EnergyPlus · June 2026
Cheapest gas and electricity deal UK: summer 2026 (June update)
Heading into summer 2026, the Ofgem cap rises 13% to £1,862 a year for a typical dual-fuel home from 1 July. The cheapest dual-fuel fixes already undercut that — around £1,536 a year for typical use, roughly £326 below the new cap. This page explains where the savings actually sit in June 2026, who benefits most, and the pitfalls to avoid when picking a summer tariff.
Editorial information, not financial advice. Prices and policy can change — always confirm against the supplier and Ofgem.
Cheapest UK dual-fuel deals for summer 2026
On a typical 2,700 kWh electricity / 11,500 kWh gas dual-fuel direct-debit profile, the new Ofgem cap is £1,862/yr from 1 July 2026. The cheapest 12-month fixes in June 2026 are around £1,536/yr — roughly £326 below the new cap, or 2–6% cheaper on typical use. No-exit-fee fixes and tracker tariffs are also widely available, and for low-usage homes a low-standing-charge tariff can beat a lower unit-rate fix.
Quick checklist (June 2026):
- From 1 July the cap is £1,862/yr (typical use) — up 13% on the April–June level.
- Best 12-month fixes are around £1,536/yr (~£326 below the July cap).
- No-exit-fee fixes available from most major suppliers in June 2026.
- Tracker tariffs follow wholesale daily — often cheaper than the cap, but variable.
- Low-standing-charge tariffs help homes using <2,000 kWh of electricity.
- Last updated
- June 2026
- Reviewed by
- Energy Specialist
- Audience
- UK households
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What we’ll do with your details: request and present supplier quotes, and contact you about your comparison. You can ask us to stop at any time.
What changes your quote most
Annual kWh
Drives the unit-rate portion of your bill.
Meter type
Single-rate, Economy 7/10, smart, half-hourly all price differently.
Postcode & region
Standing charges and tariff availability vary by network region.
Term & start date
Fixes of 12/18/24/36 months trade certainty for flexibility.
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Tip: Your MPAN (and MPRN for gas) helps suppliers price more accurately. Both are on a recent bill.
Cheapest UK gas & electricity deal for summer 2026
A clear, current overview to help you choose with confidence ahead of the 1 July cap rise.
Where the cap sits this summer
The April–June 2026 cap of £1,641 applies until 30 June; from 1 July the July–September cap is £1,862 for typical use. Ofgem announces the next (October–December) cap in late August 2026 — only forecasts exist for it today.
Fix or stay on the cap?
A 12-month fix around £1,536/yr locks in summer savings of roughly £326 against the July cap, removing the 13% jump entirely. The cheapest tracker can beat fixes on calm wholesale days but drifts higher in winter.
Standing charge matters in summer
Gas standing charges still apply through summer when usage drops sharply. Low-usage households often benefit from suppliers with lower standing charges even if the unit rate is fractionally higher.
Smart meter & off-peak tariffs
If you have a SMETS2 smart meter, off-peak EV-style tariffs continue to deliver the cheapest overnight unit rates of any product on the market — often 5–10p/kWh.
Compare like-for-like
Indicative dual-fuel comparison for June 2026, measured against the £1,862 cap that applies from 1 July. Use the form to get personalised quotes for your postcode, meter and direct debit profile.
| What to compare | Typical range (June 2026) | Notes |
|---|---|---|
| July–September 2026 Ofgem cap (typical) | ~£1,862/yr from 1 July | Up 13% on the £1,641 April–June cap; set quarterly. |
| Cheapest 12-month fix (June 2026) | ~£1,536/yr (~£326 below July cap) | Exit fees typically £50–£75/fuel; check before signing. |
| No-exit-fee fix | At or just under July cap | Useful if you may move home or want flexibility. |
| Tracker tariff | Below cap most days in June 2026 | Variable; can spike with wholesale prices. |
| Low-standing-charge tariff | Saves £40–£90/yr for low users | Most useful below 2,000 kWh electricity/year. |
How to find the cheapest UK summer 2026 energy deal
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1. Gather your annual kWh
Pull electricity and gas kWh from your last bill or your supplier’s app.
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2. Confirm your meter type
Single-rate, Economy 7/10, smart or prepayment — your meter limits the tariff options.
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3. Decide your priority
Lowest annual cost, certainty (fix), flexibility (no exit fee), or off-peak savings.
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4. Run a whole-of-market comparison before 1 July
Use the form on this page to surface every tariff suited to your postcode — locking a fix before the July cap rise protects you from the increase.
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5. Check the full price stack
Compare standing charge + unit rate + exit fee + term length, not just the headline.
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6. Apply and submit a meter read
Your new supplier handles the switch. An opening meter read keeps billing clean.
Common pitfalls to avoid
The most frequent issues we see when households act on what looks like a good deal.
- Switching to the lowest unit rate without checking the standing charge — annual cost is what matters.
- Waiting until after 1 July to act — the cap rises 13% and default-tariff bills jump while you delay.
- Forgetting to submit an opening meter read — back-billing disputes are common.
- Choosing a tracker without smart-meter telemetry — you can’t see what you’re paying.
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Frequently asked questions
How much is the Ofgem price cap for summer 2026?
From 1 July 2026 the cap is £1,862 a year for a typical dual-fuel direct-debit home — up 13% (£221) on the £1,641 April–June level, confirmed by Ofgem on 27 May 2026. Gas rates rise about 24% and electricity about 5%. It’s a limit on default tariffs, not a fixed bill, so a fix can beat it.
Is summer 2026 a good time to fix?
Yes for most homes — the cheapest fixes sit around £326 below the new £1,862 cap on typical use and lock that saving in for 12 months, removing the July increase. If the exit fee is reasonable (£50–£75 per fuel) and you don’t expect to move, a 12-month fix is usually the strongest option.
Will the Ofgem cap go down in October 2026?
The October–December cap is announced by Ofgem in late August 2026, so only forecasts exist today — nothing is confirmed. Check Ofgem.gov.uk nearer the time for the actual decision rather than relying on predictions.
Which supplier is cheapest for summer 2026?
There is no single cheapest supplier — it depends on your meter, postcode, usage profile and payment method. A whole-of-market comparison takes a minute via the form on this page.
Is a tracker tariff cheaper than the cap?
On most days in June 2026, yes — but trackers follow the day-ahead wholesale market, so the unit rate moves daily. Suits households who can monitor prices on a smart meter app.
Should I have a smart meter for summer 2026?
Yes, if you can. SMETS2 smart meters unlock the cheapest EV/off-peak tariffs and let you submit half-hourly data. Installation is free from your current supplier.
What about prepayment meters?
Prepayment customers benefit from the prepayment cap (typically very close to the direct-debit cap from July 2026). Fixed deals for prepay are limited but do exist — check via the form.
Are there no-exit-fee fixes worth taking?
Yes — several major suppliers offer £0 exit-fee 12-month fixes priced at or just under the cap. Useful if you may move home in the next year.
How long does switching take?
From application to fuel switch is typically 5 working days under the Faster Switching guarantee. You won’t lose supply at any point during the switch.
Trust, methodology and sources
Page governance
- Written by
- EnergyPlus Editorial Team
- Reviewed by
- Energy Specialist
- Last updated
- June 2026
How we keep this page current
We refresh this page each month against the latest Ofgem cap, supplier tariff changes and current scheme guidance. Worked numbers are illustrative; quotes you receive via the comparison form are personalised to your meter and postcode.
Editorial independence: our priority is clarity and like-for-like comparison. Where commercial relationships exist, options are still presented on suitability and the information available at the time.
Reputable UK sources we reference
If you spot anything that looks out of date (a rule change, a new scheme), please contact EnergyPlus so we can review and update this page.
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