Plug & Process Loads
Plug and Process Loads (PPL) consume about one third of primary energy in U.S. commercial buildings. PPLs cover a wide variety of electronic, computer, refrigeration, and cooking devices, including equipment essential to information processing, medical treatment, and food service businesses. Each of these categories contains hundreds of types of devices.
PPL energy consumption is the single fastest growing end-use. It is projected to grow by 40%, up to 7.7 quads from 2006 to 2020 due to an increase in the number of devices and the energy intensity of those devices. Commercial buildings in the United States span a wide range of types, uses, sizes, and vintages. This translates into a range in PPL energy consumption--between 10% in warehouses to nearly 60% in food sales.
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