ClueLuma

Demand charge calculator

Multiply billed demand by the demand rate for one billing period; annual savings require matching periods.

CD=Dbill×Demand rateC_{D} = D_{\text{bill}} \times \text{Demand rate}

Calculator

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

kW
$/kW per billing period
$

Worked example

Given

  • DbillD_{\text{bill}} = 420 kW
  • Demand rate\text{Demand rate} = 14 $/kW per billing period
CD=420×14=5,880C_{D} = 420 \times 14 = 5{,}880

Symbols and units

SymbolMeaningUnit
CDC_{D}demand charge$
DbillD_{\text{bill}}billing demandkW
Demand rate\text{Demand rate}demand price$/kW per billing period

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.