
AUSENIST
Pump VFD Energy Savings Calculator
Estimate potential energy and operating cost savings by using a VFD on your pump.
kW
h/day
days/year
Hz
Hz
$/kWh
Estimated Annual Savings
Energy Savings
1,252 – 1,693 kWh / year
Cost Savings
$188 – $254 per year
Fixed-Speed Consumption 2,700 kWh/year
50 Hz → 22.5 Hz average
Preliminary estimate based on pump affinity laws with conservative
system factors. Actual savings depend on pump curve, static head,
flow demand, motor efficiency and operating conditions.
Quanzhou Ausenist Technology Co., Ltd