How can I tell how much gas and electricity I’m using

How can I tell how much gas and electricity I’m using

Cutting down on energy usage around the home not only helps to reduce your energy bills but also your carbon footprint. By monitoring how much energy you use, you can then take steps to be more energy efficient.

See how you can find out what you’re using and how you can save and reduce your bills

Mubina Pirmohamed From the Energy team
6
minute read
posted

How is energy calculated?

Energy is sold to you by the kilowatt hour (kWh), also known as a unit rate on your energy bill. You’re charged for every kWh hour you use. You’ll also be charged with a daily standing charge. This is what your energy provider charges you to be connected to their supply.

All electrical items are rated for power in watts or kilowatts. The amount they consume also depends on how long they’re on for.

The average UK household uses between 8.5-10 kWh per day.

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Typical power rating ranges for the most common domestic appliances:

  • Dishwasher        1.0-1.5 kWh
  • Tumble dryer     2.0-3.0 kWh
  • Oven                  2.0-2.2 kWh
  • Kettle                 2.2-3.0 kWh
  • Fridge-freezer    0.20-0.40 kWh

When buying new appliances, it's worth comparing their energy ratings to see which will cost less to run. The ratings range from A to G – with A being the most energy efficient. Some types of appliances may also have additional A+, A++ and A+++ ratings, to distinguish the most energy efficient. The label will also tell you how much electricity the product uses in kilowatt hours, so you can compare different models’ use of power.

How can I find out my energy usage from my bill?

You’ll find a full breakdown of your energy usage and how much you’re being charged for it on your energy bill. Whether this reflects your actual usage depends on the bill.

There are two types of bills:

  • Accurate - this is based on a recent meter reading, or on monthly readings that you’ve taken yourself, then sent to your supplier.
  • Estimated - if your supplier doesn’t receive your meter readings, the amount of kWh you’re charged for will be based on approximations, such as previous energy usage and what time of year it is.

Estimated bills might not be accurate, so you could be paying more one month, and less the next. The only way to get an accurate bill is to take an exact reading of your energy usage and send it to your supplier –  or get a smart meter installed. See our guide to smart meters.

If you’re not sure where to find what you’ve been charged for on your bill, take a look at our guide to understanding your bill for:

Checking your annual statement will give you an overview of your total energy use and how much you’ve spent over the year. You may also be able to see the seasonal variations of your bills. Some providers may show you how much your annual use compared with the previous year, so you can see if your energy use is increasing or decreasing longer-term. Others may show you your expected use for the coming year based on your previous usage history.

All the information you need to compare tariffs is in the statement, so when you get your statement it’s a handy reminder to run an energy comparison and see if you can get a tariff that works better for you.

The best way to get an exact reading of your energy consumption at any time and eliminate the hassle of reading your meter altogether, is to opt for a smart meter.

What is a smart meter?

A smart meter will show you exactly how much energy you’re using in real time via an In Home Display (IHD). It will also send the information directly to your supplier using a mobile signal, which means you don’t have to do anything. You can also see which gadgets and appliances are costing you the most money to run.

Benefits of a smart meter include:

  • Accurate real time information on energy use
  • You’ll be able to manage your energy use more efficiently
  • No more estimated bills or meter readings
  • Switching suppliers is quicker and smoother as you won’t need to send a final reading to your current supplier



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Just be aware that if you decide to switch suppliers in the future for a better tariff, the smart meter might not be compatible and you may need to get it swapped over to one installed by your new supplier.

The government smart meter roll-out, which started in 2012 and should last until 2020, means energy suppliers are required to install smart meters and IHDs at no upfront cost to the customer. The Department for Business, Energy & Industrial Strategy reports that so far, over 10 million homes across Britain have been fitted with smart meters.

Smart meters aren’t compulsory, but they’re a great, hassle-free way of making you aware of your energy usage.

Compare and save

Knowing your energy usage can help you make an informed decision when it comes to comparing energy supplier tariffs. It can also help you get an accurate quote when you compare.

The UK average available variable tariff is around £1,206* per year while the cheapest available tariff is around £921** per year, so it makes sense to see if you could be paying less for the gas and electricity you are using. Switching suppliers couldn’t be easier and could save you around £285*** per year on your energy bill. Compare energy suppliers to see if you can save.

*Based on OFGEM bills, prices and profits data for an average of dual fuel, direct debit and available paper tariffs from the six large suppliers at September 2018.   
**Based on OFGEM bills, prices and profits data for dual fuel average available paperless tariff paid by direct debit with typical domestic consumption values at September 2018.   
***Based on OFGEM bills, prices and profits data at September 2018. Switching savings are based on a customer with typical domestic consumption moving from an average available variable tariff with one of the six large suppliers, to the cheapest available dual fuel tariff in the market.

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