Power consumption & energy usage of dishwashers

A dishwasher is a piece of equipment used to clean dishware and cutlery automatically. The dishwasher was first introduced by Joel Houghton in the United States in 1850. It was a hand-driven machine. Modern-day dishwashers use pumps and rotating spray arms. The power consumption of dishwashers ranges between 1200 and 2400 watts.

Enter the wattage, hours of usage and cost per kWh. The energy usage calculator for dishwashers gives you the total energy consumed by them. Also, you can find how much power does your dishwasher consume.

Energy usage of dishwashers

Wattage:
Average usage hours per day:
Cost per unit*:(Global Electricity rates)
Electricity usage per hour:
Electricity usage per day:
Usage cost per hour:
Usage cost per day:
Usage cost per month:
Usage cost per year:
*The cost is currency independent and same that of cost per unit input given.

Terms and definitions:

Wattage:

Power usage of device in watts as mentioned in the label of the lamp.

Cost per unit:

The average cost per unit charged by the electric utility. Every country has different tariff rates. Visit: Global Electricity prices for details if you don’t know how much the utility company charges you per unit or kWH.

Units per day:

The number of units of electricity consumed by the load every day considering the entered operation hours.

Hours of usage:

Number of hours the load is used per day.

The electricity usage depends on the wattage, number of hours of usage. The utility company charges you for the total number of kilo-watt-hour of energy you have consumed. Kilowatt-hour is the product of power consumption of the load and the number of hours of usage.

Power consumption of dishwashers

Energy usage calculator for dishwashers

A typical dishwasher consumes 1.8kWh of energy per hour of usage. That means an hour of usage can cost you 21 cents.

Dishwashers use hot water to clean the dishes. A mixture of water and detergents is sprayed over the dishes through spray arms. After the dishes are cleaned the water is drained. Apart from domestic use, they are also used in commercial establishments such as hotels and restaurants.

Energy-saving while using dishwashers

  • Use the dishwasher in full load always.
  • Lower the water temperature.
  • Don’t heat dry instead choose air dry. This can lower power consumption of dishwashers by 15%.
  • Hand-wash the dishes whenever possible.

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