Occupancy & Production Adjustments

Normalizing for changes in headcount, hours of operation, production volume post-project.

10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026

Weather is the biggest driver of energy use, but rarely the only one. Changes in occupancy, operating hours, and production must also be accounted for, or savings will be over- or understated.

In this lesson

01Why other drivers matter
02Occupancy and operating hours
03Production in industry
04Adding drivers to the model
05Choosing which drivers to include
06The combined adjustment
07Sources and further reading