Confused About Energy

Site Prices Update

Last Updated
28^th 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.

Site Calculations

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For several of the fuel prices on this site you can now set your own prices and all the calculations on the site will adjust accordingly.

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About Us

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.

Site Guidance

All calculations on this site are based on current fuel prices they are checked regularly are automatically updated and were last changed on:-

28^th 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.

Site Calculations

Current Site Values

Site prices were last updated 28^th June 2022. When they are updated all calculations on the site are updated with the new prices automatically Read More.

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

Carbon Dioxide emissions data is also included and is in green throughout the site Read More.

Site Units

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

Solid Wall Insulation 36001

If you have a very old house with solid walls then you are losing a lot of heat through the walls. Solid walls transmit heat at, at least twice the rate that uninsulated cavity walls do.

Loft Insulation 123850

Since heat rises it follows that heat loss through the roof is a large contributor to energy waste in your house. By installing modern 290mm thick insulation in your loft space you could save up to 25% of your heating bill but perhaps more realistically by 20%.

Underfloor Insulation 65577

If you have timber floors, mineral wool insulation* can be used between the joists to insulate your floor. Assuming this is the only insulation measure installed in your house you can reduce the amount of heat loss through your floor by about a half...

Double Glazing 107707

Replacing your windows with double glazing to just save money does not actually make a lot of sense. You will reduce heat flow through you windows by at least a half...

Heat Loss 75291

If you have thermostatically controlled heating in your home, and most of us do, then your boiler will be controlled by the temperature measured in a particular area in your home i.e. where the thermostat is placed!

Cavity Wall Insulation 34970

If you have cavities in your walls which are not already filled with insulation then you have a great opportunity to save quite a lot of money. Most household heat is lost through the walls and anything to slow this down helps.

Lagging 34299

It is fairly obvious that hot water pipes and hot water storage cylinders should be insulated to prevent heat loss. Newer cylinders already have insulation prefitted...