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A Methodology to Develop Monthly Energy Use Models From Utility Billing Data For Seasonally Scheduled Buildings: Application to Schools
Abstract
The measured energy savings from retrofits in buildings in the Texas LoanSTAR
program are determined as the difference between the energy consumption predicted by
a baseline model and the measured energy consumption during the post-retrofit period.
Savings measurement for buildings such as primary and secondary schools is very
difficult due to the special operating schedules of these buildings. Currently, savings
are often determined by simple pre-post utility bill comparison; they may also be
determined with two separate models for the baseline: a 3-P model for non-summer
months, and a mean model for the summer months. (Landman 1996).
This thesis proposes a methodology for developing baseline models of energy use
for buildings such as schools which have important daily and seasonal variations in
occupancy. The method utilizes utility billing data, but also explicitly incorporates
occupancy rate, permitting a generalized model which retains the distinction between
energy use levels during occupied and unoccupied days of the year. The proposed methodology has been evaluated against the one proposed by Landman for 10 schools
in Texas.
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Citation
Wang, W. (1998). A Methodology to Develop Monthly Energy Use Models From Utility Billing Data For Seasonally Scheduled Buildings: Application to Schools. Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from https : / /hdl .handle .net /1969 .1 /93388.