Gas & Electricity Tariff Prices per kWh

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Although many people may not realize it, the price that you pay for your energy is made up of two different charges:

  • Standing charge - this is a fixed amount that you are charged each day, regardless of how much gas or electricity you use.
  • Unit rate - this is the price you will pay per unit (kWh) of energy, so it can fluctuate depending on how much energy you use.

The unit that both gas and electricity are measured in is kilowatt hours (kWh). One kWh of gas is approximately equivalent to leaving a small gas hob burner on for an hour. One kWh of electricity is the rough equivalent of running a washing machine for an hour.

How energy bills are calculated

When calculating the price of your bill, energy providers monitor how many kilowatt hours of gas or electricity you have used over a certain period of time, and then multiply this by the price per unit set in your tariff. The number of days the billing period covers is then multiplied by the tariff’s daily standing charge cost.

They then add the two figures together to provide your total bill.

Current gas and electricity unit prices

The tables below show the current leading electricity and gas tariffs on the market, by average unit cost in kWhs. These figures should be used only as an indication of price, as the actual price charged for any specific tariffs will be different depending on where in the country you live.

In order to get accurate results for your property, it’s important to carry out a full market comparison by entering your postcode in the box at the bottom of the page. Full details of tariff unit prices and standing charges will be displayed within this comparison.

Supplier Tariff Avg. kWh unit price (ex VAT) Annual Standing Charge (ex VAT)  
E.ON E.ON Energy Saver Plus Fixed 1 Year v2 (Paper Billing) 8.776 pence £114.65 Continue
E.ON E.ON Energy Saver Plus Fixed 1 Year v2 (Paperless Billing) 8.776 pence £114.65 Continue
Sainsbury's Energy Fixed Price September 2017 9.256 pence £90.41 Continue
E.ON E.ON Energy Saver Fixed 1 Year v1 (Paper Billing) 9.884 pence £59.28 Continue
E.ON E.ON Energy Saver Fixed 1 Year v1 (Paperless Billing) 9.884 pence £59.28 Continue
SSE SSE 1 Year Fixed v8 9.964 pence £76.21 Continue
SSE SSE 1 Year Fixed v8 Paperless Billing 9.964 pence £70.48 Continue

Gas tariffs by unit (kWh) rate

Supplier Tariff Avg. kWh unit price (ex VAT) Annual Standing Charge (ex VAT)  
E.ON E.ON Energy Saver Plus Fixed 1 Year v2 (Paper Billing) 1.654 pence £231.70 Continue
E.ON E.ON Energy Saver Plus Fixed 1 Year v2 (Paperless Billing) 1.654 pence £231.70 Continue
Sainsbury's Energy Price Promise September 2017 1.664 pence £116.80 Continue
SSE SSE 1 Year Fixed v8 2.228 pence £76.21 Continue
SSE SSE 1 Year Fixed v8 Paperless Billing 2.228 pence £70.48 Continue
first:utility First Fixed September 2017 v4 (Full Service) 2.239 pence £116.07 Continue
first:utility First Fixed September 2017 v3 (ONLINE ONLY) 2.239 pence £78.00 Continue

Home gas and electricity price comparison


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