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Last Updated28th June 2022
All calculations on this site are based on current fuel prices, they are checked regularly and calculations are automatically updated.
The costs calculated based on these fuel prices should be regarded as 'good estimates', given that fuel prices vary in different parts of the county and at different time of the year.
The calculations also have different levels of accuracy depending on the nature of the calculation. For example calculating the energy use of a known power output TV is very easy compared to calculating the effect on energy savings when insulating a cavity wall.
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At Confused About Energy we aim to provide practical, impartial advice on all aspects of energy usage, climate change and ways to save money on energy bills.
All calculations on this site are based on current fuel prices they are checked regularly are automatically updated and were last changed on:-
28th June 2022
The costs calculated based on these fuel prices should be regarded as 'good estimates', given that fuel prices vary in different parts of the county and at different time of the year.
The calculations also have different levels of accuracy depending on the nature of the calculation. For example calculating the energy use of a known power output TV is very easy compared to calculating the effect on energy savings when insulating a cavity wall.
Site Calculations
Site prices were last updated 28th June 2022.
When they are updated all calculations on the site are updated with the new prices automatically Read More.
Carbon Dioxide emissions data is also included and is in green throughout the site Read More.
Site Units
| Electricity | £0.271 per unit (1 kWh) |
| Economy Electricity | £0.094 per unit (1 kWh) |
| Gas | £0.072 per unit (1 kWh) |
| Domestic LPG | £0.122 per unit (1 kWh) |
| Heating Oil | £0.104 per unit (1 kWh) |
| UK Grid CO2 Emissions | 0.233 kg per kWh used |
The main units used in this site are in the table below, For a complete explanation of power and energy Read More.
| Unit | Name | Detail |
|---|---|---|
| W | Watt | Unit of Power |
| kW | Kilowatt | 1000 watts |
| kWh | Kilowatt hour | Measure of Energy |
| L | Litre | Measure of Volume |
Please use twitter to ask a question Message @@EnergyThinking
It is important to get overall household energy use into perspective to understand where to cut costs and when to invest in new equipment.
It is important to get overall household energy use into perspective to understand where to cut costs and when to invest in new equipment.
The first pie chart shows the major components of energy use in the average UK house. Heating your home clearly dominates, followed by heating water. Electrical appliances and cooking are relatively low in energy use in your house (It should be noted that in reality when considering the inefficiencies of power generation that the actual energy use of electrical appliance is higher).
The second chart shows the relative costs assuming that Gas is used to cook, heat the house and heat the water. The cost contribution from electrical appliances is higher than the "in house" energy use; this is simply because electricity is much more expensive per kWh than gas.
The conclusions are apparent; to really save some money where you live the first focus should be on heating, hot water and insulating against heat loss. Much of the site focuses on the various heating and water options, and looks at insulation. The objective is to help to inform choice on what is best to do in your circumstances, to save money and sensibly invest.
Useful Links
There is an excellent UK government report on this from 2013, it is well worth read if you are looking for the complete picture.
Local Copy of the same report in case they move it!
Even more data and reports here:-
https://www.gov.uk/government/collections/domestic-energy-fact-file-and-housing-surveys
Energy usage in a solid wall property - Glynn 2013-11-23 07:57:10
Would the % of usage and cost for space heating be greater in a solid wall property with twice as much heat loss as a cavity wall?
Would the % of usage and cost for space heating be greater in a solid wall property with twice as much heat loss as a cavity wall?
energy consumption - felix 2011-02-07 19:04:59
could you let me know the source of the pie charts and also the date the information is related to?it is amazing how i tried for an hour to get this information from the UK government website and they have nothing!!!
could you let me know the source of the pie charts and also the date the information is related to?it is amazing how i tried for an hour to get this information from the UK government website and they have nothing!!!
Charts - Richard 2011-02-09 23:32:04
Hi Felix The charts I did myself in excel The data for the charts comes from "energy consumption in the UK" a DTI document. What is the department called now, Berr, BIS, it changes on a monthly basis and I can't find the docs anymore! I have a printout and should be able to find the PDF, if you send me your e-mail, I'll send it. Cheers Richard
Hi Felix The charts I did myself in excel The data for the charts comes from "energy consumption in the UK" a DTI document. What is the department called now, Berr, BIS, it changes on a monthly basis and I can't find the docs anymore! I have a printout and should be able to find the PDF, if you send me your e-mail, I'll send it. Cheers Richard
Comments and Questions