Fixed energy deals offer households savings before October cap rise
Households in Great Britain could reduce their energy costs by moving from a default tariff to a fixed deal before the price cap rises in October. The change could also provide protection against a further increase forecast for January, although future prices are not yet confirmed.
From 1 October, the price cap will rise by 4% to an annual equivalent of £1,723 for a typical household, following a 13% increase in July. The cheapest cited fixed tariff, from Fuse Energy, costs £1,550 a year for typical use—£173 below the October cap—while other suppliers offer savings of more than £100; consumers should check contract lengths and exit fees before switching. Analysts at Cornwall Insight forecast a further 9% rise in January, potentially taking typical bills to about £1,872, while a temporary zero VAT rate on domestic electricity is expected to save a typical household £45 a year.
- Fixed energy deals could undercut October’s higher price cap.
- Cheapest cited tariff offers typical savings of £173 annually.
- Check exit fees and contract terms before switching.
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Most households in Great Britain buy gas and electricity on a tariff set by an energy supplier. The price cap, set by the regulator Ofgem, limits the rates suppliers can charge customers on default tariffs, but it does not limit a household’s total bill because that depends on how much energy it uses.
A fixed tariff sets energy rates for an agreed period, usually in return for a contract. It can offer more certainty when prices are expected to rise, but households may pay an exit fee if they leave early and could miss out if prices later fall.
Energy bills have been affected by changes in wholesale gas and electricity prices, as well as network and policy costs. The cap is reviewed regularly, so changes can affect millions of households who have not chosen a fixed deal.
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The strongest fair case each way — we don't pick a winner.
The case for
Encouraging households to consider fixed deals now can be a practical way to secure an immediate saving against the October cap and reduce exposure to a possible further rise in January. Supporters argue that price certainty is especially valuable for households managing tight budgets, provided people compare offers carefully and understand contract length and exit-fee terms.
The case against
A fixed tariff is not automatically the best choice because forecasts can be wrong and wholesale prices may fall, leaving customers locked into a rate above the future cap or facing a fee to leave. Advocates of staying on the default tariff argue that flexibility and consumer protections can matter more than a headline saving, particularly for households whose usage or circumstances may change.
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Originally published by The Guardian as “Households could save up to £173 a year by switching to fixed energy deal”.