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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
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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
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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
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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
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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
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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
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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
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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
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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.

Site Calculations

Site Units

Throughout this site almost all calculations use the kilo Watt hour (kWh) as a unit of measure for energy. The kWh was chosen as it is easy to relate to and is the standard measure for a unit of electrical energy on your electricity bill, i.e. 1 Unit = 1kWh. One kilo Watt (kW) is by the way 1000 Watts, and for completeness a Watt is a measure of power, which might be best described at the rate at which energy is transferred.

 

How to calculate whether it is financially worth installing a domestic renewable energy solution

There are many renewable energy options for domestic property these days allowing you to heat your home, hot water and generate your own electricity, but they are all expensive.   Manufacturers also have lavish claims for how much you will save.   Reducing carbon emissions is important, so this kind of technology is very important to our future, but if the financial return is inadequate, you may get better return for your money and the environment by simply insulating your loft.  Here are some simple steps to calculate the financial viability of an energy project.

 

How to calculate the energy payback time when investing in new equipment.

If you are considering investing in new technology in your house with a view to saving money on your energy bill, you should do the calculations to make sure it is really worth doing.  Here are some simple steps to deducing if it worth doing on cost grounds alone.

  1. Find out the power consumption of the device in kilowatts (kW).
  2. Estimate how long the device will be used for each day.
  3. Multiply the power consumption by the number of hours, to get the energy use per day in kilowatt hours (kWh).
  4. Multiply this by the number of days in a year (365).
 


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