The Top 5 Types of Electricity Consumption in Commercial Buildings

  End Use Energy Consumption
1 Lighting 1,34 quadrillion Btu
2 Cooling 481 trillion Btu
3 Ventilation 436 trillion Btu
4 Refrigeration 381 trillion Btu
5 Space Heating 167 trillion Btu
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Sources:  U.S. Energy Information Administration: Annual Energy Review 2009.

List Notes: Data is commercial building electricity consumption by end use in North America for the year 2003. The British thermal unit (Btu) is a traditional unit of energy equal to about 1 055.05585 joules. It is approximately the amount of energy needed to heat 1 pound (0.454 kg) of water 1 degree F (0.556 C).
Types of Electricity Consumption in Commercial Buildings

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