Project Info

Complete
Project Title 
Western Exterior Occupancy Survey
Project Number 
ET12PGE1271 & ET08SCE1051
Organization 
PG&E
SCE
End-use 
Lighting
Sector 
Commercial, Public
Project Year(s) 
2012 - 2014

To better understand the potential for energy savings through the implementation of bi-level lighting controls in exterior parking and pedestrian spaces, motion detection and data acquisition technologies were installed in selected areas at a total of eight sites in SCE, BPA, and PG&E territories. Sites types included two large office buildings, two big box stores, a fast food restaurant, a high school, an office campus, and an outdoor shopping center. Data reduction and analyses were used to produce occupancy profiles. The data analyses show that energy savings depend significantly on implementation of control technologies, especially the non-motion time period (a.k.a. time delay) used to determine vacancy.

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