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Switching energy tariff

Switching energy suppliers or tariffs can be one of the most effective ways to save money on your energy bills, by ensuring you are on a tariff that suits you best.

Here are some helpful tips and important things to think about when you are considering switching suppliers of electricity or gas. 

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How much energy do you use?

Have an idea of how much energy you use to make sure the comparison you make is accurate. You can find this out by looking at your most recent energy bill. You can also contact your energy supplier and request an annual statement through the post. The best figure to use is your annual kWh consumption, this should be on your most recent bill, otherwise your current supplier should be able to give you this figure over the phone.  

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Know your postcode and name of current tariff

This allows suppliers or comparison sites to assess your supply area. You will also be asked to provide the name of your current tariff to make sure the comparison you make is accurate.

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How do you currently pay?

How you pay is of importance. For example, if you use a pre-payment meter then you can only apply for a pre-payment tariff. Remember, paying by direct debit is usually the most cost-effective method (but may not be suitable for everyone). It can sometimes be cheaper if you arrange to manage your bills online.

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Check for any extra or hidden charges

Some suppliers may add a standing charge to your bill (this is the cost of supplying an electricity or fuel supply to your home). This should be made clear. Where a standing charge is not included you may be asked to pay a higher unit price for a set number of units before receiving a lower unit price thereafter.

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Which tariff suits you most?

You should be given a choice between variable or fixed tariffs. On a variable tariff your bills could go up or down in line with energy prices. Late last year when all the major six suppliers announced energy bill rises, those on variable tariffs would have noticed a change on their bill.  

If you're on a fixed rate tariff, your price per unit for gas and electricity is locked for a set period. This can be a good way to defend yourself against price hikes, but it could leave you paying more if there were significant price cuts or you may pay more in the short-term.

Different tariff types suit different people.

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Check for penalty charges

Make sure you check to see whether your current tariff has penalty charges for leaving. This is particularly common on fixed tariffs and you may be required to pay a fee for leaving a tariff. Check with your supplier.

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Thinking of using a comparison site? 

If you want to use a comparison site to check tariffs and options, make sure you use one of those listed below. That's because these sites meet Ofgem's Code of Confidence, which ensures you get all the correct information and no nasty surprises.

Energy Helpline


Money Supermarket

My Utility Genius

The Energy Shop


Simply Switch

UK Power

Run path digital

Switch gas and electric

Unravel it

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And remember, you can always contact Warmer Homes, Greener District on 0800 677 1543 to talk more about your tariff options. We can even help you switch over the phone.

For more information of Ofgem's Code of Confidence click here.  Or read more on our switching energy tariff FAQs here.

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