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1 AIA LU/HSW
1 GBCI CE Hour
Cost: Free of charge
A sharp peak in electrical demand can be observed in almost every commercial building during the busiest hours of the day. Some of this peak may be attributed to office or building equipment, but a large portion is due to increased air conditioning usage in the heat of the afternoon. This peak in air conditioning requires additional power plant capacity, causes imbalances in the power grid, and may result in increased air pollution. But most importantly, peak demand may result in monthly charges much higher than base electrical rates. One of the best approaches to shrink peak demand is to reduce the heat load on a building, especially the solar loads that drive the need for air conditioning. And few heat reduction strategies can match the energy-savings potential of modern cool roofing technology.
In an effort to help building owners and designers deal effectively with peak electrical demand charges, this article will provide a step-by-step review of all aspects of peak demand reduction, including how to identify peak demand charges on a typical commercial electrical bill, how to estimate the potential savings achieved by installing a cool roof, and what other benefits may be achieved by reducing peaks in energy demand. The article also will provide learners with valuable hands-on experience with available energy tools, including the online “Cool Roof Peak Calculator” developed by the U.S. Department of Energy.