The energy giant E. On has said his standard rate of increase of the prices in an average of 4.8% for those customers who take both gas and electricity.
Customers face an average annual increase in the price of £55 from the 16 of August.
“A number of costs have increased sharply and we have experienced a rise in the price that we pay for the energy that our customers need,” E. On said.
In March, the company made changes in their bills, which added £22 to the average standard variable rate tariff.
E. On spokesman told the BBC: “The changes led to the elimination of the discounts and a change in the position of charging for people who pay in the demand for money in cash or check.
“This is an increase in the price of the unit, which makes us the fourth cheapest of the big six suppliers”.
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For E. On electricity-only customers to the standard variable rate of increase of 6.2%, an average of £36 a year, while gas-only customers will see an increase of 3.3%, with an average of £19.
He added that the company had been hit by a 22% increase in wholesale costs since March.
The rest of the ‘big six’ have announced price rises recently.
SSE bills went up an average of 6.78% or £76 a year
British Gas bills grew by 5.5% or £60
Scottish Power increase was of 5.5%, or £63 on average
EDF raised electricity prices by 2.7% or £16
Npower’s increase of 5.3 percent, an average of £64, entered into force at the end of the week.
In a statement, E. On said it was his second drive of increase of the prices in more than four and a half years, and during this period it has also reduced the prices on two occasions.
E. On chief executive Michael Lewis said: “we will continue proactively to inform customers about the different rates that are offered and encourage them to go to the tariffs, as well as the promotion of different services that potentially can help bring their bills, such as a smart meter, a more efficient boiler or better insulation.”
Victoria Arrington, from the price comparison service Energyhelpline, said: “This new place is a bitter and expensive pill to swallow. The cost of sticking to a big name energy supplier is quickly overcoming the feeling of security it gives to clients.”