Tariffs news in 2026
35 stories, newest first.
- September 2026
Firmus Energy Ten Towns tariff to increase by 9%
The Utility Regulator has confirmed a 9% rise in firmus energy's regulated gas tariff in the Ten Towns network, announced on 4 September 2026 after a review of the supplier's costs.
EDF updates tariff terms and conditions
EDF published its latest update to its residential tariff terms and conditions on 1 September 2026, covering cancellation rights, payment rules, smart meter data and the circumstances in which supply can be transferred to another supplier.
- August 2026
SSE Airtricity gas tariffs to rise 19.2% from 1 October 2026
SSE Airtricity will raise its regulated gas tariff by 19.2% from 1 October 2026, affecting around 204,000 domestic gas customers across the Greater Belfast and West network areas.
Uswitch warns of difficult winter as Ofgem announces October price cap level
Uswitch has warned of another difficult winter after Ofgem announced its October price cap level, saying gas costs for price cap customers will be almost 27% higher than the same period last year.
Ofgem observation window for October 2026 price cap closes
Ofgem's observation window for the October 2026 price cap closed on 19 August, with the cap to be announced by 26 August and suppliers predicting a rise of about 3.7%.
Energy Saving Trust publishes research on heat pump, battery, solar and tariff combinations
Energy Saving Trust research across 546 homes and around 1.1 million technology and tariff combinations finds tariff choice decides whether a heat pump saves money, with integrated electric homes cutting bills by around £800 a year.
- July 2026
Energy Saving Trust publishes Flexible Futures report on smart tariffs and low carbon home technologies
Energy Saving Trust modelling of more than a million scenarios finds households can cut annual energy bills by up to £800 by pairing heat pumps, solar panels and battery storage with a smart tariff.
Uswitch 10 Hours Electricity incentive scheduled to close
Uswitch's 10 Hours Electricity incentive, which credits up to £10 to customers who connect a smart meter, is scheduled to close on 8 July 2026 unless the company extends it.
SSE Airtricity electricity tariffs to rise 6.2% from 1 August 2026
SSE Airtricity, Northern Ireland's second largest electricity supplier, will raise its electricity tariffs by 6.2% from 1 August 2026, adding around £76 a year to a typical bill.
100Green to offer choice of green gas levels
From July 2026, 100Green customers will be able to choose between a gas supply containing at least 10% green gas and one that is 100% green gas.
Ofgem July price cap rise is the biggest jump in years
Ofgem's July price cap rise is the biggest jump in years, Uswitch says, with 12 million households on standard variable tariffs facing higher bills unless they fix.
Ofgem re-publishes price cap levels for July to September 2026 under revised 2026 TDCV
Ofgem has re-published the July to September 2026 price cap levels using new lower typical consumption figures, with the cap for a typical direct debit household rising 13 per cent to £1,663.
RTS meters being phased out in stages
The Energy Saving Trust says the Radio Teleswitch Service is being phased out in stages and that households with an RTS meter should contact their energy supplier to arrange a replacement.
- June 2026
Power NI residential electricity prices rise 6.2%
Power NI has raised the unit price its residential customers in Northern Ireland pay for electricity by 6.2% from 1 July 2026, adding about £5 a month to an average bill.
Citizens Advice publishes Future of Prepayment discussion paper
Citizens Advice has published a discussion paper on the future of prepayment energy, covering self-disconnection, rising debt and whether current safeguards remain fit for purpose.
- May 2026
firmus energy raises Ten Towns gas tariffs by 15.65% from 1 July 2026
firmus energy has announced a 15.65% rise in regulated gas tariffs for domestic and small business customers in its Ten Towns network areas, effective from 1 July 2026.
Power NI residential tariff to rise 6.2% from 1 July 2026
Power NI, Northern Ireland's largest electricity supplier, will raise its residential credit meter tariff by 6.2% from 1 July 2026, the Consumer Council has announced.
Latest UK energy price cap increase announced
The latest UK energy price cap increase has been announced, with the Stove Industry Association saying households will again be thinking carefully about how they heat their homes this winter.
Partial settlement terms changed for new Sunsave Plus contracts
Sunsave has changed the partial settlement terms on Sunsave Plus solar subscription contracts signed from 15th May 2026, with earlier contracts keeping different arrangements.
Ofgem to announce July price cap level towards end of May
Ofgem will announce the July to September 2026 price cap level towards the end of May, with forecasts pointing to a rise driven by wholesale gas costs after the Iran conflict.
- April 2026
Connections Charging Statement effective from 1 April 2026
Cadent Gas has published a Connections Charging Statement effective from 1 April 2026, alongside standard pricing for domestic gas connection alterations in its East Midlands network.
Ofgem launches one-year lower standing charge tariff pilot
Ofgem has begun a one-year pilot under which four large suppliers offer eligible households lower standing charge tariffs, testing whether cutting the daily fixed fee changes how customers use energy.
Revised Flexi variable charges apply from 1 April 2026
ScottishPower has published revised variable cost values for its 2026 Flexi product, effective 1 April 2026, showing changes to unit rates and standing charges across network regions.
- March 2026
FAQ page on switching, tariffs and bills updated
Smart Energy GB has updated its consumer FAQ page on switching supplier, tariffs and bills, restating that smart meter owners can switch in the same way as anyone with a traditional meter.
Click Energy and Share Energy electricity tariffs to rise from 1 April 2026
Click Energy will raise its electricity tariff by 9.5% and Share Energy by 26.4% from 1 April 2026, the Consumer Council has announced.
Fixed tariff availability fell from 39 to 20 during March
The number of fixed energy tariffs on the UK market fell from 39 to 20 between late February and 20 March as wholesale gas costs rose, with the cheapest deal up from £1,509 to £1,862 a year.
Number of new fixed tariffs fell
Ofgem reported that the number of new fixed tariffs on the market fell in March 2026, as suppliers withdrew some fixed deals and raised prices on others after wholesale gas prices doubled.
- February 2026
Cabinet Secretary met Ofgem officials on the next price cap
The Welsh Government's Cabinet Secretary for Social Justice met Ofgem officials the day before confirming the next energy price cap, which falls by £117 to £1,641 from 1 April 2026.
Lower standing charge tariff pilot to start in spring 2026
Ofgem has confirmed a pilot of lower standing charge tariffs will begin in spring 2026, offered first to eligible customers of EDF, E.ON, Octopus and British Gas, alongside a 7% cut in the price cap.
Ofgem announces 7% fall in energy price cap from April 2026
Ofgem has confirmed the energy price cap will fall by 7%, or £117, to £1,641 a year for a typical Direct Debit dual fuel household from 1 April to 30 June 2026.
The Great Energy Savings Switch collective switch ends
Uswitch's Great Energy Savings Switch, a collective switch open to eligible customers from mid-January, closed to new registrations on 16 February 2026, with winning tariffs yet to be announced.
- January 2026
Citizens Advice responds to DESNZ's Tariff Interoperability consultation
Citizens Advice has backed government plans to standardise electricity tariff data so households can compare deals and switch more easily, while warning that small business suppliers may be left out.
2026 Flexi variable charges take effect from 1 January 2026
ScottishPower has published the variable cost breakdown for its 2026 Flexi product, showing the charges that apply from 1 January 2026 and the revised values due from 1 April 2026.
Energy prices rose on New Year's Day for standard tariff households
Energy prices rose on New Year's Day for millions of households on standard tariffs, according to Uswitch, which puts the average annual cost of common energy habits at £625.
Next price cap change due on 1 January 2026
The energy price cap rose 2% on 1 October 2025 to £1,755 a year for a typical household, and changes again on 1 January 2026, with the next level due by 25 November.