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What are the spots?carbon dioxide emissionsfuel costs They show the relative Cost Savings and Reduced CO2 emissions.

Money
Saving
Tips
 Energy 
Savings 
Each Year
 Money
Savings
Each Year
 CO2
Savings
Each Year
 Comments
dishwasher energy saving tips Dishwashers
Read More
30kWh -
90kWh
£4.62 -
£13.86

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11.01kg -
33.03kg
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Run the machine full and less often

boil less water in kettle energy saving tips Boiling Water
Read More
82kWh -
164kWh
£12.628 -
£25.256

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30.09kg -
60.19kg
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Boil only what you need. Savings depend on how much tea you drink!

fridge freezer energy saving tips Fridge Freezers
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50kWh -
400kWh
£7.7 -
£61.6

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18.35kg -
146.8kg
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Fridge maintenance. Savings depend on size, age and rating

dmoney saving tips tumble drying Tumble Dryers
Read More
90kWh -
350kWh
£13.86 -
£53.9

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33.03kg -
128.45kg
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Operate Less often, clean filters, part dry clothes?

differnce in cost of shallow or deep bath Baths
Read More
700kWh -
1400kWh
£30.1 -
£215.6

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147kg -
513.8kg
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Have shallower baths and consider how you heat water

change energy supplier to save money Change Supplier
Read More
0kWh -
0kWh
£0 -
£500

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0 -
0
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save money and have a beerSwitch! This is the single simplest way of saving money. This is equivalent to 100 pints of beer!

shower or power shower which is cheaper Shower of Power Shower
Read More
120kWh -
1100kWh
£18.48 -
£242

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25.2kg -
403.7kg
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Aviod immersion heated power showers

save money and energy with good loft insulation Install Loft Insulation
Read More
3000kWh -
3750kWh
£129 -
£161.25

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630kg -
787.5kg
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Modern loft insulation in a 3 bed semi - these numbers are for Gas, savings are greater for other fuels

save money and energy with good loft insulation Improve Loft Insulation
Read More
1000kWh -
1500kWh
£43 -
£64.5

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210kg -
315kg
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Modern loft insulation in a 3 bed semi - these numbers are for Gas, savings are greater for other fuels

This table is under construction there are more tips here.

Measures to reduce fuel bills: ROI* is the time it takes in years to return the investment in fuel savings for an average gas heated 3 bed semi-detached house.
Measure ROI*
hot water tank insulation save energy save money Lagging 1 Year
loft insulation energy saving Loft Insulation 2 Years
cavity wall insulation energy saving Cavity Wall Insulation 2.3 Years
underfloor insulation energy saving Underfloor Insulation 4.4 Years
solid wall insulation energy saving Solid Wall Insulation 15.8 Years
double glazing energy saving Double Glazing 58.1 Years
Renewable Energy Measures ROI** is the time it takes in years to return the investment in energy. The table assumes no government incentive schemes are used (FIT or RHI).
Measure ROI**
solar hot water energy saving costs Solar Hot Water 11 to 62 Years
ground source heat pump investment costs Heat Pumps 4 to 81 Years
domestic wind power costs Wind Power 16 to 32 Years
solar PV costs and investment Solar Photovoltaics 13 ± 3 Years

Dishwashers

Last Updated on Thursday, 30 March 2017 10:41


dish washer running costs

How much does it cost to run a dishwasher?


Dishwashers carry an EU energy label which rates products from A-G for energy efficiency, cleaning performance and drying performance. The vast majority of products are at least A rated for energy.

However for dishwashers the energy rating is not based on actual energy consumption but the energy efficiency in relation to the dishwasher capacity (the number of place settings the machine can wash). The bigger the dishwasher in terms of place settings the greater the energy consumption. The table below shows approximate annual running costs of A rated dishwashers of different capacities. A place setting is defined as the cutlery/crockery for 1 person for one meal i.e. plate, bowl, cup/glass, knife fork and spoon.

Assumptions: Based on maximum energy consumption, current average energy price and an average of 250 cycles per year
Number of place settings Energy rating Cost per cycle (Carbon Dioxide Emissions) Annual running cost (Carbon Dioxide Emissions)
14 A £0.184 £44.943 (107.1kg)
12 A £0.172 £43.649 (104kg)
9 A £0.142 £33.355 (79.5kg)
7 A £0.116 £28.237 (67.3kg)
4 A £0.09 £20.531 (48.9kg)

However it should be noted that the energy efficiency label only refers to one of the programmes offered by a dishwasher (usually to most energy efficient one) and other programmes may not deliver the same energy efficiency.

Tips for buying a dishwasher

Improvements in the energy efficiency of dishwashers in recent years means that the vast majority are A rated and so there is little to chose between them in terms of energy efficiency alone. The difference in annual running cost between an A or A+ rated machine and a B rated machine is only about £ 5 - £ 7 per year.

Smaller dishwashers use less energy per cycle but hold fewer dishes so may need to be run more often, the table below shows the costs of washing 3000 place settings  using A rated dishwashers of different capacities (assuming they are all filled to capacity).  3000 place settings approximately equates to a year of washing for a typical family.

Dishwasher capacity (place settings) Number of cycles required for 3000 settings (1 year for a typical family) Annual running costs (Carbon Dioxide Emissions)
14 214 £38.98 (92.9kg)
12 250 £44.211 (105.4kg)
9 333 £45.055 (107.4kg)
7 429 £49.33 (117.6kg)
4 750 £65.08 (155.1kg)

The difference between a slimline 9 place setting dishwasher and a large 14 place machine are only about £ 5 per year, and the larger machines are much more expensive to buy.

What is most important is to select a dishwasher that suits your household needs and has good cleaning performance and reliability. For instance a large family should go for a 12 or 14 place setting capacity machine otherwise they will be stacking and un-stacking twice a day which is very impractical. Single people or couples will find medium or slimline machines more practical as they may need to wait 2 – 3 days to fill a large machine and so may be tempted to set it away half full.

Practicality, reliability, price and cleaning performance are more important factors than energy efficiency when purchasing a dishwasher.

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