Estimating Your Pool Pump Costs
If you're trying to calculate energy power use for a pool water filtration system then the following formula can provide an estimate energy running costs. The running costs of your filter pump average to about 10c an hour and this has been calculated at 6 hours of use.
To keep running pool pump costs down installing a electric 24 hour timer to control your pool pump and switching it on and off automatically will improve your power consumption. This will stop pool pumps running longer than what they should in the event you forget to turn your pool pump off .
The running cost of an appliance depends on the wattage the appliance operates at and the length of time it is used. For example: a 1000 watt iron takes one hour to use one kWh, while a 500 watt vacuum cleaner takes two hours to use one kWh.
Formula for Estimating Pool Pump Energy Consumption
You can use this formula to estimate an appliance's energy use:
(Wattage x Hours Used Per Day ÷ 1000 = Daily Kilowatt-hour (kWh) consumption
(1 kilowatt (kW) = 1,000 Watts)
Multiply this by the number of days you use the appliance during the year for the annual consumption. You can then calculate the annual cost to run an appliance by multiplying the kWh per year by your local utility's rate per kWh consumed.
Pool Pump rated at 750 watts (single phase motor ) and used for 6 hours a day :
( 750 Watts x 6 hours /day ) ÷ 1000
= 45 kWh x .19 cents/kWh
=$0.86 per day.
Pool Pump rated at 1500 watts and used for 6 hours a day :
(1500 Watts x 6 hours / day) ÷ 1000
= 9 kWh x .19 cents/kWh
=$1.71 per day.