📈What's Changing on 1 July 2026?
Ofgem has confirmed that the energy price cap rises 13% for the period 1 July to 30 September 2026. For a typical dual-fuel household paying by direct debit, that means an annual bill of £1,862 — up £221 from the April 2026 cap of £1,641, or roughly £18 more per month.
Here's how the headline numbers compare quarter on quarter:
All figures are averages for Direct Debit customers — exact rates vary slightly by region. Notice where the pain is concentrated: gas. The gas unit rate jumps from around 6p to 7.33p/kWh, while the electricity unit rate stays broadly flat at 26.11p/kWh. Standing charges — the daily fee you pay regardless of usage — also count towards the cap.
🌍Why Are Energy Bills Going Up in July 2026?
The short answer: wholesale gas prices. Ofgem recalculates the cap every quarter based mostly on what suppliers pay for energy on wholesale markets, and those costs have climbed sharply — driven by the ongoing conflict in the Middle East, which has pushed up the price of the gas the UK imports.
That's why the rise isn't spread evenly across your bill. Within the new cap, gas costs are rising around 24%, while electricity bills rise only around 5%. The UK still burns gas to generate a chunk of its electricity, so dearer gas drags electricity up too — but the growing share of renewables in the mix cushions the electricity side considerably.
It's a sharp reversal from the spring, when the April 2026 cap fell to £1,641 on the back of softer wholesale costs and levy cuts. Energy markets move fast in both directions — which is exactly why how you buy your energy matters as much as who you buy it from.
🏠What It Means for a Typical Household
For a typical household on a standard variable tariff, the rise works out at around £18 a month, or £221 over a year. Falling in July, the increase lands during the lowest-usage months — but the new rates run until at least 30 September, and whatever Ofgem sets next will shape your winter bills.
One crucial point that headlines often blur: the price cap is not a cap on your total bill. It limits the unit rates and standing charges suppliers can charge — the £1,862 figure just illustrates what a household with typical usage would pay. Use more energy and you'll pay more; use less and you'll pay less. That's also the silver lining: cutting usage, or shifting it to cheaper times on a smart tariff, directly cuts your bill.
And if you're on a fixed deal, breathe easy — the rise doesn't apply to you at all (more on that next).
🤔Should You Fix Your Energy Tariff?
Around 40% of accounts — some 22 million — are already on fixed tariffs and are completely unaffected by the July rise. Their unit rates were locked when they signed up, which is exactly what fixing is for.
Should everyone else rush to fix? It's genuinely a judgement call, so here's the honest version:
- Fixing makes sense if you value certainty — you lock today's rates and the October cap announcement can't touch you
- The catch: fixed deals priced after a cap rise bake in the higher wholesale costs, and if markets ease, you could be stuck above the going rate (check exit fees before you sign)
- Smart tariffs are the third option — Octopus tariffs like Tracker and Agile follow wholesale prices, so you pay more when markets rise but benefit immediately when they fall, with built-in caps for protection
- No-lock-in flexibility — Octopus charges no exit fees on variable tariffs, so you can sit on Flexible Octopus now and move to a fix or a smart tariff later
There's no universally right answer — it depends on your appetite for risk and whether your household can shift usage. What is clear is that doing nothing on a default tariff with an average supplier is the most expensive option of all.
⚡How Octopus Customers Can Beat the Rise
The cap sets a ceiling on default tariffs — it says nothing about how low your rates can go. Octopus's smart tariffs are designed to undercut cap-level pricing for households that can use them well:
Your unit rate moves with the wholesale market each day — so when prices ease, you benefit immediately instead of waiting for the next quarterly cap. Built-in caps of 100p/kWh electricity and 30p/kWh gas protect you from extreme spikes.
Prices change every 30 minutes and drop well below cap level overnight and when renewable generation is high. Shift the dishwasher, washing machine, and charging into cheap slots and your effective rate tumbles — plunge pricing events can even pay you to use power.
If you drive an EV, this is the cap-beater: overnight charging at around 7p/kWh — a fraction of the 26.11p/kWh cap rate — with smart scheduling that handles it all automatically.
Discounted scheduling windows sized to heat pump running patterns, typically saving around £219/year versus a gas boiler — and with gas costs rising ~24% in July, the case for electrified heating just got stronger.
⏰Act Before 1 July
You can't stop the cap rising, but you can decide what it rises on. Switching to Octopus takes about 5 minutes online, completes in a few working days, and the £50 referral credit offsets more than two months of the July increase on its own.
- £50 free credit — applied to your account when you switch via our referral link
- No exit fees on variable tariffs — switch now, change tariff or leave any time
- Submit a meter reading around 30 June — so your pre-July usage is billed at the old, cheaper rates
- 100% renewable electricity and service rated 4.8/5 on Trustpilot from 779,000+ reviews
Want to squeeze out more? Our saving money guide covers stacking the credit with smart tariffs and Octoplus rewards. On a prepayment meter? The July rise affects prepay rates too — our prepayment meters guide explains your options, including moving to smart prepay or credit billing.
✅Verdict — Don't Just Absorb the 13%
Verdict: The rise is real, but it's mostly a tax on doing nothing.
From 1 July 2026, the typical bill climbs 13% to £1,862/year — driven by wholesale gas, with gas costs up around 24%. But the cap only limits unit rates, not what you actually pay. Fixed-tariff households (around 40% of accounts) dodge it entirely, smart-tariff households can shift usage below cap-level pricing, and switchers pocket £50 credit before the new rates even land. The most expensive move is staying put on a default tariff and absorbing the full increase.
Octopus Energy supplies 7.3 million UK households, has been Which? Recommended for 9 consecutive years, and holds a 4.8/5 Trustpilot rating from 779,000+ reviews. Compare every Octopus tariff to find your best defence against the July rise.