Pre-Cooling Strategies for Demand Response in Large Commercial Buildings

Project Number: 
DR 06.08
Start Year: 
End Year: 
Markets Segments: 
Project Type: 
Demand Savings
Type of Technology: 
Demand Response
Southern California Edison (SCE)
Project Status: 
Savings Type: 

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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