Ofgem said that while the price cap will have to rise, the move to quarterly changes removes the risk of prices rising quickly for consumers when wholesale prices go up but falling slowly and less fully when they go down.
They also claim that when wholesale prices fall, reductions will be passed on in full to customers through a lower price cap and will happen more quickly with the quarterly price cap.
Announcing the news Ofgem said the change to when the energy price cap is updated “will go some way to provide the stability needed in the energy market, reducing the risk of further large-scale supplier failures which cause huge disruption and push up costs for consumers.”
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The added: “It is not in anyone’s interests for more suppliers to fail and exit the market.”
It said that although Britain only imported a small amount of Russian gas, as a result of Russia’s actions, the volatility in the global energy market experienced last winter had lasted much longer, with much higher prices for both gas and electricity than ever before.
Ofgem chief executive Jonathan Brearley said: “I know this situation is deeply worrying for many people. As a result of Russia’s actions, the volatility in the energy markets we experienced last winter has lasted much longer, with much higher prices than ever before. And that means the cost of supplying electricity and gas to homes has increased considerably.
“The trade-offs we need to make on behalf of consumers are extremely difficult and there are simply no easy answers right now. Today’s changes ensure the price cap does its job, making sure customers are only paying the real cost of their energy, but also, that it can adapt to the current volatile market.
“We will keep working closely with the Government, consumer groups and with energy companies on what further support can be provided to help with these higher prices.”
As expected, Ofgem also warned that as a result of the market conditions, the price cap would have to rise to reflect increased costs.
Mr Brearley later confirmed to BBC Radio 4’s Today programme that Ofgem was looking at taking money off standing charges, but warned that trade-offs were involved and “there aren’t easy answers in the market right now”.
Asked about proposals to help customers, such as cutting VAT and green levies, he replied: “There is an almost £40 billion package of measures that are already in place to pay as discounts on our bills, but I think everyone recognises that the market has fundamentally changed since that package was announced, which was only two months ago, so every politician will be thinking about how they can mitigate that.”
He added: “I think we all recognise that more will need to be done.”
Business, Energy and Industrial Strategy Committee chairman Darren Jones said: “Whilst the change announced by Ofgem today will prevent more energy suppliers going bust, and the cost of failures being added to our bills, it also means customers will see their bills going up more frequently than before. These increases won’t be as big as before but they’ll be increases nonetheless.
“When the price of energy starts to come down, customers will see their energy bills reduce more quickly, but I don’t expect to see this happening until the end of 2024 or 2025.
“That’s why my Committee has asked the Government to look at introducing a social tariff, as a more effective method of price regulation to help low income households.”
Changes to the price cap come as household energy bills are likely to remain at more than two-and-a-half times their pre-crisis levels until at least 2024, according to latest predictions.
National Energy Action director of policy and advocacy Peter Smith said: “Ofgem moving ahead now with passing price cap changes on to households quarterly rather than every six months wasn’t necessary and unfortunately means further significant price increases in January are inevitable.
“Average annual bills are already predicted to increase by £1,200 a year – a 177% increase since last October. Now, householders can expect further hikes just after Christmas, in the middle of heating season when energy costs are typically at their highest.
“January is also usually a time of increased mental health problems and further hikes in bills will sadly lead to increased misery and huge anxiety for energy consumers across Great Britain, particularly for the poorest households. It’s disappointing that Ofgem has not listened to these concerns. They could have used their discretion to offset this avoidable outcome by starting the reforms in April when energy demand starts to fall.
“This change also strengthens the growing calls for deeper price protection for the poorest households, something Ofgem can and must help support.”
Gillian Cooper, head of energy policy at Citizens Advice, said: “Something that’s added to all our bills is the cost of supplier failures. Changing to a quarterly price cap should limit the risk of any more suppliers going bust, which is a good thing. But our bills are already incredibly high and still rising.
“The Government was right to bring in financial support for people, but it may not be enough to keep many families afloat. It must be ready to act again before winter draws in.
“Ofgem must make sure suppliers are helping customers who are struggling to pay. It should hold energy companies to account so people aren’t chased by debt collectors or pushed onto prepayment meters when they can’t keep up with bills.”