 1. Electricity accounts for more than half of energy consumed by commercial buildings.
Figure 2. More than half of energy consumed in commercial buildings is used for space heating and lighting.
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