UK household energy bills are predicted to surge by 4% starting in October, reaching their highest level since July 2023 under Ofgem's updated definition of a typical consumer. Cornwall Insight, an energy consultancy, projects the annual cap will hit £1,729, up from the current £1,663. This increase comes despite the new Prime Minister's decision to remove VAT from household electricity bills from October, as wholesale market swings have outweighed the potential savings.
This projected rise is primarily attributed to the ongoing uncertainty surrounding the US-Iran conflict, which has pushed wholesale prices for the upcoming winter to their highest point in nearly four years. The geopolitical situation is hindering European gas storage operators from refilling stocks, leading to historically low gas-in-store levels for this time of year. Additionally, a European heatwave is increasing gas demand for power generation to meet air conditioning needs, further compounded by Norwegian offshore production outages and strong Asian LNG cargo demand.
Dr. Craig Lowrey, Principal Consultant at Cornwall Insight, highlighted that while temporary measures like VAT cuts offer some relief, they do not address Britain's fundamental reliance on natural gas imports. He emphasized that the UK's energy bills remain vulnerable to international events. The increase is expected to hit households particularly hard as winter approaches and energy consumption rises. Energy UK has warned that customer debt in unpaid energy bills could reach £7 billion by year-end, with over three million customers already in arrears, owing an average of £1,800.
Ofgem's new definition of a typical consumer, introduced in July 2026, reflects slightly lower energy consumption. Under the previous definition, the annual cap would have risen to £1,941 from £1,862, representing about a 26% year-on-year increase. The government reiterated its commitment to tackling the cost of living, citing the VAT cut, the £150 warm home discount, and efforts to make homes cheaper to run. However, experts like Jess Ralston from the Energy and Climate Intelligence Unit (ECIU) argue that increasing North Sea gas production will not lower prices, advocating for long-term solutions through renewables to reduce gas dependency.
