This guide provides an overview of the different energy audit options available and information on how to select an energy auditor.
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This guide describes the benefits offered by energy service companies (ESCOs) and the things to consider when selecting and contracting with your provider. The appendix document is also available and contains solicitation and contracting samples.
These appendices contain solicitation and contract samples for working with energy service contractors (ESCOs) and go with the previously published, "A Guide to Performance Contracting with ESCOs".
Miscellaneous electrical loads (MELs) are building loads that are not related to general lighting, heating, ventilation, cooling, and water heating, and typically do not provide comfort to the building occupants. MELs in commercial buildings account for almost 5% of U.S. primary energy consumption. On an individual building level, they account for approximately 25% of the total electrical load in a minimally code-compliant commercial building, and can exceed 50% in an ultra-high efficiency building such as the National Renewable Energy Laboratory's (NREL) Research Support Facility (RSF). Minimizing these loads is a primary challenge in the design and operation of an energy-efficient building. A complex array of technologies that measure and manage MELs has emerged in the marketplace. Some fall short of manufacturer performance claims, however. NREL has been actively engaged in developing an evaluation and selection process for MELs control, and is using this process to evaluate a range of technologies for active MELs management that will cap RSF plug loads. Using a control strategy to match plug load use to users' required job functions is a huge untapped potential for energy savings.