Cheapest Fixed Energy Tariff to Switch to in 2026
The Ofgem cap is £1,663/yr. Fixing below the cap now can lock in today’s rate ahead of the 1 October review.
What the Current Ofgem Cap Means for Your Bill
Ofgem reviews the price cap every quarter. The cap for 1 July to 30 September 2026 is £1,663 per year for a typical dual-fuel household on a direct debit. Gas unit rates rose about 24% and electricity about 5% versus the April–June period, so gas-heated homes feel the rise most.
The current per-unit rates are:
| Fuel | Unit rate (p/kWh) | Standing charge (p/day) | Change from April cap |
|---|---|---|---|
| Electricity | 26.11p | 57.19p | +~5% |
| Gas | 7.33p | 29.04p | +~24% |
Gas prices are driving the bulk of the increase, so gas-heated homes feel it more than electricity-only users. Roughly 22 million UK households (around 40%) are on fixed deals and did not see this rise — but those on the standard variable rate (SVT) have paid more since 1 July.
Looking ahead: the next cap takes effect on 1 October 2026. Ofgem has confirmed the 1 October 2026 cap at £1,723/yr (updated consumption basis). Prices are not expected to fall back this year, which strengthens the case for fixing now rather than waiting.
Best Fixed Energy Deals Below the £1,663 Cap
The cheapest 12-month fixed deals on our live panel are typically priced below the £1,663 cap, several with no exit fees. Prices change daily and vary by region, usage and payment method — run your postcode through the comparison below for today’s exact deals, ranked by annual cost and shown as a percentage below the cap.
A shareable tip: take a meter reading on the day your cap period changes so your usage is billed at the correct rate either side of a price change.
Find your cheapest fixed deal
Enter your postcode and current usage to compare live fixed tariffs from Octopus, E.ON Next, EDF, OVO, British Gas and more. Takes 2 minutes and switching is free.
Why Fixing Now Beats the Standard Variable Rate
If you are on the standard variable rate (SVT), you are paying the capped £1,663/yr level on typical usage and are fully exposed to the next cap change. Fixing gives you three advantages:
Lock in a lower rate
The best fixes on our live panel are typically priced below the current cap on typical usage. That saving is fixed for 12 months regardless of where the cap goes next.
Protection from further rises
The 1 October 2026 cap is confirmed by Ofgem in late August; Ofgem has confirmed the October–December 2026 price cap at £1,723 a year for a typical dual-fuel household on the updated consumption basis (about £1,935 on the previous basis), effective 1 October 2026. If wholesale prices rise again, SVT customers pay more, while a 12-month fix insulates you from a second increase.
Certainty for budgeting
Fixed tariffs give you a known monthly direct debit for 12 months. That predictability is especially valuable if you work from home or charge an electric vehicle daily.
There is one risk: if the cap falls sharply in October or January 2027, a fixed rate could end up higher than the SVT. However, the current market forward curve suggests prices are unlikely to fall dramatically in the next 12 months, and an early exit from most deals is possible (sometimes with a fee). Always check the exit clause before signing.
How to Compare Fixed Energy Tariffs: What to Look For
Not all fixed deals are equal. When comparing fixed tariffs in 2026, check these five factors:
Annual cost, not unit rate alone
Standing charges vary by supplier and region. A low unit rate with a high standing charge can be more expensive overall. Always compare the total annual cost for your usage level.
Exit fees
Some 12-month fixed deals charge £25–£50 per fuel if you leave early, while others have none. Check the exit terms before committing.
Supplier reliability
Stick to established suppliers: Octopus Energy, E.ON Next, EDF, OVO, British Gas, Utility Warehouse, and Good Energy.
Regional variation
Ofgem cap unit rates vary by region. The current cap figures (26.11p/kWh electricity, 7.33p/kWh gas) are national averages. Your actual cap may differ slightly by distribution network area.
Green energy credentials
If renewable sourcing matters to you, Good Energy and Octopus Energy offer 100% renewable electricity options. EV drivers in particular may prefer a green electricity fix.
How to Switch Energy Tariff in 2026: 5 Steps
Switching is simpler than many people expect. Under the Energy Switch Guarantee, most switches complete within five working days once you choose a deal.
- Gather your details. Find a recent energy bill. You need your current supplier, tariff name, annual usage (kWh for electricity and gas), and postcode.
- Compare fixed deals. Use the comparison tool on this page to see personalised live quotes from multiple suppliers. Enter your usage figures for an accurate comparison.
- Choose your tariff. Pick the fixed deal that best balances price, exit terms, and supplier reputation using the live comparison above.
- Apply online. Sign up directly with the new supplier. They contact your old supplier and arrange the switch. You do not need to cancel your old account yourself.
- Submit a meter reading. On the day of the switch, take a meter reading (or smart-meter reading). This ensures your final bill from your old supplier is accurate and you are not charged for usage that should be billed at the new tariff.
You have a 14-day cooling-off period after signing up if you change your mind. The new supplier handles all the admin — there is no disruption to your gas or electricity supply during a switch.
Frequently Asked Questions
Is the £1,663 cap confirmed?
Yes. Ofgem confirmed the Q3 2026 (July–September) price cap of £1,663/yr for a typical dual-fuel household paying by direct debit. It has been in effect since 1 July 2026 and replaced the £1,641 cap that ran from April to June 2026.
Why do some websites still quote £1,862?
£1,663 and £1,862 are the same Q3 2026 cap measured on two different consumption baskets: £1,663 uses Ofgem’s updated typical-consumption values, while £1,862 is the same cap on the older usage metrics. They are not rival figures — for a like-for-like comparison with fixed deals, use £1,663.
Does the price cap affect fixed deals?
No. If you are on a fixed tariff your unit rates are locked until the term ends. Only Standard Variable (default) tariffs move with the cap. Around 40% of UK households — roughly 22 million accounts — are on fixed deals and were unaffected by the July change.
Should I fix now or wait for the October cap?
Ofgem has confirmed the 1 October 2026 cap at £1,723/yr (updated consumption basis). With prices not expected to fall back this year, fixing below the current £1,663 cap locks in today’s rate. Compare live deals for your postcode before deciding.
How much can I save by switching to a fixed tariff?
The cheapest 12-month fixed deals on our live panel are typically priced below the £1,663 cap, several with no exit fees — run your postcode through the comparison on this page for today’s exact prices.
What is the Switch Guarantee and how long does switching take?
The Energy Switch Guarantee is a voluntary scheme signed by most major suppliers. It commits them to completing domestic energy switches within five working days. You also have a 14-day cooling-off period, and your supply is never interrupted.
I have an EV — is a fixed tariff right for me?
Possibly, but EV drivers should also consider time-of-use tariffs such as Octopus Go or similar overnight cheap-rate products, which can dramatically reduce the cost of overnight home charging. If you charge every night, a specialist EV tariff may save more than a standard 12-month fixed deal. Compare both options using the tool above. If you do not yet have a home charger, see the EV installer form below.
What happens if I am already on a fixed tariff?
If your fixed term ends before October 2026, it is worth reviewing your options now. When a fixed deal expires, most suppliers roll you onto the SVT automatically — so you would face the cap at whatever level applies at that point. Setting a reminder to switch at least 49 days before your fix ends gives you time to shop around without a gap.
Are there any exit fees if I fix now and want to leave early?
It depends on the deal. Some suppliers offer fixed products with no exit fees, while others may charge £25–£50 per fuel for early termination. Always read the tariff terms before signing. Exit fees are normally waived in the 49 days before a tariff ends to allow you to switch freely.
What about suppliers that have gone bust — is my money safe?
Ofgem has a supplier of last resort (SoLR) scheme. If your supplier enters administration, you are automatically transferred to a new supplier with your credit balance protected. Choose established suppliers — Octopus Energy, E.ON Next, EDF, OVO, British Gas, Utility Warehouse, and Good Energy are all considered reputable options in August 2026.
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