Plug and process loads (PPLs) in commercial buildings account for almost 5% of U.S. primary energy consumption. Minimizing these loads is a primary challenge in the design and operation of an energy-efficient building. PPLs are not related to general lighting, heating, ventilation, cooling, and water heating, and typically do not provide comfort to the occupants. They use an increasingly large fraction of the building energy use pie because the number and variety of electrical devices have increased along with building system efficiency. Reducing PPLs is difficult because energy efficiency opportunities and the equipment needed to address PPL energy use in office spaces are poorly understood.
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This report discusses miscellaneous electrical loads, which are building loads that are not related to general lighting, heating, ventilation, cooling, and water heating, and typically do not provide comfort to the occupants. MELs in commercial buildings account for almost 5% of U.S. primary energy consumption.
Defining and Including Energy Goals in the Contractual Process: Examples from the NREL campus presentation given at the NASA Net-Zero Energy workshop June 5-6, 2012
A presentation on a definition framework for Net Zero Energy given at the NASA Net-Zero Energy workshop June 5-6, 2012.
Discovery Elementary School in Arlington, Virginia, is one of the first zero energy schools on the east coast. This video tour of the school includes interviews from school officials and the architect responsible for delivering the school on-budget while meeting energy goals. Actual measured data shows that the school has been able to meet the zero energy criteria.
The driver for this small school to become zero energy started with a sustainability ethic based on the Quaker values of simplicity and stewardship. This school is an excellent example of rural schools.