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Project Info COMPLETE Project Title

Pre-Cooling Strategies for Demand Response in Large Commercial Buildings

Project Number DR 06.08 Organization SCE End-use Other Sector Commercial Project Year(s) 2006 - 2008
Description

Project Summary

This study investigates opportunities for increased demand response through peak load shifting with setpoint adjustment, using pre-cooling strategies in well-insulated large commercial buildings located in hot and dry climates.  The principle behind pre-cooling with setpoint adjustment for demand shifting is to pre-cool buildings during off-peak hours (at night or in the morning) – to provide cost savings through reduced on-peak energy and demand charges. This study establishes the potential for these strategies, and also identifies several uncertainties that should be resolved before pre-cooling can be reliably implemented in large commercial buildings. Data from the various pre-cooling tests were used to help in the initial development of a DR (Demand Response) Quick Assessment tool (DR 08.02) to predict pre-cooling impacts on demand response for large building structures.

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The ETCC is funded in part by ratepayer dollars and the California IOU Emerging Technologies Program, the IOU Codes & Standards Planning & Coordination Subprograms, and the Demand Response Emerging Technologies (DRET) Collaborative programs under the auspices of the California Public Utilities Commission. The municipal portion of this program is funded and administered by Sacramento Municipal Utility District and Los Angeles Department of Water and Power.