ClueLuma

Annual electricity-energy savings calculator

Multiply annual generated energy by the displaced energy tariff.

Se=P×H×a×ceS_{e} = P \times H \times a \times c_{e}

Calculator

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

kW
h/yr
fraction
$/kWh
$/yr

Worked example

Given

  • PP = 350 kW
  • HH = 5,800 h/yr
  • aa = 0.92 fraction
  • cec_{e} = 0.13 $/kWh
Se=350×5800×0.92×0.13=242,788S_{e} = 350 \times 5800 \times 0.92 \times 0.13 = 242{,}788

Symbols and units

SymbolMeaningUnit
SeS_{e}annual purchased-electricity energy savings$/yr
PPDG electrical outputkW
HHscheduled yearly operating hoursh/yr
aaavailability fractionfraction
cec_{e}avoided electric energy price$/kWh

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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.