This calculator lets you work out how much electricity your dishwasher will use and the estimated CO2 emissions.

Cost of electricity in your municipality:
Number of washes you do per week:
Weeks in the year you wash:

What would you like to calculate?

Please enter the following details of the two appliances you are comparing:

Appliance 1:

Purchasing price (R):
Consumption per cycle in kWh:

Appliance 2:

Purchasing price (R):
Consumption per cycle in kWh:

Results

The tables below are a summary of the estimated costs of the appliances, the estimated CO2 emissions per year and over ten years, as well as the discounted payback period:*

Appliance Running Cost

Annual running cost (appliance 1)

R

Annual running cost (appliance 2)

R

First Year Savings in Electricity

R

Ten year running cost (appliance 1)

R

Ten year running cost (appliance 2)

R

Purchase price + ten year running cost (appliance 1)

R

Purchase price + ten year running cost (appliance 2)

R

Discounted Payback

years

Greenhouse gas emissions

Annual GHG emissions in kgs of CO₂ (appliance 1)

kgs

Annual GHG emissions in kgs of CO₂ (appliance 2)

kgs

GHG emissions difference

kgs

Ten year GHG emissions in kgs of CO₂ (appliance 1)

kgs

Ten year GHG emissions in kgs of CO₂ (appliance 2)

kgs

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Please enter the following details of the single appliance you are considering purchasing

Purchasing price (R):
Consumption per cycle in kWh:

Results

The tables below are a summary of the estimated costs of the appliance and its estimated CO2 emissions per year and over ten years:*

Appliance Running Cost

Annual running cost

R

Ten year running cost

R

Purchase price + ten year running cost

R

Greenhouse gas emissions

Annual GHG emissions in kgs of CO₂

kgs

Ten year GHG emissions in kgs of CO₂

kgs

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These are advanced settings that can be changed

Discount rate (%) Annual electricity increase (%) GHG emission factor

*Calculations are based on the estimated kWh per cycle and are only a guide. kWh per cycle varies depending on appliance usage. For more information on dishwasher energy efficiency click here.