Scheduling Optimization: Condenser Water Pump


$36,000 in annual energy costs.

The Background

Although condenser water pumps are supposed to be weather-dependent loads, these pumps were drawing power around the clock. Shifting the profile to be more consistent with building occupancy and outside air temperature saved significant costs without affecting tenant comfort.

Identifying opportunities to run the pumps at partial load  reduces the load and produces enormous utility cost savings without affecting tenant comfort.

The client saved $36,000/year from this zero-cost change by following  a recommended 50% power-draw schedule of 5am to 8pm Weekdays and 50% load on Weekends all hours.


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Comly Wilson