ClueLuma

Motor average electrical use calculator

Use factor is time duty, not mechanical motor LF.

AveragekW=InputkW×Usefactor\text{Average}_{\text{kW}} = \text{Input}_{\text{kW}} \times \text{Use}_{\text{factor}}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

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kW
kW

Worked example

Given

  • Usefactor\text{Use}_{\text{factor}} = 0.85 —
  • InputkW\text{Input}_{\text{kW}} = 100 kW
AveragekW=100×0.85=85\text{Average}_{\text{kW}} = 100 \times 0.85 = 85

Symbols and units

SymbolMeaningUnit
AveragekW\text{Average}_{\text{kW}}average electrical use per hourkW
Usefactor\text{Use}_{\text{factor}}fraction of time operating—
InputkW\text{Input}_{\text{kW}}input while operatingkW

Related calculators

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.