How To Calculate Energy Consumption Of Appliances. To calculate power consumption you must know that the consumed electricity depends mostly on two factors-. The energy consumption figure shows an estimate of how much energy the appliance uses each year.
E kWhday P in Watts Time number of usage hours per day 1000 WkW OR. Figure out the cost by. For example a 1000 watt electric iron running for one hour will consume 1000 watt X 1 hour 1000 watt hour or 1 kilowatt hour kWh of electricity.
Therefore it is necessary that each figure of the power of your device is converted to kilowatts.
You can do this by following four steps. Determine the kilowatts an appliance uses per month. 35 rows Energy Star Appliances. By mutiplying these two factors we can get the theoritical power consumption by the appliance.
