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Peak demand from load factor calculator

Peak demand is calculated as E/(LF × h). Use the stated system boundary and matching input units.

Dpeak=ELF×hD_{\text{peak}} = \frac{E}{\mathrm{LF} \times h}

Calculator

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

kWh
—
h
kW

Worked example

Given

  • EE = 300,000 kWh
  • LF\mathrm{LF} = 0.6 —
  • hh = 730 h
Dpeak=300,0000.6×730≈684.9D_{\text{peak}} = \frac{300{,}000}{0.6 \times 730} \approx 684.9

Symbols and units

SymbolMeaningUnit
DpeakD_{\text{peak}}peak demandkW
EEperiod energykWh
LF\mathrm{LF}period load factor—
hhperiod hoursh

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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.