ClueLuma

First-year net cash saving calculator

Annual net saving is calculated as Energy − OM − Fee. Use the stated system boundary and matching input units.

Net=Energy−OM−Fee\text{Net} = \text{Energy} - \mathrm{OM} - \text{Fee}

Calculator

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

$/year
$/year
$/year
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Worked example

Given

  • Energy\text{Energy} = 30,000 $/year
  • OM\mathrm{OM} = 2,500 $/year
  • Fee\text{Fee} = 6,000 $/year
Net=30,000−2500−6000=21,500\text{Net} = 30{,}000 - 2500 - 6000 = 21{,}500

Symbols and units

SymbolMeaningUnit
Net\text{Net}annual net saving$/year
Energy\text{Energy}avoided energy cost$/year
OM\mathrm{OM}added maintenance cost$/year
Fee\text{Fee}annual service fee$/year

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