Site Prices Update
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.
Site Calculations
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User PricesFor 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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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
| 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
...Most drivers will be able to make savings by changing their driving habits and techniques.
There is a lot written on this subject, however some of the information is misleading and confusing. Confused About Energy has carried extensive research to identify the best ways to improve your car’s fuel economy and save you money. Here are our top ten tips (not necessarily in order of importance or amount of saving):-
- Drive smoothly
All aspects of your driving should be gentle and smooth – accelerating, breaking and steering. Sharp acceleration, hard breaking and flinging the car about will significantly increase fuel consumption. Imagine you have a passenger holding a full cup of coffee and trying to drive so that none of it spills out! - Don’t over rev and avoid high speeds.
It isn’t just about driving slowly, but driving at the most efficient speed for the engine. This can be done by keeping the engine at its most economical rpm, usually between 1500 and 2500 depending on engine type and size. At very high speeds engines will be outside this range and consume significantly more fuel. Aerodynamic drag also increases rapidly above 70mph. According to the Department of Transport driving at 85mph uses approximately 25per cent more fuel than at 70mph (plus its illegal!) and at 70mph about 10 per cent more than at 60mph. - Keep moving!
In heavy traffic and urban areas you can save fuel by trying to keep the car moving as much as possible. Maintain a distance from the car in front, look ahead and try to anticipate what is happening so that you can minimise braking and accelerating. It takes more fuel to get a vehicle moving than it does to keep it moving. - Get in the right gear
Try to maintain the optimum revs by changing up a gear at the right time, this is about 2500 revs on a petrol car and 2000 revs on a diesel. Change gear quite quickly but smoothly at the right revs. This will get the car into its highest and most economical gear quicker. However don’t change up too early at very low revs, this causes the engine to labour and will also increase fuel consumption. - Go easy on the brakes
Braking hard wastes energy, increases fuel consumption and wears out the brakes. A fantastic tip is to slow down gradually by slowly lifting your foot off the accelerator whilst leaving the car in gear and let the car slow by itself rather than use the brake. In modern engines the Engine Control Unit cuts out the fuel supply to the engine when you lift your foot of the throttle but the car is still in gear, meaning you use no fuel at all. Although the engine continues running it is being driven by the wheels. This is called deceleration fuel cut off. This is not to be confused with coasting in neutral, which is not advisable from a safety or fuel economy point of view. If you coast in neutral with the clutch depressed or the car out of gear you are not in full control of the car and there will still be fuel used due to the engine needing to maintain idle engine speed. - Don’t warm up before you go go
When you are going out on a cold morning, don’t start up and leave the car running with the fan heaters and/or window heaters on. As well as using fuel to go nowhere, using the heaters will slow the rise to operating temperature of the engine. This causes the fuel injectors to add more fuel to the fuel air mixture until the proper engine temperature is reached. So it is a double whammy. You can save fuel by not running the engine before you go, using de-icer or scraping the windows if frosty and don’t put the heaters on until the car is engine is up to operating temperature (you may need an extra jumper on!) - Lose some weight and slim down
The car that is. Extra weight means the car uses more fuel to get around, so take out everything you don’t need. There’s probably not much to be saved on weight reduction unless you have forgotten to take out a few bags of cement or unhook the caravan. Also roof racks, bike racks and roof boxes can increase aerodynamic drag and therefore increase fuel consumption. So take them off if you are not using them. - Pump up the tyres
Under inflated tyres increase resistance and therefore increase fuel consumption. Handling is also worse and your tyres will wear quicker. So this is an easy one really, check your tyre pressure regularly and keep them inflated. - Catch a lift! Try car sharing
Whether it’s for the daily commute or one off trips to town or the shops, car sharing can obviously significant reduce your fuel bill. It can also reduce congestion on the roads. You can ask around at work or in in your community to set something up, or there are several car sharing webs sites dedicated to helping people set up or find car sharing schemes. - Leave the car at home!
The ultimate fuel saving tip. Try a bike, walking, the bus or train. This will not be an option for everyone, particularly for people in rural communities with little or no public transport.
I found the site really useful but the data is from February. When can we expect an update??
The chances are that most of us will be driving 50% of time with the wind behind us. I think with estate cars or cars with a 'van like' rear hatch, you can take advantage of the wind helping to blow you along. On a windy day, try recording your mpg separately to & from your destination. You will be surprised at the difference !
World Climate Change Metrics
(2021)
↑
Annual
+11353 TWh↑
Decade
2040 149000 TWh to 171000 TWh
(2021)
↑
Annual
+2.6 Gt↑
Decade
2040 36 Gt to 46 Gt
(2021)
↑
Annual
+835 million↑
Decade
2040 8.45 billion to 9.5 billion
(2021)
10+Gt CO2
↑
Annual
+1168 TWh↑
Decade
2040 10000 TWh to 13000 TWh
(2021)
↑
Annual
+24 ppm↑
Decade
2040 450 ppm to 500 ppm
(2022)
↑
Annual
+0.26°C↑
Decade
2040 1.5°C to 2.5°C
(2020)
–
Annual
+46.5 mm↑
Decade
2040 150 mm to 200 mm
(2020)
↓
Annual
0.95 million km2↓
Decade
to 2 million km2
2040 2 million km2
to 0 million km2
(2020)
↓
Annual
-1600 Gt↓
Decade
2040 -7000 Gt to -10000 Gt
(2020)
↓
Annual
-2500 Gt↓
Decade
2040 -7000 Gt to -10000 Gt
Each Decade
↓
Decade
(2019)
↑
Annual
+2169 TWh↑
Decade
2040 9000 TWh to 12000 TWh
(2018)
↑
Annual
0.96 Gt↑
Decade
2040 5.4 Gt to 7.2 Gt
≅4.6 GtCO2 emissions prevented
Example 50% gas power generation substituted with renewables
≅2 GtCO2 emissions prevented
≅3.7 GtCO2 emissions prevented
Example 50% gas power generation with CCS
≅1.6 GtCO2 emissions prevented
(2017)
↑
Annual
543 TWh↑
Decade
2040 1250 TWh to 2200 TWh
(2015)
↓
Annual
0.336 million km2↓
Decade
to 39.7 million km2
2040 39 million km2
to 39.5 million km2



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