BACnet at Georgia Tech

Published

November 1, 2007

Author(s)

Donald Alexander, Cornelius Ejimofor, David Holmberg

Abstract

The Van Leer building at Georgia Tech was selected for a pilot project to study the feasibility of using an RTP-based temperature setback approach to energy savings for the campus. Georgia Tech saved approximately 7000 kWh of power and $1000 using the RTP conservation strategy in the Van Leer building. This corresponds to a 1.1% cost savings on air conditioning and ventilation. The data obtained in the Van Leer building allowed the calculation of a power savings density value that could be applied campus wide and which gave an estimated yearly campus-wide cost savings estimate of $190,000. There was less than a one year payback on the investment necessary to implement the control strategy. A benefit, beyond cost avoidance, is that Georgia Tech now has a method based on the dynamics of electrical cost to alter control parameters to allow more saving strategies in the future. Additional strategies are being studied that use the RTP pricing projections to result in additional cost avoidance.

Citation

ASHRAE American Society for Heating, Refrigeration and Air Conditioning Journal

Pub Type

Journals

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Keywords

automated demand reduction, BACnet, control strategy, electric power, real-time pricing, RTP, temperature setback

Citation

Alexander, D. , Ejimofor, C. and Holmberg, D. (2007), BACnet at Georgia Tech, ASHRAE American Society for Heating, Refrigeration and Air Conditioning Journal, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=861044 (Accessed December 26, 2024)