Posted 5 years ago by Matt Richardson

Estimating Appliance and Home Electrical Energy Use

Level: Junior Apprentice

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Use this helpful tool from to calculate how much energy your aquaponics system will use:

If you’re trying to decide whether to invest in a more energy-efficient appliance or you’d like to determine your electricity loads, you may want to estimate appliance energy consumption.


Use this formula to estimate an appliance’s energy use:

(Wattage × 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 in kWh per year.

From: Department of Energy. “Estimating Appliance and Home Electronic Energy Usage.” Accessed June 11, 2013.


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why is there so much math in this ones reading and there no way im going to pay for it.

Posted 4 years ago by

andersont2, Novice

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