UK Energy Price Cap October 2026 1723 and Switch Tips

Published September 12, 2026 — London, United Kingdom. Ofgem announced on August 26, 2026 that the UK energy price cap will rise 4% from £1,663 to £1,723 per year for typical direct-debit households for the period October 1 to December 31, 2026. The increase is driven by wholesale gas prices rising on Middle East conflict and extreme weather. Gas unit rate rises 8.7% to 7.97p/kWh. Separately, the UK government is removing VAT from domestic electricity (5% to 0%) from October 1, 2026 to March 31, 2027. 22 million households are protected by the cap.

Data last verified September 12, 2026 from Ofgem press release (August 26, 2026), UK Treasury VAT announcement (Spring Budget 2026), Energy UK industry response (July 2026), and EDF Energy customer communications.

Ofgem announced (Aug 26, 2026) the UK energy price cap rises 4% from £1,663 to £1,723 per year for typical direct-debit households for Oct 1–Dec 31, 2026. Gas unit rate +8.7% to 7.97p/kWh; standing charge 29.68p/day (+2.2%). VAT removed from domestic electricity Oct 1, 2026 – Mar 31, 2027 (5% to 0%). 22 million households protected. Switch to fixed tariff before Oct 1 — £100+ savings available per Ofgem. Direct-debit customers on SVT face the largest bill increases (Ofgem, August 26, 2026).

UK energy price cap by payment method and region

Source: Ofgem summary of changes to the energy price cap 1 October to 31 December 2026 (August 26, 2026).

These figures assume 'typical domestic consumption values' (TDCVs): 2,500 kWh electricity, 9,500 kWh gas, or 3,400 kWh for multi-register meters (e.g., Economy 7). Actual bills vary by household consumption. Under the old (2023) TDCVs, the equivalent figures would be £1,862 rising to £1,935 from October (Ofgem, 2026).

UK electricity and gas unit rates (October 2026)

Source: EDF Energy price cap detail (August 27, 2026); Ofgem unit rate tables.

The disproportionate increase in gas unit rate (+8.7%) reflects higher wholesale gas costs. Gas accounts for ~70% of a typical household energy bill despite lower kWh consumption, because the gas unit rate is higher per kWh and gas is used for heating (Ofgem, 2026).

What's driving the October 2026 increase

Ofgem's summary of changes details the cost breakdown:

Source: Ofgem summary of changes (August 26, 2026).

The wholesale cost increase is the dominant driver:

• Gas wholesale allowance +13%: reflects global gas market prices driven by Middle East conflict and reduced Russian gas flows to Europe.
• Electricity wholesale allowance +10%: reflects gas-fired generation pricing (gas sets the marginal price for electricity in the UK).
• Geopolitical risk premium: ongoing Middle East tensions add 5-15% to forward gas prices.
• Extreme weather: 2025-2026 summer heatwaves across Britain and Europe increased cooling demand and gas storage drawdowns.

VAT removal on UK domestic electricity (October 2026 - March 2027)

The UK government's 2026 Spring Budget included a temporary VAT removal on domestic electricity:

• Period: October 1, 2026 to March 31, 2027 (6 months).
• Scope: All domestic electricity bills, including those under the price cap.
• VAT change: 5% to 0%.
• Gas bills: VAT remains at 5%.
• Benefit: approximately £32/year savings on electricity bills for a typical household using 2,500 kWh/year.

The VAT removal partially offsets the cap increase. Net effect for a typical direct-debit household: £60 cap increase - £32 VAT savings = £28 net increase (£2.33/month) (UK Treasury; Ofgem, 2026).

How to switch UK energy supplier

Switching is fast, free, and typically saves £100-£200/year for SVT customers:

1. Get your current usage: check your last 12 months of bills or request a usage statement from your current supplier.
2. Use a comparison site: MoneySupermarket, Compare the Market, uSwitch, or Citizens Advice Price Comparison tool.
3. Compare fixed tariffs: 12-month fixed rates are typically 4-8% below SVT (Ofgem data).
4. Consider exit fees: check if your current fixed tariff has exit fees (most modern fixes have no exit fees).
5. Switch via your new supplier: the new supplier handles the entire switch; takes 17-21 days.
6. Auto-switching services: services like Look After My Bills or Switchcraft automatically switch you when a better deal is available.

Special considerations:

• Prepayment meter customers: PPM rates are higher than direct-debit; switching to direct-debit saves more.
• Economy 7 customers: ensure the comparison site handles your time-of-use tariff correctly.
• Smart meter customers: may qualify for cheaper off-peak rates (varies by supplier).
• Vulnerable customers: the Warm Home Discount (£150-£300 rebate) and Cold Weather Payment (£25/week during cold periods) apply regardless of supplier.

Fixed tariff offers (sample rates as of September 2026)

Source: MoneySupermarket comparison data (September 2026).

Rates vary by region, payment method, and consumption profile. The table shows typical ranges - actual offers may differ.

UK energy market context

The UK energy price cap is a regulatory tool introduced by Ofgem in January 2019. Key facts:

• Protects 22 million households on default tariffs (Standard Variable Tariff).
• Reviewed quarterly (February, May, August, November).
• Based on typical domestic consumption values (TDCVs): 2,500 kWh electricity, 9,500 kWh gas.
• Updated TDCVs July 2026: reflecting 7% less electricity and 17% less gas consumption due to energy efficiency improvements, warmer weather, and higher prices.
• Wholesale allowance = 47% of cap: the largest single cost component.

Customers on fixed-rate tariffs are protected from quarterly cap changes for the duration of their fix. The cap does not apply to commercial energy customers (Ofgem, August 26, 2026).

What to expect through 2027

Source: Energy UK forecasts (2026); Ofgem commentary.

Annual average energy bill for a typical household could reach £1,750-£1,850 in 2027 if forecasts hold - the highest sustained level since the 2022 energy crisis peak.

FAQ

Does the UK energy price cap affect all UK households?
The cap applies to standard variable tariff (SVT) customers in England, Scotland, and Wales - approximately 22 million households. Customers on fixed-rate tariffs are protected for the duration of their fix. Northern Ireland has separate Northern Ireland energy price cap arrangements. Commercial and industrial customers are not covered by the cap - they negotiate rates directly with suppliers (Ofgem, 2026).

Can energy suppliers charge more than the cap?
No. The Ofgem cap is the maximum amount suppliers can charge per unit rate (p/kWh) and per standing charge (p/day) for SVT customers. Suppliers cannot exceed these rates. If a supplier charges more, customers can complain to Ofgem and the supplier can face enforcement action. Fixed tariff suppliers may offer rates below the cap but cannot exceed it for the SVT portion of their business (Ofgem, 2026).

Will the UK government do more to help with energy bills?
The VAT removal (Oct 2026 - Mar 2027) is the current support measure. The government could extend it in the March 2027 Budget if energy prices remain high. Additional measures under consideration: Energy Price Guarantee (capping bills at a fixed level per household, similar to the 2022-2023 Energy Price Guarantee), additional Warm Home Discount expansion, or targeted support for vulnerable customers. The Chancellor has stated the government will 'respond proportionately' to the energy situation (UK Treasury, 2026).