Importance

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Abstract

An apparatus for determining occupancy of a facility is provided. The apparatus includes a facility model processor and a global model module. The facility model processor is configured to generate occupancy components for the facility by processing a first data set comprising energy consumption and outside temperature data for the facility, the energy consumption and outside temperature data taken at a prescribed time increment over a first plurality of days, and is configured to generate a normalized first data set by employing the occupancy components to remove effects of occupancy of the facility from the first data set. The occupancy components include: a lower bound of energy consumption as a function of outside temperature; a normalized occupancy profile component as a function of the prescribed time increment; a marginal energy consumption component as a function of outside temperature; and a daily occupancy level component for each of the first plurality of days. The global model module is configured to receive the normalized first data set and a forecasted data set, the forecasted data set being generated by the facility model processor from the occupancy components and forecasted outside temperature data taken at the prescribed time increment over a second plurality of days, and is configured to generate and display comparisons of the forecasted data set with the normalized first data set over the second plurality of days.

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First Claim